How do I troubleshoot water pump? With tension, serpentine runs off pulley.

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Wife got stranded when she heard loud rattling noise and noticed coolant from under front of engine. Then we saw that serpentine belt runs off of water pump-fan pulley. When I put belt back on and re-tension, it runs 1-2 way off as soon as I start the engine. Possible for pulley to come loose and tilt down under pressure?

740 Black Beauty in Potwin KS

Jun 25, 2013

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RepairPal Certified shops can diagnose and repair your 1997 BMW 740iL. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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How do I troubleshoot water pump? With tension, serpentine runs off pulley.

What is your question?

740 Black Beauty in Potwin KS

Jun 25, 2013

2 Replies

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conoco65452on Jun 26, 2013

take to a shop an have it pressure tested to find the leak

McDaddy2Uon Oct 1, 2013

Replace Belt an Pully

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Popular Answer

What are the best BMW repair shops?

RepairPal Certified shops can diagnose and repair your 1997 BMW 740iL. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.