Piston knock
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Piston knock
I have a RX 350, 2007. When it is cold out and when I first start the car this tapping noice comes from the engine. I was told it was piston knock. Does anyone know how to get rid of this noice?
ccminar
ccminar
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piston knock
C
#6
It's piston knock or piston slap and there's no way to get rid of it. The pistons are just a hair too small for the cylinder. It really isn't anything that will cause a problem, it's just a pain to listen to. I have it in my RX, better gas will help but you just need the motor to warm up to expand the piston.
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VictPatman
RX - 3rd Gen (2010-2015)
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11-05-18 11:55 AM