Jeep 4713439 Valve Tappet Package

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This can be initiated by taking out the manifold assembly, and then the cylinder head. Third, to remove the Lash Adjusters, tighten special tool No. C-4129 firmly into the head of every Lash Adjuster and twist it off. Lash Adjusters should be arranged, by numbering or having names on them or put in numbered rack. Go ahead and take out the timing gears and chain and then follow by distributor and oil pump and finally the fuel pump. For ease of withdrawal of the camshaft it is advisable to place a long bolt at the front of it. Gently remove the camshaft in order not to have the cam bearings scratched by the cam lobes. Camshaft lobes and the bearing journals have to be lubricated with the engine assembly lube before the installation of the camshaft. Lastly, fit the camshaft back in place but make a sure that the Lash Adjusters are well positioned in the correct orientation as they head the list among the components that should not be twisted while fitting those that follow the reverse sequence of removal.

Measure the inside diameter of each camshaft bearing and the bearing journals with a micrometer to check for excessive wear or out-of-round conditions, calculating oil clearance to determine if new bearings are necessary.

Install the camshaft thrust plate and chain oil tab, applying engine assembly lubricant to the thrust plate mating surface and ensuring the tang on the oil tab engages in the thrust plate hole.

Reverse the removal steps, applying moly-base grease, engine assembly lube, or clean engine oil to the lifters.