I have a 89 pu 4x4 with 192,000 miles on it, runs great no smoke or it doesn't use oil but the valves rattle noticeable, I adjusted them one time and it helped a little. Can I do it again or will it be too much?
I just fixed my 22re's top end and the #3 and #4 exhaust r-arm pads were scored bad! They both had 3 flat spots where they rode on the camshaft, making a god awful ticking- rattling sound. i also had my cyl. head rebuilt too. now it runs whisper quiet!! check your rocker arm pads for uneven wear!
Rocker arm ass. is not very difficult but you'll have to remove the head bolts to change it out or repair. Cooling system has to be completely drained first. Best to take it to a reputable mechanic if you arent experienced.
Hereare some pixof the 2 rocker arms, Kinda fuzzy though. You can kinda see the pitting in the adjuster stud on the right. The 2nd pic you can see the three wear spots on the cam pad. Each time the cam lobe hit it i got a tap. You can imagine how that sounded every time the cam went around it.
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