Question about 1987 Jeep Wrangler
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Posted on Jan 02, 2017
Remove the valve covers. Inspect each rocker arm for wear, cracks or other damage, check the rocker arm abd dykcrum for wear, replace with new ones, they can"t be adjusted.
Posted on Jul 01, 2009
The rockers on the 2.5 motor are hydraulic lifters.They cant be adjusted.If there is a noisy lifter it may be a different problem.What's happening?Hope this helps
Posted on Sep 16, 2009
yeah it needs a new cylinder I see this all the time. The valve stem guide in the head drops and sticks the valve open the rocker and cam lose tension and thats why the rocker keeps breaking. Take the valve cover off the head that your have problems with. remove the rocker put a socket over the valve spring. gently tap the spring down without loosening the keepers. You will notice that the valve will not return to the closed position. I garuntee this is the problem u r have I hate to give u the bad news.
Posted on Nov 05, 2009
A rocker arm is the arm that sits on top of the valve stem and connects to the push rods 'the push rods sit on the cam so when engine is running, the push rods go up and down in a timed sequence and with the rocker arms, open and close the inlet and exhaust valves. the rocker arm is located inside the valve(rocker)cover .If the rocker arm gets loose or comes out.
Check the nuts on the shaft which holds the rocker arms.either the shaft or nuts are got loose.They need to be tightened.Don't make it too tight or too loose. Too tight,and they don't flutter right. Too loose,and they allow the rocker arms to wiggle out of whack. Other possibility can be something is broken, bent, collapsed, or out of adjustment.
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Posted on May 20, 2010
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