Question about Cars & Trucks
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Posted on Jan 02, 2017
This car has hydraulic lifters( tappets} therefore should not adjustment, you probably have a bad or weak lifter. But, in any case you have to remove the valve covers to make the adjustment. You will see the adjustable bolt on the rocker arm. rotate the engine until the valve is all the way to the top, [no tension on the valve spring] then place a feeler Gage in between the rocker arm and the valve stem, adjust the rocker arm until the feeler Gage is snug but not tight. Do this with each valve. Check the book for the correct Gage to use but I think it is a .018.
Posted on May 15, 2008
First thing to do is change oil and filter. Hopefully it has not done this long and has hard faced the shims. Good luck and have a good day.
Posted on Apr 05, 2009
Hi my name is Tom and I am here to help you.
I drove a diesel Chevy and had the same problem.
I reduced the noise by dropping my oil to a lower viscosity at the low end and keeping the high end the same. i.e. If O.E.M. recommends a 10W30 dropped to a 5W30. This will give you coverage at the high side and lower viscosity at the low end.
There are after market additives which are formulated to lubricate the tappets. Any parts store should be able to recommend which is best. Follow the instructions and do not add too much. They contain a "sticky" nature which could defeat the dropping of your lower viscosity.
I trust this answered your question. If I can be of further help, let me know.
Posted on Jul 06, 2010
SOURCE: i need the tappet setting
There's NO code for noisy lifters. Depending on miles and previous maintenance (oil changes, etc) your lofters are probably worn. They need to be replaced and you might have an oil pressure test done to make sure there's is adequate oil pressure.
Posted on Mar 19, 2011
SOURCE: i have a 1991 ford
These aren't adjustable. You will have to look at the rocker arms and the push rods for wear. I have seen them that the arm is about worn threw and the rod end was about gone.(oval shaped).
Posted on Jul 19, 2011
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