- May 30, 2005
- 62
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i drive a 1991 gt...i have a certain slight knocking sound coming from what i think is the transmission mount...its not the harmonic balancer cause motor is smooth when revved...the steering column hits on my long tube headers but there is still a slight knocking sound at idle and at anywhere from 2000-2800 rpms...any ideas? transmission mount? driveshaft? let me if you have any ideas...thanks!