Question about 2003 Chevrolet Impala

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How to replace heater hose bypass fitting on 03 impala

How to replace heater hose fitting on 03 impala 3800. It is a L-shaped plastic fitting appr. 3/4" diameter with O-ring on both ends. Thanks in advance.

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You need to buy the fittings first they are sold by a company called HELP motormite. Very common to go bad. You will need to buy or borrow springlock tool. Are sold seperately or in a set. What they are is a garter spring that will disconnect quick connector on fittings. The parts store will have them too.

Posted on Jun 07, 2010

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