2000 suburban low speed thumping noise
#1
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I have 2000 suburban 1500 keep hearing a thumping noise at 5 to 15 mph while backing up or driving after it goes away at fast speeds.need help here.
#2
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Join Date: May 2013
Location: Baltimore; moving to Nantucket
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being that it happens at low speeds, would be pretty easy to have someone drive it as you watch it go bye. A tool called 'chassis ears' would be ideal in this situation.
Not affected by engine speed?
Under load?
Only reverse?
Not affected by engine speed?
Under load?
Only reverse?
#4
Administrator
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Have you inspected the underside of the vehicle for:
Anything wrapped around the drive shaft
Checked the U joints front and back
Jacked the vehicle up off the ground and rotated each wheel in both directions checking for a wobble or anything stuck in the tire
Inspect the transmission and motor mounts for cracks or tears...
Think like a thump.. those are the things and places I would check...
Anything wrapped around the drive shaft
Checked the U joints front and back
Jacked the vehicle up off the ground and rotated each wheel in both directions checking for a wobble or anything stuck in the tire
Inspect the transmission and motor mounts for cracks or tears...
Think like a thump.. those are the things and places I would check...
#5
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My 02 Suburban sometimes makes a weird thumping noise. It's almost always when I'm just backing out of the driveway, but once or twice has done it when I'm less than a block away. Doesn't always do it. Only does it once, when it does it. But it sounds like something is dropping near my glovebox. In fact, I always look over there because I think it's actually something dropping. lol. Does this sound like what yours does?
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