Question about 1999 Chevrolet Tahoe

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Just replaced the brake booster and now the truck will not come out of park, any ideas

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  • Chevrolet Master
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Did you disconnect the brake light switch or accidentally bumped it? Perhaps forgot to reconnect it and before you can shift out of park it needs to see a signal from the brake witch and since the signal isn't there it's not allowing you to shift.

Posted on Oct 27, 2012


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Posted on Jan 02, 2017

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SOURCE: Brake problem

do it again .. bleed the master cylinder maybe more than once .. I have had this happen before they are tough sometimes to get to take fluid right .. bleed it again till fluid is really flowing right .. your problem is the master cylinder not blead enough yet .. holler if you have more Jerry

Posted on May 17, 2009

  • 5 Answers

SOURCE: Replaced the brake power booster now it is stuck

air in system repeat steps.

Posted on Dec 07, 2009

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SOURCE: i replace the brake booster now it will not shift

Do the brake lights work? You might need to adjust the brake light switch.

Posted on Nov 11, 2010

  • 16 Answers

SOURCE: good brake pedal till i start the truck then it gets soft

You need to adjust up the rear brakes and also check back there for leaking wheel cylinders and maybe even a bad bearing in the axle assembly, worn shaft,accompanied by a leaking axle seal that will appear really nasty and smell bad too...

I have also seen this model with a crappy pedal when the brake hoses have become softened and expand under pressure

Posted on Jul 28, 2012

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'96 Mystique 2.0 trouble with idle. replaced idle mixing valve. I don't get any codes, I have to shift to neutral at a stop sign or light to keep from stalling. It gets real rough almost a lope.

troubles at lights may very well mean a vacuum leak from a faulty brake booster
test by stopping and then applying the park brake and taking your foot of the brake pedal
you can do this test in the garage
start the engine , apply the park brake , place in drive
if it idles alright , put you foot on the brake
if it plays up , replace the brake booster

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Replace brake booster on 1997 f150 @veicle is stuck on park replace the brake switch still doing the same

there are three reasons:
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My 1995 jeep cherokee is stalling out after being driven a little while and i have to put it in nutral when cuming to a stop to keep it from stalling ive replaced the m.a.p sensor didnt fix the problem...

Check all the vacuum lines including the power brake booster for leaks. A good way to check the booster is to start the car and with it in park step on the brake pedal and see if you have a drop in RPM's Also if the brakes don't stop the car like it use to is another sign of a booster going bad.

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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

1 Answer

Truck will not shift out of park after replacing power brake booster

Sounds like the brake pedal is out of adjustment to the brake light switch. The brake light switch sends power to the solenoid that locks the shifter in park.
Check the switch.

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Hissing sound from under the driver's side of

Yes sound like brake booster. most of time when booster is going bad makes hissing sound when brake applied.But should not make any kind of air leakage noise at all.Replace brake booster.Hope this was helpful for you.

Nov 23, 2009 | 2003 Ford Expedition

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