Mopar 68005277AB Piston

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Make sure that there are no ridges at the upper limits of ring travel before you take out the piston/rod assemblies; if there are, get rid of them. Position the crankshaft upwards to turn on the engine. In case they exist, use feeler gauges to measure connecting rod endplay and refer to an automotive machine shop. Note down all connecting rods and caps for identification purposes. Loosen (the bolts or nuts) that connect the cap to the bearing insert and retaining it in place. Push out the assembly of rod/piston through top of the engine. Repeat for remaining cylinders Reinstall connecting rod caps by inserting bearing inserts and finger tightening cap bolts or nuts The pistons with their respective connecting rods can now be inspected and overhauled Check end gaps of new piston rings prior to their installation Arrange all piston/rod assemblies together with new rings Put top ring into first cylinder and measure gap using a feeler gauge Adjust width as required Do likewise for every ring in every cylinder Having established/corrected end gaps, position rings onto pistons Install oil control ring first into number three, number two and then number one before mounting other rings Be sure that cylinder walls are clean, chamfered at each bore's top edge number one rod cap is removed from its end Clean surfaces carrying bearings on its face Lower and upper bearing inserts are inserted into a cap Insert piston/ring assembly through it until it reaches a point where fuel injectors align Apply lubrication to surfaces between piston rings Pour some clean engine oil onto these parts Attach compressor onto this piston Repeat above steps starting from zero Journal 1 lowermost point after applying oil between liners very gently slide this entire assembly within cylinder 1 keeping tapping upper side so as to guide it correctly next examine clearance regarding bearing oil of connecting rod before fixing permanently Plastigage will help in determining whether adjustments for clearance should be made Clean bearing faces or apply grease or lube Insert rod back onto journal and bolt cap on before tightening nuts/bolts until torque requirements Match all the other pistons/rods Do a manual rotation of crankshaft in ascertaining this. Finally, recheck connecting rod endplay.