After 9 videos. It was your video to show me the vacuum line under the driver fender. Thank you. Just bought a 99 Blazer yesterday and 4x4 didnt work. NOW IT DOES
I have a beautiful 02' Blazer ZR2 4x4 in 2023. That actuator under the battery is almost always the culprit. Dorman just came out with a new Heavy Duty, much thicker rubber actuator that cost $70 at O'Reilly's.. However, if you have the old actuator from O'Reilly's. They'll swap it free of charge because it has a lifetime warranty. I don't have that nipple inside the driver's side wall or fender like on this one.
Douud you're a life saver I've been chasing this issue for the last 22 weeks. I also noticed and could hear the vacum line hanging on the driver side of my Jimmy Tought it was for the ABS or something like that from what I could find from diagram. Thank you so much for the video!!
They sell kits to switch the vacuum actuator to a locking cable that sell for over $100. I ordered a locking PTO cable from eBay for $12. and fabricated the end bracket from stuff I had in the garage. The other thing this gives you is the possibility to have 2wd low range as well.
Easy way to tell that is a vacuum problem is that your heater will not work correctly because your heater hose is connected to the same line and it also takes vacuum to actuate the HVAC flaps
My blazer has vacuum and will pull the vac pod in, but doesnt return in 2wd. however it doesnt even feel like it is in 4wd when the front diff cable is pulled
That is a very nice looking ZR2 Blazer black Fender Flares red paint. And yes there are a lot of ways the four-wheel-drive could act up it is kind of a ridiculous system all the vacuum lines on these trucks rot away eventually they turn to Ash they all do it. I've looked at many of these trucks in the salvage yards.
I’ve watched a lot of videos on this matter and came across your video by accident, went out immediately to my truck and sure as shit that vacuum line you pointed out was rotted. Replaced the line and everything works great. Thank you for the video a $3.00 fix.
Thx 4 the video my son has a 2001 Chevy Blazer LT 4x4 and had the same problem. The 4x4 doesn't work. There is a part that has two small 5/32" vacuum lines the top vacuum nipple is missing the vacuum line it had a rubber cap on it located in the middle top of engine (by firewall/windshield just so u get idea of where it is). Do you think you can make a video of that rubber hose line so I can see where that line goes to please zoom in on the.line so I can see where it gets attached to along the way to the actuator under the battery like you said. Thx a million if you can do this. 👏🚘👍👍
The transfer case switches is on top of the transfer case with 3 vacuum lines my switch failed and I had fluid throughout my entire vacuum system had to replace everything
You guys have to look a little harder on the side of the transfer case for the transfer case vaccum switch . It's a little hard to find and see but it's there on that model for sure. It's hidden behind the front drive shaft when your looking for it, and it takes a 7/8 wrench to remove it. I say this because it will fail sooner or later.
I know the 4 button is alittle diffrent from the 3 button ..however if your at the point in this video and still having issues you want to look at the cord (rusted from moving or the front diff where the cord is going into ...vacuum switch maybe stuck (rust) This area is famous for rust and water and seals failing and a diff burning out...check your diff fluid While your there ..I have my diff out and i'm putting new seals everything else is in good shape
It was having an issue where I couldn't get it to disengage the front wheels and it was staying in 4-wheel when I wanted it to be two so it was doing what I was supposed to do rather than what it wasn't supposed to at all
Sometimes your differntial seals are ok, but u still have leak.. which is your cv joint axle shaft tip is worn out. U need to check The diameter to see if that is the case or rather u will keep having leaks even after a brand new seals are on.
Hey brother nice ZR2 and great info upload. FYI you have a issue somewhere with starting it. Cap and rotor are toast more than likely. Ck air filter to. Im a Zr2 guy.
Hey Zr2 guy theres no lights on the little buttons for the 4wd ,you know when its in 2wd the 2wd light will be on ,well mine isnt and i havent even tried my 4wd out yet cause i just bought my ZR2 but i was wandering if that mattered or not?thanks ,CHEVY GUY
We have a Sonoma GMC 4+4 someone had the actuator onthe top side of the battery I moved it out of the way to put jumper cables on and now it wontgo in anygear
i really need someone to help me,its about my chevy vortec v6 2000 ,its about the ecm ,i wish to know how the ECM works to the injector, cause i find a + in the harness same as the negatif - at the same time, so i wish someone to understand me, and give me some advices just to repair my car. i hope you will give a good answer soon , thanks for your support.....
Do as the video says ..see if the hoses are cracked or weathered replace them ....Next look at the Actuator under the battery tray If its not pumping inward when you hit the 4x4 hi or low Ether you still have a vac leak or the Actuator is bad Or the Dorman 600-500 4-Wheel Drive Switch (google) Finally The last thing is Your truck at one point had someone try to switch into 4x4 while moving and the gears are chewed and will not slide into place ...Normal thing to do if your changing the actuator change the drive switch ...If yours is flashing into 4x4 and back to 2wd Your electrics are working ...hope it helps
Actually the funny story behind that was I was trying to recreate the fault that I was having. I would like to show what the problem is and demonstrate what it is and then show how to fix it rather than just arbitrarily say this is the fix without showing the work. The ice actually really helps for that too because I can then spin my tires and show what's going on
the only difference is the suspension. all the other components are the same!... the discs are different, the axles, the leaf springs, the shocks also are different.. I had no trouble finding ZR2 parts for my truck, since as I already told.. only suspension are different... in the front fonder inside it should be stamped as ZR2... or behind the distributor.. :)
rubendlove ok I got a brain buster, my Zr2 fuel Gauge stays on full all the time. I removed fuel pump inspected it seemed great shape. When I get to 'reserve' or running on empty light comes on, needle slams to empty position. The floater in the tank was operational. Any other ideas what would cause the gauge to malfunction?
It's a plastic wheel on the key ignition that's spring loaded. Mine wouldn't start in cold weather because over time that spring and wheel gets gunked up. The trick I figured out (to not have to rip the column apart) is I'll turn the key until I feel the spring tension and hold it there for a second and then start it. Works every time. The aftermarket anti-theft wheel is complete junk so don't bother replacing it.
Thanks nick and the guy , Im glad that i saw your film, I own a 2000 jimmy, paid a grand , I know i sound cheap !, but im restoring and old schoolhouse in northwest michigan , So in short i can afford a better suv bot i need the money for the school, THANK YOU FOR YOUR HELP FWD WORKS GREAT THANK TO YOU TWO !!! You guys are cool for taking the time out of your day to film this.Ken
you need to work on your video making skills. no you did show a useful piece of information that nobody else showed in their videos. which could save a lot of time