Re: fuel pump

Posted by fred kanter On 2011/7/24 0:14:03

I find that much is to be learned by finding and diagnosing malfunctions. When something does not make sense it's good to figure out why. A fuel pump is a reciprocating device and the arm rubs on the fuel pump eccentric. The sound you describe as that of a water pump bearing is a sound made by a rotating device. Fuel pumps do not make that sound which is that of a vibration.

With a listening device put to the fuel pump body, the arm pivot pin or the timing cover area you can locate the noise more closely. When trying to diagnose a noise I find it helpful to remove the belts which reduces most background noise OR points to the water/PS pump as the source.

What could be wrong with the FP is perplexing, if it is indeed defective and you bought it from Kanter it is covered by our lifetime limited warrantee.

My intent was and is to assist you. Sometimes the outcome of a more extensive diagnosis can yield surprising results.