Hydroboost Failure, and Installation 

Very valuable info here and what a great guy. Well spoken, no uh's, clear, intelligent, honest and humble. Thanks for the lesson Jesse. Also no stupid annoying music.

your the only one that talks about dump valve and the different check valve is spot on

I hate it when you remove the last bolt and springs and gears and check valves go everywhere.Thanks for this upload!

Jesse sorry about your fail with the check ball! Wish I could say I've never screwed up, but I can't! I appreciate you doing this video for the heads up! I got a 1996 2500 burb that has the hydro boost and that damn thing has leaked ever since I bought it. It's finally time to fix it. I went through 3 quarts of power steering fluid this last summer pulling my camper and boat. Now it's winter and the fluid just pores out of it. I was very happy to hear you say you ordered your seal kit from PirateJack! That's where I got mine and your right they didn't charge shipping. Anyhow great video very informative! Thanks again for making it.

Thanks Jesse: Any of us who has worked on equipment has destroyed something somewhere along the line. Certainly I have.

Thank so much for posting your mistake! I had that same piece fall out an I had no idea where it can from and the directions ARE NOT CLEAR enough! Your humility in posting your mistake saved me a lot of headache and money. I'm absolutely grateful! Thanks Jeese

Thanks for letting us learn from your mistake I'm rebuilding mines now and will be on the look out for this

This was a great video. Watching you and your buddy mysterious Mr. "Dark Jacket" get that thing apart. Wrenching at it's best.. Thanks for sharing. I'm gonna get one of those impact drivers.

I am getting ready to rebuild mine. I am pretty sure you just saved me the saved me from having the same problem. Thanks for sharing .

Great video. And your close up shots did the job perfectly. I'm going to be rebuilding mine soon and I will NOT forget to double check the ball. Thank you.

Great Video! Love that we're your #1 source for the kit! Let us know if you need anything. Happy to help in any way!

I just want to say that i too made the mistake however didnt have the same damage as you did. i lost the ball and the plastic piece on top of my computer . because i left my hydro boost on the firewall. and just split it to take it apart. pedal slammed to floor just like yours when i turned the engine on. thankfully i came across your video and found the plastic piece but the ball was lost. so i ran to a u pull it junk yard and snagged one out of a unit. saved my ass thank you so much.

Thanks for the video and the info. I was doing some research before rebuilding mine on my 01 ram 3500. Definitely helpful. Thanks for sharing your fail. I also got my kit at Pirate Jacks, before I saw this video. Anyway, thanks again!!

My brakes slammed onto the floor really hard too. Stay tuned to hear what Im about to discover...great vid. Thanks

Very helpful, thanks for sharing your learning process ( not a mistake) that's what RU-vid is all about. Guys like you helping others

Good to know from your experience i just did my booster fixed last week and bought the Kit from amazon similar kit for 45$ i only used the piston seal and it did the work stopped the leak.

Albert, this unit came out of a 1984 one ton. it should be the same as your 1985. I hope you have smooth sailing on your projecy!

Thanks for sharing brotha. I can tell youre a really good person. Stay strong and keep helping people. Knowledge is power. I love classic cars, just learning what i can every chance i get.

Nice video. I'm glad Pirate Jack has worked out for some folks, but for my 1986 GMC C6000, it was a failure. I had ordered their "fits all" package. When I finally got it, I opened the shipping package. I looked through the plastic bag at the seals, excited about getting my truck running again. I put the my old seals next to the bag and and discovered, nothing matched. Totally useless. I thought about returning it until I read about a 20% restocking fee for free shipping orders. Ehh, not worth the time, trouble or expense for a few bucks. It's now my new paper weight. So don't be so sure Pirate Jack has your cure all. Hey! I'll sell you my unopened package for a couple of bucks less than I bought it for. At least it won't go to waste.

Great video! Thanks for sharing that "lil" mishap. VERY Helpful!!

I think the instructions showing a check ball are an older or different model.the instructions from pirate jack show a completely different check valve assembly,maybe an old style.i think the little rod with the ball on the end takes the place of the seperate ball. word of warning, i bought a cheep rebuild kit ,i had to push the little rod into the valve with a pair of pliers,this caused the rod to not move freeley back and forth. now when i turn the steering wheel my brakes apply themselves. i've ordered a better kit

very helpful, very informative. thx for sharing

Just FYI, the accumulator is charged when the PS pump is running (engine running) and is meant to give some brake assist in the event that the engine dies and you're still rolling. The accumulator gives 2 or 3 semi-power assisted stops, but is not used during normal braking operation.

As soon as my other parts come back from the powdercoating shop, I'll be putting everything back together an I'll let u know how things work out.

the actual diagram for the ram shows it does not have it let ya know if it works

what year is your truck, mine is a 1985 dually and i do not want to make the same mistake. tks

Good day; My neighbor has a 2000 chevy 2500 diesel 4wd and brake pedal went to floor. IT has the hydraulic Fluid booster . I tinker and want to try save him a buck. No complaint of steering issue. I felt underside at Master & booster union and feel minimal fluid. No puddle or honest trace of a external leak. I let truck sit for while, hit brake pedal- to floor. I let truck run a bit then shut off - pedal to floor. I held foot on pedal and started - no build up. If I take foot off- pedal will return out. I have not worked on a hydr, just the old canister suction type. Have you come across an internal? On another vid it was concluded a ABS pump was the prob on a like issue. I think the pedal/ start stop engine pre tests lead me to the booster. Greatly appreciate your thoughts if I have misunderstood sequence of diagnosing. Best; Tom

Thanks, I think I threw away my check ball when I threw out my towel I had my hydrobooster on. If I don’t find it I’m gonna be the new owner of a new hydrobooster, thanks for the info.

I have a 1990 GMC Topkick (24 Foot,) that has a very hard pedal, and no brakes. The pump, booster, and master cylinder have been replaced before I got the truck. Trying to find someone that has some knowledge with these. Any help would be appreciated. The steering works fine, but when you are working the brakes, the pump doesn't even sound like it's working, no whine. The little aux. motor comes on when the engine is off, but again, runs free, and doesn't sound like it pumping against any pressure. Thanks.

I have 2 milwaukee cordless impacts. They are somethin else. Dont know what did without em

thanks brother very good info

Will this cause hard steering?

I have rebuilt or resealed mine twice. Both times two different kits the last 2 weeks then they leak like crazy

i had to use a pipe wrench and a 3 ft pipe to get that damn nut off...i didn't trust using heat since i was gonna reuse the HB

So I had a similar or same issue, when I turn on the truck the pedal goes to the floor. when I turn it off the pedal goes back out. I struggle so much with the brakes. I had no brakes, I had to bleed the system so much but no response. when I took the hydroboost apart I saw that check valve but it never came out. That check valve stay inside, I even remember pressing that valve and I saw a little bit of fluid out but nothing out of order. Anyways this could explain why my pedal goes to the floor. I could not figure out what was wrong with the system, I took it to the shop because I run out of ideas, I replace the power steering pump. The shop said it may need a new hydroboost which is very expensive right now but at this point I am letting them replace it which is costing me an arm and a leg but now I am letting them see if they can fix my no brakes issue. when the truck is off, you can feel the brake pedal (very hard) when the truck is on the pedal is suck and goes to the floor.

I have a 95 Chevy g20. I got stuck. Pulled it out. I have no power steering and a hard brake pedal. Could it be the Hydro boost unit?

Lost my ball, where to get one, what size is it

Ive got a stupid question, ive got brake fluid leaking on the bottom of my hydraboost and im wondering if its the actual hydraboost leaking or the master cylinder?

My accumulator is loose and leaks from there. Can I fix the accumulator part as well???? Or am I dead in the water? 😢99 Chevy Astro

To be absolutely crystal clear, are you saying the part shown and described at around 3:35 is the check valve, and was not installed correctly because it wasn't pushed in all the way?....Or are you saying there is a separate check ball, in addition to this piece, that is not shown because it was missing? Thanks for your help.

Ganhou um.escrito novo, meus parabéns pelo profissionalismo

Nice video man I've done that on rebuilding a transmission lost a little ball fortunately caught the mistake before throwing it back on.tried looking for piratejack.com maybe typing it wrong.

Thank you!!!

Yes thank you . I did not receive any instructions with my kit…

great video. i made the same mistake and had the same problem

Hello, what were the symptoms when it failed? Thanks.

did yours leak after reinstalling the hydrobost? mine did not leak, I simply had no brakes, the pedal would go to the floor every time I start the truck. no brake pedal. what were the symptoms you had after installing the hydroboost incorrectly?

Too late. I replaced mine without taking the whole unit out of the truck and taking the unit apart on my bench. Instead I split it in half in the engine bay and guess what fell out without me knowing it, that valve and the ball leaving only the plastic piece in there. After it not working after re-installing the hydroboost I found your video and found the metal valve under the truck. Pretty sure all the pressurized nitrogen is gone now and need to go buy a new one :/

so if that is lost any clue as to what the size of the bearing is

ok so I have a question I am working on a 99 ram 2500 and was super careful taking it out but no ball now I don't want to put it back in without knowing if it's needed or not

Wish I had seen your video before I took it apart

stering box was leking so put new one in now it seams like the presher wont flow. and brakes are stiking

Jesse, I just took one apart and it does not have the check ball between the plastic cup and the valve. You think some units come without them?

94 Chevy k3500 here I got real tired of replacing the hydroboost... it seems to start pissed fluid ever year and a half and at almost $300 each I figured there's gotta be a better way... I found a couple videos on here ordered parts and I was super careful to not disturb the check valve. I just replaced the main piston seal and the 2 on the input shaft re assembly and my pedal drops to the floor.... now the unit is back out on the bench and the check valve was still in its place I actually had to wrestle it out of its hole and behind that was just that yellow plastic piece ...nothing inbetween. The kit I ordered has the new valve and yellow piece but no ball...I'm goin to reassemble and hope for the best... if anyone has anything info on this disappearing ball please let me know.

Love

Wells this just happen to me. I should of found your video before I took it apart.

Shalum akhy good video. noticed your Tzittzityot and had to comment.

This other video ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-1tr3vHl1zhA.html showed NO ball bearing in the unit he was rebuilding, but my diagram shows a ball bearing. How sure are you that the missing ball bearing is REALLY the culprit that ruined your hodro-booster, or that it isn't used in some models? Thanks.

Of course i see this now after it happened to me.... i cracked the case and the valves fell out. I watched a quick video on how they sit (nothing about the little ball). Throw it all back in and BAM. 250$ down the drain.

Love