Question about Cars & Trucks
I took the valve covers off and cleaned the top of the head, the shaft and the rocker arms and lubricated all. and put all back on and when cranked it up i heard the clicking
Change the oil and filter. Hopefully you did not clog the screen on the oil pump, if you did you will have to pull the oil pan and clean it.
Posted on Dec 01, 2014
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Posted on Jan 02, 2017
SOURCE: 93 festiva engine valve noise
You would have to read the tech manual to see if they are just shims or if the are a hydraulic type lifter. They would actually pump up with oil and hold slight pressure on the cam so there would not be the tappet noise associated with a solid lifter cam. Odds are they got gummed up and started tapping on you. Hopefully you marked the cylinders they came off of and placed them back in the same location on the cylinder head as originally installed. You don't want premature cam failure because of the mismatched wear patterns on the lifters. Good Luck, RAC
Posted on Apr 21, 2009
My '96 Jetta had the same issue...I was told bad head gasket...well my car never warmed up more than around 160 degrees....come to find the thermostat was shot...replaced it, now it hits 190 and no more foam in the rocker cover...GL!
Posted on Apr 24, 2009
How many miles?
Could be a bent pushrod.
Could be just a high mile engine that needs overhauld.
Could be you engine needs higher octane fuel...as engines get older and worn they will benifit from higher octane.
Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/sean_54c3a3dc48a7773c
Posted on Sep 14, 2009
SOURCE: After having heads rebuilt and
Replace the adjustment nuts with new ones, they are a special type of nut that keeps its setting by friction between the crimp and the threads, this friction is given by a slight crimp to the nut that makes it out of round near the top of the treads, u can also install a product to the threads called Loctite red thread lock, U can also buy locking rocker arm adjustment nuts that use an allen screw to "lock" in the adjustment, these are avail from amny speed shops, one i use is Summit racing, another is Jegs speed, please keep in mind that other factors can cause this, one is low oil pressure caused by a camshaft bearings not being installed correctly, there are holes that allow oil to flow properly, if they are not lined up correctly to the block oil gallery then this can starve the lifter for oil pressure and they get noisy.
Posted on Sep 14, 2010
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