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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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#21414 10/04/2004 2:17 PM | Joined: Jul 2002 Posts: 358 Shop Shark | | Shop Shark Joined: Jul 2002 Posts: 358 | I posted a while back about first gear getting increasingly noisy, it was whining like crazy on startup.
It was missing almost a quart of oil...
I added 85w140 gear oil and now it feels tight and buttery smooth, almost too 'cushiony'?. Or is it that I need to get used to it?
Are there any adverse effects to using a 'thicker' oil in the trans? Increased pressure on the gears? | | |
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