heavy vibration

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driftinthe45
Posts: 42
Joined: Wed Mar 23, 2005 8:28 pm
Car: 1994 Q45a

Post

When im in 3rd gear, obviously im aware the car revvs more, but wen i hit around 40 or so, if im not on the throttle heavy the car virbrates very bad. is this normal ? or is something wrong with my transmission.?


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elwesso
Posts: 30810
Joined: Sun Feb 23, 2003 4:52 pm
Car: 94 Infiniti Q45t 5 spd
2007 BMW M Coupe
2007 Infiniti G35 S 6MT
Location: Indiana
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Post

Could you describe the vibraiton...

Is it a low toned, can you feel it or hear it more...

maxnix
Posts: 22627
Joined: Mon Jul 22, 2002 8:11 pm
Car: 1995 Infiniti Q45
1995 Infiniti Q45t
2000 Infiniti Q45

Post

~45 mph in 3 and ~70 mph in D indicates your rear motor (transmission) mount is way gone if it is as severe as you describe.

It is destroying the output shaft and the u joints as you continue to drive.
Modified by maxnix at 9:26 AM 4/8/2005

96Qowner
Posts: 2643
Joined: Tue Sep 07, 2004 12:11 pm
Car: 1996 Q45

Post

Yep, it's the transmission mount. Check the other thread on the list for more details.

zerothread?id=110574
Modified by 96Qowner at 10:39 AM 4/8/2005


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