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Lifter noise at startup


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Hi, I have a 96 Chevy Express Van with the 5.0 l Vortec engine and I get alot of lifter noise during cold startup. It's pretty loud and lasts until the engine fully warms up. My oil press shows good (use Castrol 5w-30) and I put a half-quart of Risone in to no avail. Van runs good, passes emissions, 74k miles only

 

Other Vortec owners have this situation? Remedies?

 

thanks guys

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Hi, I have a 96 Chevy Express Van with the 5.0 l Vortec engine and I get alot of lifter noise during cold startup. It's pretty loud and lasts until the engine fully warms up. My oil press shows good (use Castrol 5w-30) and I put a half-quart of Risone in to no avail. Van runs good, passes emissions, 74k miles only

 

Other Vortec owners have this situation? Remedies?

 

thanks guys

 

 

 

 

Switching to Mobil 1 quieted things down at startup for me. Also a good Top Engine clean helped also but more for knock.

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Use a good quality oil filter such as AC DELCO & PURELATOR

 

these are 2 brands that are known to have superior ANTI DRAIN BACK VALVES

 

I second the Mobil 1 (SYnthetic oil) for reduced lifter noise on start-up. I just switched from Castrol GTX (dino) to Mobil 1 EP and the real difference i can tell so far is the reduce lifter noise on cold start up

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