- Jun 4, 2006
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U mean the oil pump spring..? Maybe I should try that on my next service. Remove the oil sump and add shims to the spring.speed, although a thicker oil wud also be a good solution, but ur engine wont be necessary be quieten down after changing to a thicker oil.
what ive done to my 4g91 was, i added a thick shim to pre-tention the oil relieve valve, and the sound went away. iam using a 15w-40 and the noise isnt there during morning start. pm for service, tq
I added shims under my lifters. has been silent for some time. But after one of the water stoppers on my engine came off and drained all waters in my engine and causes overheating, the rattles came back... Sienz... Maybe until I can't bare the noise, I'll change to non ticking lifters...