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Old 02-17-2009, 12:51 AM
StoneJoe StoneJoe is offline
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Re: 2002 has tapping noise after cold start-up

Hmm sounds like a defective lifter or someone ran bad oil in it. I have the same problem with mine except it has gotton worse and now needs new lifters because of the one thats ticking. Mine actually callapsed the lifter one day when i went out to start it when it was real cold. I had to flush the engine with engine flush to get her un-stuck until i get new ones, You might try flushing yours it may or may not cure your problem depending on if its just dirty or it has a faulty lifter from running bad oil. I suggest running 10-30 pensoil petroleum (my first s-10 went 285,000 miles on pensoil and looked like new when i pulled the valvecovers off and didn't use oil) But there are skeptics who say pensoil has parafin wax in it,Well if it does it sure works good ;-) Also if it still ticks most mechanics don't know this but they do make longer pushrods(Comp Cams) and may cure that annoying tick for you without having to dig too deep.. The stockers are 7.187 inch and the Comp Cams Part #7808-12 are 7.195 inch they also have part #7608-12 which are 7.200 inch which should defiently cure any light ticking noise. Good luck hope this helped..
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