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97 gmc c6500 hard brake pedal - Cars & Trucks

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: 97 cavalier the brake pedal is hard and the anti

You could have a vacume leak. If so your engine will probably be idleing rough. Check the hose coming off the booster going to the engine.

Posted on Jul 05, 2009

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SOURCE: 95 gmc sierra 4X4 brake pedal very hard to push.

I think I would be looking at the vacuum booster for the brakes having a leak. Block off the vacuum line and try the brakes again. Make sure you have lots of room to stop. If the booster is bad then the pedal will still be hard but the RPM's and hissing should go away. Hope this helps.

Posted on Oct 12, 2009

wracefans24
  • 1985 Answers

SOURCE: 1997 GMC Sierra 5.7 changed master cylinder

check under your master cylinder,is there another clyinder below with one line in and one line out,if you do I found this is for the Abs to the rear,I had to replace this it was full of air,and did exactly what yours is now

Posted on Dec 09, 2009

  • 56 Answers

SOURCE: 1999 GMC Yukon, Do I need to replace the stop

Hey do-it your-selfer are your brakes O.K. Do you have to push youpedal down "real hard to the floor" after you hung all these parts on your Yukon! If so check to make sure the vacuum line is hooked up to the booster. Anyway the brake switch itself is not that hard. You can remove a panel under the steering column to get more room. Pull the switch up from the brake pedal bracket till it comes out. Install the new one, connect the wires. If you push it in to far, put both feet under pedal and gently pull up, you'll hear it set itself. Have someone check brake lights while you step on pedal. Good luck, best regards.

Posted on Feb 01, 2011

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1 Answer

Brake pedal is hard when vehicle is not running,but is soft when the 2005GMC Envoy is running.changed the brakes and rotors?


This sounds like a vacuum or hydrolic issue. If The pedal is spongy soft while its running it indicates air in the brake line, or faulty master cylinder, or faulty brake booster. A faulty master cylinder would get hard after a few pumps of the pedal. Since the pedal is hard when it is shut down, it makes me lean toward the brake booster.

Feb 14, 2017 | 2005 GMC Envoy

1 Answer

2007 gmc c6500 hard brakes, not vacume hyd


if the car has ABS I would look there next.could have a faulty modulator.

Aug 14, 2014 | Cars & Trucks

1 Answer

I have a brake problem on my 2005 GMC sierra


I need to know if the brake pedal gets tight or does the brakes get tight and slow vehicle down as if brakes are being applied.....If it is just the pedal getting tight and hard you have a vacuum Brake Power booster problem....If the brakes are locking slightly this could be a few different things......NEED MORE INFO..and Mileage....

Apr 01, 2014 | 2005 GMC Sierra 1500 Hybrid

1 Answer

Cant find the adjustment for the parking brake on gmc c6500


turn the parking brake handle counter clock to tighten the brake and clockwise to release the brake thats the only adjustment on a c6500 the parking brake is not in the rear drums behind the tires its on the drive shaft just behind the tail shaft of the transmission

any further questions please ask me @ MarshallsmobileKarl@gmail.com or call me at 407 409 3944 my name is Karl Marshall owner operator Marshall's mobile auto & truck repair sales service & towing llc

Aug 30, 2012 | GMC Cars & Trucks

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Where is the brake light relay on 97 jimmy 4X4


under hood in panel box.First try this, push and hold brake pedal while pushing on and wiggle the hazard switch if brake lights come on then replace the turn signal switch and you will have brake lights.

Nov 03, 2011 | 1997 GMC Jimmy

1 Answer

My problem is on the brake light switch everithing started when i replaced brackes booster didn't put the retainer clip back week later i start to have problems can't get it off parking is an automatic 97...


I think that it requires a new retainer on the brake pedal stud.

--- Brake Light Switch Removal & Installation To Remove:
  1. Disconnect the negative battery cable.
  2. Disable the air bag system. Refer to Chassis Electrical.
  3. Use snap ring pliers to remove the pushrod retainer from the stud on the brake pedal.
  4. Unsnap the brake light switch from the pushrod.
  5. Disconnect the electrical connector from the brake light switch.
To Install:
  1. Connect the electrical connector to the brake light switch.
  2. Snap the brake light switch on the pushrod.
  3. Install a new retainer on the brake pedal stud. Use a 7/16 in (11 mm) socket to push the retainer on the stud.
  4. Connect the negative battery cable.
  5. Enable the air bag system. Refer to Chassis Electrical.

Oct 08, 2010 | 1997 GMC Sierra

1 Answer

My brake lights on my 99 gmc yukon are not working what could be wrong? i have checked all the fuses and all of them work i also checked the bolbs and they are working aswell


Change the break light switch under the brake pedal. I have a 97 yukon and it's probably the same, it is really hard to get to. You have to take off the panel under the stirring wheel then look directly behind the brake pedal, it's a big white plastic piece you have to to unplug it. It took us an hour to get it off

Aug 28, 2010 | 1999 GMC Yukon

1 Answer

95 gmc sierra 4X4 brake pedal very hard to push. every time touch brake pedal rpms go up 500, and it hisses on the inside of the cab. any solutions?


I think I would be looking at the vacuum booster for the brakes having a leak. Block off the vacuum line and try the brakes again. Make sure you have lots of room to stop. If the booster is bad then the pedal will still be hard but the RPM's and hissing should go away. Hope this helps.

Oct 12, 2009 | GMC Sierra 1500 Cars & Trucks

1 Answer

97 gmc 1500 2wd gear lever stuck in park


theres a safty switch when you hit the brake it releases and lets you shift this could be your problem

Aug 30, 2009 | 1997 GMC Sierra

1 Answer

No brake lights


ck bulbs brake lite switch above pedal
shack

Apr 16, 2009 | GMC Sierra 1500 Cars & Trucks

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