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For each valve, rotate the crankshaft until the valve lifter rests
on the heel (base circle) of the camshaft lobe. Position the rocker
arm(s) over the push rods, then install the rocker arm seats. Tighten
the rocker arm seat retaining bolts to 44 inch lbs. (5 Nm).
Final-tighten the rocker arm retaining bolt(s) to 19-25 ft. lbs.
(25-35 Nm). For final tightening, the camshaft may be in any position.
Locate a repair manual (CHILTONS) <-- is best; and look up the torque specifications.
Once you have located this information, take of one valve cover at a time. With the torque wrench, (engine running) tighten up each rocker arm that is "ticking" or "loose" to the proper torque spec - or until it stops ticking. You will want to work quickly so you don't start to spray oil.
You can torque these with engine off, but start engine with cover removed to tighten them up until they stop ticking.
I suggest also speaking with certified mechanic about this and if there are other certain procedures for this as well. I have personally done it this way (successfully), however, it is always best to get a second and/or third opinion. I have also had a mechanic do this as I watched him as well.
Please let me know if you need further assistance.
i do not know of a bulb on the engine, there is a knock sensor,you first need to have the engine scanned for codes.then trace the code problem. also you may have lifters or rocker arms noisy. is engine oil black or low?if so change oil and filter.hope this helps
the rocker arms must be tightend at a neutral position in the motors rotation to prevent valve to piston clearance problems.
on v8 turn the engine by hand until the v8 mark on the dampner lines up to the tdc or zero mark,do not rotate the engine until done
bolt down the rockers then allow 5 min for the hydraulic lifters to bleed down ,then torque the rocker bolts to 200 in-lbs as the rockerss are tightned make sure the pushrods seat properly in the lifter.