Thread: Serpentine belt size for M119 engine without air pump?
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Old 02-23-2004, 01:13 AM
suginami suginami is offline
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Join Date: Dec 2001
Location: Southern California, U.S.A.
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If you'd like to try going without running your air pump, it's pretty harmless.

I don't know how much smog emissions changes with the pump running. Probably not much, but enough to make a difference to fail smog emissions.

I'm not an expert, but I think it does more than what we're aware of.
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Paul S.

2001 E430, Bourdeaux Red, Oyster interior.
79,200 miles.

1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".
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