Question about 1998 GMC Sierra
I have a automatic and the shifter is to hard i press the break i make it work so this is the fourt time a replace the shifter
Shift linkage/check codes if late shifting and rough tansmission pressure control solenoid valve/check ur fluid first /
Posted on Jan 25, 2013
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Posted on Jan 02, 2017
sounds like an intermittant fault in the ABS control valve, most likely one of the solenoid valves is sticking or out of self test range..
Posted on Feb 11, 2009
SOURCE: my break lights do not
Please check your brake switch on brake rod for malfunction. You can the power there by using DC voltmeter. Attach your DC voltmeter + lead to out going power cable while - lead to body. Now engage your brake, if there no voltage showing on your volt meter, your brake switch or incoming power fail and need to replace or repair.
Posted on May 18, 2011
SOURCE: i replaced the front breaks
the hard pedal and air leak sound indicates you have a fault in your vacuum booster. to me the booster itself sounds bad but the booster is powered by a large diameter vacuum hose, make sure it has no leaks at either end, and it connects to a one-way valve at the booster end and those valves can go bad. you have to separate the master cylinder from the booster, unbolt the booster from the inside and disconnect the brake pedal arm.
Posted on Jun 26, 2011
Hi:) Dirt and rust get on the sliders were the brake pads ride the rail at both ends of the pad and sometimes get jamed up and won't release Thuse locking up. Mechanics will use an antilocking grease in these area and should clean these area with a wire brush before doing so.
Posted on Dec 24, 2012
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