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Duramax 6600 Discussion Forum for the Duramax 6600 Diesel Engine, including the LB7, LLY, LBZ, LMM & LML engine specific topics.

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Old 01-31-2005, 08:10 PM
tnlegendracer tnlegendracer is offline
Join Date: Oct 2004
Location: Springfield, TN
Posts: 29

I have a 2003 LB7 with automatic. I don't have the "diesel supplement" that tells the capacities. How many quarts of oil should I add with a filter change? I added 11. Does that sound right? It looked perfect on the stick, from what I could tell.

Man, oil ran everywhere, all over the floor! I put the Fumoto in (the one with the nipple). Does it need a hose or will it clear the skid plate when draining without the hose?
Old 01-31-2005, 09:14 PM
More Power's Avatar
More Power More Power is offline
Join Date: Feb 2000
Location: Big Sky Country
Posts: 10,206

Book says 10 quarts, but this assumes a complete drain. A quick lube center I frequent usually puts in about 9-1/2.

How you check the oil level can make a difference on the stick. I like to let the "at operating temp" engine sit for a few minutes before checking.

Don't know about the Fumoto....

Old 01-31-2005, 09:32 PM
Posts: n/a

Fumoto with the nipple on my '01 LB7 and oil clears the skid plate without a hose.
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