Strange thumping noise while in gear, not neutral.. need help
#1
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Strange thumping noise while in gear, not neutral.. need help
the vehicle is a 00 WS6 with a t-56. after market mods include a PST carbon fiber drive shaft and a moser 12-bolt
The issue I am having started today. I went to switch gears and when i went into 3rd I got a loud thumping. It was almost like the tire got a huge nail in it. As i went faster it got louder and quicker and vise versa. The strange part is when I push the clutch in or take it out of gear, the noise stops. I jacked up the car and ran it, and found the noise to be coming from the drive shaft (or so it sounded like). I disconnected the drive shaft and ran my car though the gears, no noise. I spun the rear wheels manualy, no noise. I even drained the rear gears and found clean oil. I inspected the drive shaft and found normal minor wear. I'll admit i'm not an expert, but i am pretty stumped here.. any thoughts?
Ps no nail,
The issue I am having started today. I went to switch gears and when i went into 3rd I got a loud thumping. It was almost like the tire got a huge nail in it. As i went faster it got louder and quicker and vise versa. The strange part is when I push the clutch in or take it out of gear, the noise stops. I jacked up the car and ran it, and found the noise to be coming from the drive shaft (or so it sounded like). I disconnected the drive shaft and ran my car though the gears, no noise. I spun the rear wheels manualy, no noise. I even drained the rear gears and found clean oil. I inspected the drive shaft and found normal minor wear. I'll admit i'm not an expert, but i am pretty stumped here.. any thoughts?
Ps no nail,
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just checked, everything seems fine on the yoke, that i can tell. ive asked a few ppl around what they think it is, and alot have said yoke. i just picked up a stock drive shaft from a junk yard and am going to throw that in and see if that makes a diffrence.
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#9
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The guy who did mine said he had never seen a car keep going after spitting out a couple teeth, but I drove mine around 150 miles, to get home from the track and then to his place.
Good luck, glad you at least found the problem.