Question about 1993 GMC Sierra K1500

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Change my brake booster now my truck wont shift out of park

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Posted on Jan 02, 2017

  • 93 Answers

SOURCE: 98 gmc sierra

If you mean that it won't start in park but will in neutral then it probably is the neutral safety switch

Posted on Jun 28, 2010

  • 3640 Answers

SOURCE: Brake lights won't come on

check for a bad brake light fuse! if not the fuse, the brake light switch operates brake lights and if bad you will not be able to shift it out of park, as well as the brake lights not coming on.! because you have to put foot on brake to do so. if bad switch, it wont let it out of park. it could be just out of adjustment also!! good-day !

Posted on Aug 28, 2011

skychief2001
  • 21873 Answers

SOURCE: 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.

Posted on Jul 28, 2012

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1 Answer

I cannot shift gears; It won't move out of PARK. What could be the problem?


Brake Switch somehow got out of adjustment
with the brake booster install.

Now you don't have that signal to the computer
to release the shift solenoid,sloppy work

Nov 13, 2012 | 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

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.

Jul 27, 2012 | 1993 GMC Sierra K1500

1 Answer

IT wont let me engauge drive after replacing brake booster


if you change the brake booster you must have knock the brake switch off or out of adjustment that will stop the shift inter lock system from releasing

Jul 07, 2012 | 1997 GMC Safari

2 Answers

Replaced hydraboost power steering pump in 1997 chevy one ton, now it won't shift out of park


near the booster at the fire wall is the linkage when you changed the booster i'm guessing you hit the rods or knocked it off

Jun 14, 2012 | Chevrolet 3500 Cars & Trucks

1 Answer

UNEXPECTED ACCELERATION


possible vaccum line problem and when you hit the brake your brake booster is changing the vaccum pressure idling your engine up

Nov 11, 2011 | 1996 Nissan Sentra

3 Answers

Brake lights won't come on after changing brake booster on 97 gmc 1500. Also won't shift into gear.


check for a bad brake light fuse! if not the fuse, the brake light switch operates brake lights and if bad you will not be able to shift it out of park, as well as the brake lights not coming on.! because you have to put foot on brake to do so. if bad switch, it wont let it out of park. it could be just out of adjustment also!! good-day !

Aug 28, 2011 | 1997 GMC Sierra

2 Answers

The battery is dead and the car is in the garage and when I turn the key to switch it out of parking gear it wont go I need to push it out of the garage


YOU NEED BATTERY POWER TO ENERGIZE THE BRAKE TRANSMISSION SHIFT INTERLOCK SOLENOID TO SHIFT TRANSMISSION TO ANY GEAR.TRY USING A JUMPER BOOSTER BATTERY TO POWER CAR UP ENOUGH TO SHIFT IT OUT OF PARK TO MOVE IT.

Mar 24, 2011 | 1996 Ford Contour

2 Answers

My car will start but I cannot move it into drive. When I push on the brakes to transition from Park to Drive the brakes make a hissing noise...


The hissing noise could be the power brake booster leaking vacuum. The inability to shift out of park is likely to be a bad SHIFTER INTERLOCK SWITCH attached to the brake pedal under the dash.

Dec 30, 2010 | 2002 Pontiac Aztek

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