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"Budget" NV-4500 Transmissions?

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Banjo Bolts

High pitched metallic squeal

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Matt42

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I just returned from a week with the office's 1998 Chevvy 6. 5 with an NV-4500. We once again had transmission problems, but not as bad as the complete meltdown in September. All we are getting is the icky smell of hot transmission oil on upgrades and at high speeds.



Just before we returned, I crawled under to try unsuccessfuly to check the trans oil level. To my surprise, the Chevvy's NV-4500 only had a fill plug, not a drain plug. I recollect that my own 1998 Dodge has both. Was the omission of the drain plug also done on the NV-4500s put on Dodges, or is that just another infamous GM cost-reduction method?



If I recall rightly, the Chevy mechanic in Idaho, while replacing the melted transmission (24K miles) told me that the DC version had a larger front bearing than the Chevy version. Does that sound right?



Matt in less-than-sunny AZ
 
I think the HD version used with the Cummins has a larger input shaft and therefore a larger bearing. Don't kno which version the 6. 5 uses.
 
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