Question about 2001 GMC Denali
Check wheels and steering for loose parts, wheel, hub/bearing, check to make sure all nuts and bolts are tight, Check Inner and outer CV joints for damaged boots and make sure the hub nut is tight. Grease the components that have grease fittings, tie rod ends and ball joints usually. Check the brake calipers for tight mountings, the upper ball joints should be inspected for wear, as should any steering linkage component. Also check suspension arms for worn or degraded bushings, upper and lower, and that their mounting bolts are tight to frame.
Also look for plastic parts that are loose- it they can move close to a tire, they may be a possible source of the noise as well. Including a dust shield rubbing against the steering shaft- llok for bright areas where something may be rubbing against it.
Posted on Feb 12, 2012
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Posted on Jan 02, 2017
SOURCE: popping sound
Make sure the shocks are reattached at both ends; also if it has coil springs vs torsion bars, they may be twisting upon spring movement. if not sure, you can squirt some oil on the bottom of the coil springs to test. if the popping stops then the springs may need repositioning (twisting to the proper spots) or get an after market pad to place underneath the spring where it contacts the lower "a"frame. good luck
Posted on Dec 30, 2008
hi for info the brakes warning light on dash is also an indication that brake fluid level is low? or there may be a leak resulting in fluid level drop ? also considering age of car you may need to inspect brake pads wear ? if your car has low brake pads wear indicators attached to pads ? or the hand brake switch req's checking to ensure it is being pushed to off position when h/brak is down ? so fluid level low is the obviouse 1st check as fluid will displace from reservoir as pads wear low hence the level indicator on fill cap trips on may i suggest if it is low level b4 you top up? check your b/pads if you have not done so recently? or replaced since new ? hope this helps you locate problem best wishes from the uk
Posted on Jan 03, 2009
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