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Re: brief duration warm-up noise, driver's side bank
Posted to Technical Discussion Forum on 1/24/2020 2 Replies

The cam timing is done with what is essentially a vane type motor/actuator. Oil directed from the solenoid which is a variable flow valve, pushes the cam timing from neutral to where ever the PCM directs it to.

If the noise is only during warm up I have doub... Login to read more.

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