Mechanics

BELT TENSIONER

2011 Toyota Camry • 2.5L 4 cylinder FWD Automatic • 107,000 miles

When I turn on the ac unit my car sounds like it is knocking I was told it was the belt tensioner but I looked online for instruction on how to change it if that's the problem I need instruction on how to change it if that is what's wrong with it thanks for reading
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Cpolk2014
June 2, 2014.




The belt tensioner shouldn't change when the AC is turned on. Most likely the AC compressor is making the noise. Open the hood and have a helper turn on the AC and listen to see if the compressor is where the noise is coming from.



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