1992 Cummins NV4500 Swap Transmission Noise!

4,438 views · Published 29 August 2015 · 0:45 · Indexed 23 September 2026

Channel: 23027 · 2015 · People & Blogs

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Horrible ugly vibration and noise from my tranny. Yuck. Has been going on since the day this transmission was thrown in. Happens in 3rd, and majorly in 4th in the lower rpm range when accelerating/decelerating. I have measured drive-line angles and ruled those out, rear end is okay too. Motor mounts are still good, and tight. Crossmember is hokey, but it holds fine and is not a cause. There is enough clearance in the transmission tunnel for it to not touch. Fluid type and fluid level are up to snuff. Valair clutch and modified stock second gen flywheel as per Valair instructions.

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