My 1998 S10 has 347,000 miles on it. Any time it makes a weird noise or acts strange, I figure out what the issue is and fix it immediately. I love this truck.
I'm at 257,200 now. All Original. TBI as well, awesome engine. I would like a carburetor instead. But, I got what I paid for. A Super Sport if I might add. 1 of 5,700.
@@briantruck2284 Thanks man! I do my best keep it going. When I first got it at 198,516 Miles in 2016, it would barely climb hills at 35 mph. After all tune ups, it's a cherry. Not mentioning the radiator exploding or the fuel pump relay pooping in traffic or the windshield wipers working when they want or the wonkey cammed v8 sounding starts in the morning. It's pretty reliable.😐
These engines were really tough. I bought a brand new full size GMC truck in 1991 with the 4.3 and drove it until 2005. It had 245k miles on it and was still running fine. A bit under-powered but so what, it did everything I needed it to do. Over 245k miles, I replaced the water pump once, the radiator tank once, the distributor once, and the fuel pump relay once, and one clutch (it was a 5-speed manual). The engine itself never had any issues whatsoever. Then in 2005, I sold it and bought a brand new 2005 Chevy truck, again with the 4.3 and a 5-speed manual. I still have it, and it has 234k miles on it. On this truck, I've replaced the idler pulley once, the clutch once, and the instrument cluster motors once. And that is all. Everything else is still working, including the A/C. Again, the engine itself has never had any issues. To this date, this '05 truck has been the most reliable vehicle I have ever owned.
I have a 2003 chevy blazer xtreme 4.3L 130k miles on it and I have only been able to put 3000 miles on it in 2 years. I've had nothing but problems after problems with this wiring on it, the fuel pump, the ignition system in whole, electrical short somewhere, I can not plug in the mass air flow sensor because it will not idle with it plugged in but will idle just fine u plugged (weird). If I had the funds I'd rip out the entire wiring harness and replace it all. I love the look of the xtreme and will not sell it, I will wait till I can replace everything maybe with a ls3 or something.
@@Bu2Spike i swapped a s10 extreme with a ls motor. Was completely not worth it. Every time I really put my foot on the throttle something broke. I went through 2 engines,3 transmissions,had the drive shaft repaired 2 times all in a year. After that I just gave up and bought another s10 with the 4.3.
@@Bu2SpikeGoing through the same thing with my gmc typhoon. When it runs it runs great but I think my issue is that all the wires need to be replaced. 30 year old wiring finally showing its age. Looking to get fuel tech or holley. I also have an 87 grandnational and had to put 20k in it to get it up to modern standards. I cringe when dodge tries to sell people on their cars being collector's items. The reason classic cars from the 50s to the 80s are great because they are 95% mechanical and analog. As I am experiencing with the grandnational and typhoon that have bare minimum electronics it can be a nightmare in the making. Imagine 20 years down the road you own a hellcat and all the electronics go haywire.
John Casebere I’d say it’s the best engine Chevy has made but in my opinion the older Nissan vg series and vq series engine are pretty dang bulletproof.
Thatdude_ Eric they can be respectable but in my opinion the 3800 series just can’t touch the beefy torquey power, and undeniable reliability the 4.3 has.
@@JLGARAGE252 yes, the 4.3 is more reliable and durable over the 3.8 engine. The 4.3 is maybe the best all around “first generation small block technology” engines produced. I’ve owned probably at least 10 different vehicles with the 4.3 and each and every single one of them was a fantastic engine. A couple of them had over 300,000 miles whenI sold them, one of which I sold to a buddy that’s still running one of the W/T 1500 pickups and last I talked to him it was around 350,000 on the odometer. Impressive!
Love this engine. Mine is in a 2003 GMC Safari cargo and runs like a top. Oil changes and regular maintenance and replacing wear parts as needed, it will go forever.
I still have my 95 C1500 Cheyenne 4.3L V6 I drove in high school 21 years ago. Has 177K miles, still going strong. Currently getting parts together for TBI rebuild, Idler pulley, belt tensioner, valve cover gaskets to get it caught up after sitting for awhile. Love driving it
Thanks for the Vid! Got a 2000 GMC Jimmy 4x4 2 door with 202,000k on it for $800 no less. put a $1000 into it to fix all of the annoying typical broken things and made some mods to its front bumper, and in great shape. Nicely looked after engine too. I'm going to do a bunch of the minor replacements on it over the next couple of months so I appreciate hearing what I should be doing to keep it running well besides the obvious lol. I am currently having a loss of power due to most likely what you were saying about the vac leak with that seal. Also, I love how much you could do with this particular engine that's pretty cool. Thanks again and Cheers bud!
I got a 1994 4.3 C1500 and I took it from souther California to Colorado Springs loaded and back with no issues. I had it for over 13 years and it’s still going.
I had a 98 S10 that had 370k miles on it and it ran great years ago. Unfortunately I crashed it. I just sold my 2013 ecoboost f150 yesterday and looking to get another S10 with the 4.3. Most reliable engine I ever had. The ecoboost had so many problems, timing chain included. I’ll never get another one.
I had a ‘97 ext cab step side S-10 with the Vortec 4.3. Best vehicle I have ever owned. Bought it in ‘98 with 17,000 miles on it. Sold it in 2004 with 320,000. The last time I saw that truck the guy said it had 360,000 miles on it. 2 heater cores, two water pumps, 5 clutch slave cylinders, 1 fuel pump and regular maintenance. It only left me sitting once and that was due to the crazy distributer cap cross firing. That truck was built on a Wednesday for sure. The company I work for gas 3 Express vans with the 4.3 and have not had an issue with the drive train except for 1 rear.
Used to be a Chevy Technician at Carlsbad California and I just want to add. When it comes to these S10/Blazers. When it comes to fuel related. Go aftermarket. Don't go with the OEM fuel pump for example. Everyone who has or had a s10/blazer will or at some point will being replacing the fuel pump. GM messed around with a lot of fuel pumps and TBI etc for EPA. When it comes to other parts, I recommend OEM but not when it comes to fuel pumps. I've seen aftermarket pumps out last the OEM in these vehicles and you save a lot more money on the aftermarket too. DON'T FORGET TO REPLACE THE FUEL PUMP RELAY!!! I can't stress that part enough. People forget the simplest things sometimes and think its the fuel pump.
I have a ‘99 Chevy Blazer 4*4 with the 4.3 engine. I just turned 150,000 recently. I’ve replaced a lot of parts but have to say that I really like this vehicle.
I've worked/owned so many of these. I own a '96 4x4 with the 5 speed, transfer case is manual too. paid $600 for it 3 years ago because it wouldn't shift into reverse or 5th. Dropped the trans, took it apart and replaced the shift fork. Put a set of 31" tires, raise the front with the torsion bars, put in 2" body lift. Installed a dvd player I had from last S10. Both bumpers were trashed so I made my own. Stuck a winch under the front by mounting a hitch receiver across the frame below where the crank pulley is, which places the rollers where the cable/hook ride flush with my bumper. I sanded off the peeled clearcoat and black top coat, then used a spay gun and applied 3 quarts of Rustoleum smoked gray, with about 40% paint thinner. The black molding strip going down each side I replaced with diamond plate aluminum strips cut from an old tool box and held on with rivets. LED headlights and backup light.
2001 Jimmy 4x4 2 door SLS. Engine is great, no probs 300 thousand miles. Had to do work with the tranny though but I've never had engine problems. I take care of things when they need to be taken care of and the engine is golden. Great vid. Sub'd.
My 98 chevy 1500 pick up truck with the 4.3l v6 has 345k miles on it. I bought it 16 years ago with 110k miles on it for $3k. Still starts right up every morning.
Man u on point, I subbed! I have a 4x4 S10 blazer, 03 LS model, 4.6.. only has 154k on it, daily driver.. EVERYTHING u have mentioned in the vid literally I have either replaced already, have had problems wit or have been suspicious of
We bought a 2007 GMC sierra from the auction it is a work truck model, 6 cylinder hand crank windows, one owner 138,987 miles on it, got it for a low price, I decided to keep it, I really love it, it seems like old school.
I have a 93 s10 blazer. With 130k miles on it. I LOVE IT. First “truck” and I love it! I beveled my throttle blade and boy. It’s reallly responsive!! Great vehicle. Only thing that sucks is the brakes
VERY VERY INFORMATIVE!! Have a 03 S10 w/488k on it. Replaced the fuel injector spider a few yrs ago and strangly enough it used to get 17-18mpg but since gets 25-26!!! This is BY FAR the simplest engine I've EVER worked on. Runs like a champ. The REAL trick is keeping up on the vacuum lines and the exhaust. If you feel a loss of power, those two things save TONS of time on acceleration and power issues. Even the smallest loss makes a HUGE difference with this engine. Have had customer after customer come in and wonder what was wrong after lots of guesses. With THIS engine - FOR CRYING OUTLOUD BUY A OBD2 SCANNER!!! We're in the 21st century!! You'd be SURPRISED what ANY person can fix with the right tools and some COMMON SENSE!🤣🤣🤣
I'm trading in a 2005 GMC Sierra 1500 Work Truck (4.3 V6 with T5) for a new 2021 (4.3 V6 auto). I bought it new, and the truck is approaching 310,000 miles and runs excellent. I replaced the distributor because the neoprene gear disintegrated at 175k miles. I've also replaced the starter, both front wheel bearings, and the alternator; and I elected to replace the timing chain and water pump. Been the best vehicle I've ever had. Hopefully the new truck will be even nearly as good.
343k on 04 silverado short bed 4.3 manual. Original water pump, ps pump, booster, master cylinder, radiator, dryer evaporator, throttle body and ac compressor. Have replaced clutch (luk)and fuel pump (delphi) once. What a truck!
I bought a 2002 S 10 4.3 standard cab in 2011 with 30,000 original miles on it my place of work is only 7 miles from my home is still only has 90,000 miles on it this truck has been great I have replaced water pump the radiator the fuel pump intake gasket And just the regular normal maintenance stuff.I wish they still made the Chevy S 10.
Got a ZR2 Sonoma with 168k that's been worked very hard but it's treated me great so far. Going to do my best to keep it on the road for as long as I can. They have a nice feel to them, very different from a modern truck engine
I have a 1997 GMC Jimmy. The original motor had 181,000 when it started to have a slight coolant leak on to of the intake at the rear passenger side. I replaced the engine with a new crate engine at 180,000 miles it started doing the same thing. This time I just add coolant every few months and call it good. That engine now has about 250,000. I did replace the starter a few times, the Altenator twice, the idler pully twice. The distributor once from summit racing. Cap and rotor at least a half dozen times. The coil once with an excel. Plug wires twice. I think that is it.
I’ve got one of these in a 1997 S-10. It’s a roller and balance shaft engine, very smooth with an excellent torque range. I’ve got 204K on mine with no serious problems. My advice is to keep up with the oil changes, use high quality oil, and don’t skip fuel filter changes. I change mine every 15K instead of the 30K recommended. Be sure to never run it out of gas because that’s quite hard on the fuel pump. It seems like it only takes one occurrence to potentially cause a problem.
Oh wow, I always do 5k oil changes in my van. Didn’t know the recommended is 30k? That seems a bit high, doesn’t matter a whole lot to me I’m gonna stick to the 5k oil changes because I’m turboing mine this winter
I’ve always changed the filter at every oil change. Why keep all that contaminated oil in the system that is sitting in the filter? They don’t cost much and you’re already doing the job.
I'm not sure if your 2002 has this problem, but my 1995 4.3 had the common problem with the remote oil filter hoses going bad. I fixed this problem with some compression fitting steel braided hoses.
this is really a fabulous motor. dependable, in my life experience i rate it with the Toyta 22R in reliability, repairs are easy, easy DIY, I've seen some in this forum almost 300K im at 186... on my 2nd set of spark plug wires, just today. this a fantastic engin.
All good info. Only thing I noticed is your hoses on the water pump are reversed, the bypass U shape hose goes to the lower barb, it’s crimped because it’s on that long high one that’s for the heater feed
I have an 04 Blazer ZR2. I built a 1995 non balance shaft 4.3, had splayed 4 bolt mains ARP main studs, Mahle forged pistons, and Eagle H beam rods installed. I had a set of vortec heads and 1992 Syclone intake modified with ARP head studs with Cosmetic MLS head gaskets installed. I was planning on running a turbo on it. Had to scrap the turbo idea because I would have to delete my A/C and modify the inner fender. So I will just buy headers and run it with individual fuel injectors and coils like the LS but in a 4.3 V6. I wanted to upload some pictures but youtube wouldn't let me.
@@TheMrJoBo I wanted to put pictures up but youtube wouldn't let me. Ithas the holley HP EFI ECU in it to run the engine. I put the 1995 Bravada AWD passenger side shaft housing and transfer case in it. With the S10 ZR2 cast iron front differential.
Great info. for my 4.3. This would have been the perfect video except for the rustling noise on my ear buds, and the shadows blocking where you were pointing. Anyway, I learned some things to check for. Thank you.
Awesome video I picked up a GMC SIERRA 1500 beater with a 4.3 V6 403000 miles and am going through her this video really helps understand how to keep them on the road 👍I've removed the vortec air box resonator installed a cap cover and installed a oil valve cover breather in place of the oil fill cap the next thing I'm doing is modifing the throttle blades and getting a better flowing and louder muffler any additional advice is appreciated looking for more bolt on mods for power and torque and better fuel mileage if possible
Good thing about the 4.3 is that there the civics of the gm world. Any local scrap yard will have 10 of these. Parts are cheap. My gramps has 300k miles on his old 01 s10.
@@suzieq8379 keep your oil changed and you just barely breaking that engine in.. My 01 jimmy has 181k on it. Im looking to get many many miles out of it
230,000 miles got transmission rebuilt an level one upgrade in early November an hoping to get a long life out of my 95 blazer. If the motor goes I plan on having some money saved up to rebuild or maybe even upgrade the engine but I'll have to do more research if that worth the kind of investment to modify it at all.
@@randywells8974 how far do you drive? You confident in it goin on smll road trips? I got an 01 jimmy with 184.3k miles engine was rebuilt at 179 the top end
I've been driving this 93 chevy 1500 2 wd 6 cylinder manual transmission for 330 000 and still going. Nothing tougher. Pulled bass boat or travel trailer to the lake many times.
I've got a 2003 S-10 with the 4.3. I also have a 2010 Cobalt that's been very reliable, especially once I solved the issue with harness going to the tranny plug rubbing on the oil filter housing. The Cobalt isn't very rusty, but the S-10 is rusted to hell. I have a move coming soon and want to remediate the rust. Everyone keeps telling me to get rid of the S-10 and keep the Cobalt.. but I like to haul dirt bikes and things like that, which I obviously can't do with the Cobalt. Cobalt just hit 119k miles, S-10 is sitting at just over 130k. I'm leaning more towards keeping the S-10 and using some of the money selling the Cobalt to fix a couple things on the S10 and getting to work on the rust. I'm just glad I'm getting away from Nebraska where they throw salt down at the slightest chance of ice in the forecast
Thanks for the video. By far the best video about this engine. I know you probably get tired of people asking you questions, but I'm going to try anyways. I recently had to change out my passenger side head and gasket. Got it all back together and was throwing the dreaded p0304 code. Replaced all little stuff like plugs, wire,cap, rotor, coil. Nothing changed. Then adjusted the valves and got rid of the p0304 code but it was replaced by the camshaft sensor code. My question though is since the head replacement the top of the engine makes a tic/knock. . More than a tic but not quite a knock. Any idea? Any info would be appreciated. Thanks
Ima buy a 1995 s10 5 speed with this engine thank you for the info, I can’t wait to see how it compares to my 87 Jeep Cherokee it’s a 5 speed as well with the 4.0 sucker will move if you let it
What brand is the cold air intake? I have the same engine on my 99 1500 Silverado short bed and I loved but I'm looking to install a cold air intake! Thanks for your good review.
You forgot about DeX-cool eating intake manifold gaskets. Did mine twice in 3 years then switched to regular green coolant and has been fine for 9 years so far.
2000S10V6 engine coolants are formulated differently, green formulas are typically all aluminum engines, dex cool is formulated for cast engines, prolly not a good idea to be using green or blue in a orange formulated engine
There good trucks and engines but sometimes not reliable but if ur up on the tune ups and spark plugs and fuses and also clean Fuji filters, it’s a must to have everything new or in good condition to not have problems. I love my bagged 98 s10
I put a Standard Motor Fuel Injector in my 2003 GMC Sierra when the factory one failed, it has 186K on the 4.3L V6. I like the truck, I paid $15,600.00 for it in August of 2003, still runs very well. I consider myself fortunate not to have spent more over all these years for transportation. One thing I like over the 350s I have owned: This engine runs nice and cool.
I have a chevy s10 with 328,000 miles and I bought it brand new back in 1998 and put all the miles on it. its got a random misfire p0300.. which its not smoking any and when it misfires you can barely notice it.. I am hoping to get 400,000 miles out of it.. but which its got a rear main seal leak which it does not leak much just a little oil from time to time.. but no smoking or knocking. or running hot.. I am dealing with the misfire and hopeful will have it resolved soon.. my throttle body cover I think on the air flow cap. I think is causing the issue.. its been a great and hard working more and very strong..
Just bought a 2000 chevy blazer with the 4.3. 167000 sounds like a champ. Just gotta fix the throttle position sensor, and clean the throttle body and she should run mint
I had to replace the alternator due to the whining sound and it fixed it but thats good to know for future reference. I have a 2003 chevy blazer xtreme and i have definitely opted in to drop a lq9 into other than rebuilding the v6.
Med II the 4.3 in my opinion is a solid engine to build but a lq9 would be pretty sweet, sadly the engine bay size has downsized compared to the 1st and 2nd gen s10s
my 04 s10 has got the 4.3 in it and its at almost 170k miles and still runs like new but that's with some care you cant ignore the issues though it can be a bit pricey but luckly the cars with it are aging so for every one of these on the road there's 30 in a scrap yard :)
That’s true, Chevy as of I believe 2-3 years ago has officially dropped many of the parts from their factory catalog, rock auto and GMpartsdirect are the honey holes for these parts.
Noticed You had a fairly new alt on the truck I'm guessing a CS-130 85amp Hope you understand Tahoe And other larger trucks That have Powerseats And all the power options Have the AD-244 145amp Alt (100amps @idle) For around the same price of the other alt depending on where and who you buy from. I replaced mine And the bolts line right up No issues Other then You need to make sure its the same plug holes 2 vs 4? And a 1 inch larger belt Then your stock one ..I when over board And Replaced all the larger gauge wiring with Welding cable copper 1/0 gauge wire And hammered copper lugs with shielding And a smudge of electrostatic grease inside Added a rear alt bolt to the alt bracket And ground it off from there (Power has a quicker path And does not bounce around the alt trying to come in or out on a front mount) Another common issue People over look when it comes to fuel issues is the Fuel pressure regulator They don't hook up a fuel pressure tester And Or don't know what they are looking at when they do And start swaping out parts as a fix till they find the right part I bought my Blazer Very cheap because of this ... New Fuel pump, New Updated fuel injectors, Fuel filter, Spark plugs, wires, dis, Oil, Thorttle body cleaned, New vac hoses, Still ran ruff... $500 from $1,000 As i told him It could be a simple over looked part Or a major engine swap... Ran a test fuel press was bleeding Meaning a compression issue. Or loss of fuel before hand. Check each spark plug that was fairly new One was more dirty then the rest which told me ether it is not firing proper Or something else not right ...Had to remove the intake anyways ..And yup Pass side rear of the intake sparkling clean like new And the rest of the intake was black from normal carbon At the bottom of the FPR with a weeping hole and a single drop of fuel saying hello ! When the FPR mini screen is full of junk (finer then a fuel filter) back pressure happens And blows a seal The fuel still enters and passes But part of the mass pressure weeps out And enters the intake ($34) Had the Truck (2005 Blazer) 5 years now Nothing but normal wear and tear (rubber lines, tune up Oil etc) no engine codes They make great campers If you tear down the rear to metal and rebuild them Traveled coast to coast of Canada 2 people 2 dogs And slept inside fully layed out
my 97 Jimmy 4.3 L won't start after I changed the fuel pump I've checked everything , starting to run out of ideas , got 61 pound's up at the rail , fire on all the plugs and got air , aren't those the 3 things I need to get this thing goin , or is there more ...
@@JLGARAGE252 yes cranks and cranks but won't hit , swapped out the spider injector ,and whole distributor , and made sure I hadn't jumped time , still won't hit ....
i had a 06 chev pickup with the 4.3 drove it 15 yrs, 415 thousand on it, engine was still runing very good when i got rid of it couldnt ask fo a better moter
I have a 2003 GMC Jimmy 2 door 4WD with 270,000 miles. It has been very dependable with minimal problems. I did have to replace the spider injectors a few years ago and the air conditioner compressor. I do now have an issue with the idle remaining high after the engine is up to temperature. In fact I can be driving 40mph and take my foot off the accelerator and 3-4 miles later it is still going 40mph. Sometimes it even pickup speed and when I get to a stop sign I have to use a lot of breaking to slow. If I pop the tranny into neutral the rpm’s will climb to 2000. Doesn’t appear to be a vacuum leak. Any thoughts?
You saved me greatly! I mean I thought I had bad power steering whine and it was just an idler pulley! Also I am concerned at after I let my engine sit over a few days it cranks 15 seconds before it starts. Idk what that could be
That would be the next thing to look at, over time GM fuel pumps lose the ability to build initial start pressure, usually will drop a couple PSI of the years.
I definitely love my 2002 Silverado with the 4.3. It's at about 180k. I've replaced the alternator and the a/c compressor. Regular maintenance is the key, along with driving it gently. The transmission's great. My only regret is that I didn't learn about changing transmission fluid earlier in its life.
Keep it up and you’ll be driving that truck for a long time. My 96 Sierra with the 4.3 and 5 speed just rolled over 312,000 miles on original drive train. I daily it, runs like a top and id drive it across the country right now.
@@elitewarior210 I disconnected the upper transmission line at the radiator, and I ran an extension hose from the line to an oil catch pan. Then I had someone start the truck to cause the fluid to pump out. At the same time I added new fluid through the transmission dip stick tube. I did that until the outgoing fluid was mostly clear red. Then I just added fluid until it showed full on the stick. There are good videos out there on doing it on that truck. There are also good videos arguing to NOT do a full fluid change if the truck is over about 60k and never had a fluid change, because the transmission may be now relying on the grit in the fluid for the clutch plates to grab. Good luck! It was pretty easy once I bought the tubes and set everything up.
I have a 94 S10 with 172,000 on it I bought new in 94. I like this truck, it's my daily driver but I don't put many miles on it. I replaced a lot of things like the water pump, motor mounts, alternator, ac compressor and components, blower motor, blower motor resistor, blower switch, radiator, TBI gasket, drivers side exhaust manifold, of course exhaust, shocks, hoses, brakes and things like that and i'm sure i'm forgetting a half dozen other things. I'm wondering how much longer the fuel pump will last.
I have a 1999 4.3 vortex , my question is can I run a clockwise water pump? The reason is I have a set of v-belt pulleys I bought about four years ago and never used. I’m hoping I can change the pump so I can use them. Thank you for your help.
I am so glad i found this video. I have had my 03 sonoma zr3 with the 4.3 for 7 years now and almost each thing you said was an issue I have delt with. Your fan shroud looks like it may have had the same issue as mine did.. bad motor mount allowed engine to move too much and the fan caught the shroud and blew pieces of plastic right through the rad... that happened 2 times and 3 shops never diagnosed the bad motor mount..
Well I’m glad this video was spot on for ya I’ve owned 2 ZR2s now and their fairly well built trucks but like everything else they have their own problems
@@JLGARAGE252 I definitely love my truck. One question for you... ive got a coolant leak that i can see pooling right under the ac compressor on top of the power steering pump. Would that be an intake gasket issue or something else.
Great info. My 2005 Jimmy has 177,000 miles. Owned since new and maintained. Have an issue when climbing a steep hill at high speed cel flashes. No misfire is felt and once I get on flat road it stops flashing. I checked the codes and I get a pending P0304. Did a tune up, complete new Declo distributor. No change. New delco fuel pump and filter made no difference. It has the new MPFI spider and made no difference. Compression is good on all cylinders. I ran across a service bulletin stating that valve guide clearance is an issue in some of these engines and engine will misfire under load such as climbing a steep hill or towing. Just wondering if you heard of this? It is so strange I don’t feel any misfire and no loss of power either. Btw the ckp has been replaced and a ckp relearn has been also done.
Of the two I owned, both high mileage only changed the distributor and never had any problems might I suggest injector cleaner maybe one has gunk in it and gives a bad spray under load
All these comments are so positive about this engine! Which is reassuring in my case, because I bought a blazer with the same motor about 2 months ago, all was good until I all of the sudden started having massive amounts of lost power. Can barely accelerate up to 60 unless I have about 1000 yards or more at times. I’m thinking distributor. Starts and idles perfectly fine, but anything over a certain rpm or about 30 mph is just so hard to get to and lugs down with no power. Any ideas?
My 1999 new body style GMC Sierra 4.3 had poor acceleration, sputtering and lack of power. Turns out it was the MAF sensor was extremely dirty. I just replaced it with an AC Delco and my problems were over.
Seems like a real no nonsense video to me. Good work. Anyone complaining about the mic, the intro or whatever can ____off. Any real car guy doesn't give a flyin flip about video production! The educational value far exceeds what people are whining about.
UberLummox can’t tell if your being sarcastic but heck I’ll take it, and yes I love the 4.3 Powertrain in the s-series trucks so I wanna put videos out there that everyone has access to in which they can benefit from.
@@JLGARAGE252 NO! No sir. Not being sarcastic at all. Funny 'cause people tell me that all the time! : ) I'm a musician and have a great ear and didn't really notice the mic thing because I'm also a mechanic (body shop owner) so my mind focused on what was important to me pertaining to THIS video, which was automotive, not some orchestra. : ) You also have a nice way of speaking and you went right from it's historical inception as part of a 350 (which your vid came up 1st. when typing that question in which I was looking for!) then right through the basics of the engine from a "keepin' it going" standpoint. Very valuable! I had a sweet little '84 or '85 carbed S-10 4X4 std. w/a plow for my shop, and even w/the puny 2.8, it would move just about any amount of snow in front of it's blade. Always heard the early 4.3 was a powerhouse though. - Thanks again!
@@JLGARAGE252 Right on brutha! You're welcome. Yeah, I know it can be hard to really understand someone with just the typed word as the conversation. Keep on truckin'! : )
Any tips on stripped/cross threaded spark plug hole? Is this something easy to do yourself if not a professional? I don’t want to get metal shavings in the hole!
Video real helpful,But need to know where can i find fuel filter,I can not find could it be in the gas tank, I have a 4.3 chevy silverado single cab 2005
I don’t even have a gas cap my dizzy gets wet all the time only thing I ever replaced was the radiator I have had that motor up to 300 degrees and my 4.3 has no check engine lights and it’s barely even knocking
another thing if you heat speed 1,2,3, 4 , if the 4 doesn't work it was my relay next to the firewall, I have a coolant leak on the passenger side no oil mixed, just a slight leak I wonder if that could be a hose , water pump or what? Are the hubs supposed to be greased? That is what I have trouble with on drivers side
Wondering if crankcase vacuum is normal on these engine ? ..example : if the oil fill cap is removed , placing a hand over the fill hole will produce suction ...this seems odd Thanks for the tips 😇
In order to pass Illinois emissions test, had to replace distribruter. 2007 Silverado classic. I think it's one of the last 6 cylinder manual Chevrolet made so I am keeping it running clean. Seriously, I love this 8 foot bed truck. Can I afford a new one?, yes. But it's fun to be engaged, and drive.
mine is a 2000 chevy Silverado with a 4.3l v6 vortec it has had one owner and was used as work truck for quite some time. know I have and have had to replace the spark plugs spark plug wires and the disruptor cap, I've also had to replace the radiator and reservoir it only has 190k miles on it runs like a champ although I would like to figure out why cylinder is misfiring after replacing all the spark plugs I know it probably the injectors but their a pain to get out because their under the throttle body and whole bunch other shit real pain to get to put other than that I have had no problems I've abused the engine by slamming the gas to the floor at dead stops and still runs fine i am really happy with this engine and probably rebuild it and add performance parts and turbo it
