KNOCKING

2009 Nissan Altima

Tiny

stullie

December, 16, 2013 AT 9:45 AM

Why does my 2009 nissan altima 2.5 make a knocking sound when I turn on the heat? It sounds like an engine knock but it stops whey I turn off the heater/blower motor. Is it a bad blower motor.

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1 Answer

Tiny

saturntech9

December, 16, 2013 AT 10:19 AM

With a noise like that I cant hear noise use a long screwdriver to track the noise to its source.

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