Gear Noise - The 1947 - Present Chevrolet & GMC Truck Message Board Network

alta-aj · 08-17-2002, 10:59 PM

I have a 69 Chevy 4x4 with a Rockwell T221 linked to an SM465 4 speed. Both have just recently been rebuilt but ever since I can remember (and that's a long time cuz my dad bought the truck brand new) they have been noisy when travelling above 45 mph or so. Although I think it is the T.C. that's the culprt< I'm not sure. I just have standard gear oil in these boxes at the moment. I'm wondering if any of you have recommendations on a type of oil that might quite things down some?

08-17-2002, 10:59 PM	#1
alta-aj Registered User Join Date: Aug 2001 Location: Qualicum Beach, B.C>, Canada Posts: 117	Gear Noise I have a 69 Chevy 4x4 with a Rockwell T221 linked to an SM465 4 speed. Both have just recently been rebuilt but ever since I can remember (and that's a long time cuz my dad bought the truck brand new) they have been noisy when travelling above 45 mph or so. Although I think it is the T.C. that's the culprt< I'm not sure. I just have standard gear oil in these boxes at the moment. I'm wondering if any of you have recommendations on a type of oil that might quite things down some?



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