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Showing results for tags 'vibration'.
Found 2 results
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I am in the middle of some bodywork, but before I can re-assemble my '75 280z I need to replace the foam pieces that brace the front fenders and outer door panels. Mine had all either dissolved or were torn when the panels were removed. Does anyone know the factory thickness of the foam so I can find a suitable replacement?
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So I'm experiencing a bad vibration when I apply throttle in gear. It's mostly noticeable in 3rd gear and higher, but if I really push it in 1st-2nd gear it'll vibrate. It doesn't matter how much I push the gas pedal, any throttle input at all will cause vibration in 3rd gear and up. It sounds and feels like it's coming from the rear end. If I let off the throttle I can hear a hum or a winding noise. There is NO vibration with clutch in or in neutral, only in gear. At any speed going down the road if I push the clutch in the vibration stops immediately. I had my diff rebuilt not even a year ago at a transmission shop when my diff was making a loud humming noise constantly, so there shouldn't be an issue with it. My first thought was the driveshaft ujoints, but after getting under the car and checking the play it doesn't seem to be that bad. I'll have to take it the trans shop to be sure. I took a look at the engine mounts, but only in neutral and revving. There was slight shifting but it seemed normal. I'm going to check the mounts at load tomorrow and check the trans mounts too. Also checked the driveshaft bolts and they were very tight. No flange to flange play. Halfshafts too. I don't know when exactly this started happening, so I can't pinpoint what I did that started the vibration. Just went down the road one day and felt the shaking. I don't drive the car very hard, never clutch dumping or launching it. Anyone else have this issue before? What fixed it for you? If any of you need more info I'll provide it. I'm going to take it down to the transmission shop soon to see what they think, in the meantime I'd love for y'all to suggests some tests for me to do to narrow down the issue. Thanks
