02 Envoy valvetrain noise

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Re: 02 Envoy valvetrain noise Dkad56 #95400 04/14/19 03:20 AM
Joined: Jul 2018 Posts: 13 Brownsburg Indiana K Kenny Active BB Member
Kenny Active BB Member K Joined: Jul 2018 Posts: 13 Brownsburg Indiana	I had a loud top end knock. Change to delo 15w40 diesel oil and it went away. Thats all I run in it now.

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Inliners International Forums General Discussion Vortec 4200 02 Envoy valvetrain noise