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Old 03-31-2007, 08:07 PM
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Join Date: Sep 2005
Location: Luckenbach, Texas
Posts: 436
Don't worry about that pipe. Or the air pump. Waste your money on something else...it's all smog junk. The AIR system injected the air into a port on the timing chain tensioner. But it has NOTHING to do with the tensioner mechanism, which is driven by oil pressure. Go figure.
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'01 SLK320, '79 450SL & '01 C320 -- What? 3 Mercedes? I am DEFINITELY crazy!!!
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