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Old 01-25-2001, 05:51 PM
Alan S's Avatar
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Join Date: Dec 2000
Location: Cary, IL
Posts: 94
Since I bought my car (2 months), the secondary air injection pump belt has been missing. I originally thought it was the A/C belt, and was going to replace it today, only to discover it was the air pump. My question is what does the air injection pump do? My car seems to run fine, I imagine I can purchase the belt through Mercedeshop. Thank You.
2012 550CLS
1982 380SL
1985 300D
1998 ML-320
1997 E-320
1984 380SE
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Old 01-25-2001, 06:02 PM
Join Date: Mar 1999
Location: Tucker, Ga USA
Posts: 12,153
The air pump helps on emissions durning warm-up, pumps air into exhaust. Pump is probably seized. As long as California(emission test) doesn't mind then no harn as is.
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