Question about Isuzu Cars & Trucks
I have isuzu npr. the vac light comes on and the pump runs if you pump the brakes. ive have the booster replaced and the master cylinder. still have to pump brakes to get pedal. what could be causing this?
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Posted on Jan 02, 2017
if the booster is bad the pedal would be hard sounds like the e-brake is stuck take off the drums and make sure the arms are all the way back then did you adjust the rear brakes after changing the shoes
Posted on Dec 14, 2008
it could be that the master cylinder is bad or the brake booster is bad also check the vacum hose going to the brake booster if it has a hole in it it will lose pressure and make the engine lose rpms
Posted on Aug 23, 2009
SOURCE: brake pedal dropping to floor
do u have the antilock brake bleeding tool? if not you will need to have the dealer bleed the brakes, the ABS control valve must be electricaly held open to bleed the brakes there of course is a special tool for this.
Posted on Oct 18, 2009
Testimonial: "Thank You"
SOURCE: my 94 c1500 has very
You still have air in the system. You will have to bleed more. I had to bleed a quart of brake fluid out of each wheel to get good brakes on my 1996 GMC.
Posted on Jul 29, 2010
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