Question about 1998 Chevrolet Blazer

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Where is the brake booster check valveon a 1998 Chevrolet Blazer?

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  • 186 Answers

Check the internet, or your local auto parts store or garage. It doesn't hurt to ask.

Posted on Nov 30, 2014

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Posted on Jan 02, 2017

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SOURCE: bad brake booster

If you know for sure that the booster has failed, you need to unbolt the master cylinder from it, (sometimes you can move it away enough to not even disconnect lines.) Then unbolt the booster from the firewall, disconnect the pedal linkage if connected to booster. Remove & replace booster assembly and everything else you you took off. If you didn't have to remove master cyl you are done. If removed, bleed master before putting back into service!

Posted on Jan 09, 2009

  • 72 Answers

SOURCE: How do I access brake booster bolts on a 98 chevrolet s10 blazer

You need to be a contortionist with the proper set of swivel head sockets and extensions...preferably 1/4" drive, a good flashlite and LOTS of paitence. Leave the beer for later....good luck!

Posted on May 28, 2009

arauzvictor1
  • 466 Answers

SOURCE: how do you install brake booster on 1998 chevrolet

Press brake pedal several time to exhaust pressure from accumulator, Clean dirt from hydrulic line connections at booster and at master cylinder.Disconnect hydraulic lines from booster and plug all openings. Note; in most cases it is not necessary to disconnet master cylinder brake lines to remove booster.Remove and support master cylinder.Disconnect booster push road from brake pedal. remove booster to firewall nuts from inside vehicle.Remove booster and gasket

Posted on Aug 17, 2009

  • 1 Answer

SOURCE: 1998 Chevrolet Monte Carlo brake lights do not

I had to replace the turn signal switch in my 1998 z34.Now everything works fine.

Posted on Sep 19, 2009

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SOURCE: 1996 chevrolet K1500 brake light switch

The parts store had given me a booster for an 88-94 model. The the brake booster rod end clevis would not actuate the switch. After installing the correct part number component it works like a champ.

Posted on Oct 16, 2009

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How do you repair a 4wal anti lock system that causes a weak pedal after start with a strong pedal before starting.


Does the brake booster hold vacuum after several hours of the engine not running? You should have 2 to 3 pumps of the brake pedal with the engine not running until the pedal is hard. Worn pads or sticky calipers can also cause the condition.

Nov 29, 2014 | 1998 Chevrolet Blazer

1 Answer

What is brake booster


When you open your hood, its on the drivers side, that big round thing on the firewall, by where you add brake fluid. If you have power brakes, you have a booster. If you don't, you don't.

Jun 21, 2014 | Chevrolet Chevy Cars & Trucks

1 Answer

1998 chevy blazer when we replaced brake booster and now it will not shift out of park whenits started


Not sure I am following your question, or maybe questions.
If you can not shift out of park with the key on, the brake switch on the pedal may be faulty or out of adjustment.
If the warning light is on, it could be the fluid level sensor in the master cylinder, or the parking brake switch.
If you have no brakes after you try bleeding the master cylinder, the rod inside the booster may not be connected correctly. If you replaced the master cylinder along with the booster, you would need to bench bleed the master before installing it in the truck.

Oct 08, 2012 | Cars & Trucks

3 Answers

Power brakes aren't working. hissing noise when braake is stepped on.


Sounds like the vaccum hose is off to the brake booster. Check that its is right behind the brake fluid rev. were you put the fluid in for the brakes. If the line is fine it could also be the booster its self.

Mar 10, 2011 | 1998 Chevrolet Blazer

2 Answers

How do i change a brake booster


from autozone.com:

  1. Disconnect the negative battery cable.
  2. Apply the parking brake.
  3. Unplug all necessary electrical connections.
  4. Remove the master cylinder from the booster and pull it off the studs, CAREFULLY! It is not necessary to disconnect the brake lines.
  5. Disconnect the vacuum hose from the check valve.
  6. If necessary, remove the brake light switch.
  7. Disconnect the booster pushrod at the brake pedal.
  8. Remove the booster mounting nuts, located on the inside of the firewall.

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Fig. Fig. 1: Vacuum booster mounting

  1. Lift off the booster and remove the gasket.

To install:
  1. Install the booster with a new gasket.
  2. Tighten the booster mounting nuts to 21 ft. lbs. (29 Nm) on all except 1996-98 models. On 1996-98 models, tighten the nuts to 26 ft. lbs. (36 Nm).
  3. Install all remaining components.

Oct 29, 2010 | 1998 Chevrolet Blazer

1 Answer

I have excessive brake travel, and a hard time 98 chevy blazer


Two issues...
The brake booster has a ruptured diaphragm. Replace the booster.
It is located under the hood between the brake master cylinder and the firewall.

Your master cylinder may be leaking fluid internally past the plunger.
Have it examined when you change the booster.

Oct 12, 2009 | 1998 Chevrolet Blazer

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