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Re: Can the rocker arms of a 1997 jeep grand cherokee...
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.
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its in the FSM. want to read that for free.
see chapter marked ENGINE>
chapter 9
ZJ jeep it is.
there is no such thing,
sorry
here ill paste the install push rods/rockers. lines
(1) Rotate the crankshaft until the "V8" mark lines
up with the TDC mark on the timing chain case
cover. This mark is located 147° ATDC from the No.1
firing position.
(2) Install the push rods in the same order as
removed.
(3) Install rocker arm and pivot assemblies in the
same order as removed. Tighten the rocker arm bolts
to 28 N·m (21 ft. lbs.) torque.
CAUTION: DO NOT rotate or crank the engine during
or immediately after rocker arm installation.
Allow the hydraulic roller tappets adequate time to
bleed down (about 5 minutes).
(4) Install cylinder head cover.
(5) Connect spark plug wires.
end. quote.
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
What motor do you have? The V8, you can remove just the intake manifold and the valve covers/rocker arms to remove the lifter. The V6, I believe you need to remove the head to access the lifters.
this is the way i adjust tappets remove all spark plugs
153
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624
draw this on a paper
u start with no1 get the valves rocking which means turn engine over by hand til no 1 rockers one rocker is going up and the is going down u may have to turn the engine back and forth slowly
to see it . once u have no 1 rocking u can adjust no 6 valves adjust them with a little clearance so the push rod still spins freely
once u have made these adjustments recheck firing order 153624
try and restart engine if it starts the turn all rocker ajuster a further 1/4 of a turn and your done u may have too wait a bit of time for the liffters to bleed down after u do final adjustment if it dont start
hope it helps please leave rating and if u need more help let me know
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