1990 Nissan 300ZX not sure of problem souce...

1990 NISSAN 300ZX
132,000 MILES • 6 CYL • 2WD • MANUAL
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CAHARRIS_21
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I believe my category is correct.... recently have noticed when accellerating from stop in 1st gear the car starts to vibrate heavily to about 3000rpms...and also (but a bit less) when going through 2nd gear. It stops immediately if i keep gas going but take out of gear and also stops when not on the gas....is this a u-joint issue..or where drive train goes into rear axle....no shaking when just reving engine in neutral or when in higher gears (unless i hit next gear low on the RPM's then a little til up at higher RPM...I had one joint already replaced (near cat-convertor) 4/07 to stop similar shaking at 4000-5000 RPM range...please advise
Nov 6, 2008 at 3:52 PM
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