Jeep 53022413AA DAMPER-CRANKSHAFT

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Disconnect the cable from the negative terminal of the battery. Remove the upper radiator crossmember, the cooling fan assembly, and the radiator. Take off the engine splash shield. Remove the drivebelts and position the belt tensioner away from the crankshaft pulley. Use a strap wrench around the crankshaft pulley to hold it while using a breaker bar and socket to remove the crankshaft pulley center bolt; a chain-type wrench may be used if an old drivebelt or rag is wrapped around the crankshaft pulley first. Pull the damper off the crankshaft with a puller, ensuring the puller jaws contact only the hub of the pulley and not the outer ring. A spacer should be placed against the end of the crankshaft nose or a long Allen-head bolt should be inserted into the crankshaft nose for the puller's tapered tip to push against, preventing damage to the crankshaft threads. Check the surface on the pulley hub that the oil seal rides on; if it has been grooved, a press-on sleeve may be available to renew the sealing surface, which can be pressed into place with a hammer and a block of wood. Lubricate the pulley hub with clean engine oil and reinstall the crankshaft pulley using a vibration damper installation tool to press it onto the crankshaft. Install the crankshaft pulley retaining bolt and tighten it to the specified torque. The remainder of the installation follows the reverse order of removal.

Remove the engine drive belt, drain the coolant, detach the upper radiator hose, and take out the engine cooling fan.

It is important to ensure that the jaws of the puller only contact the hub of the pulley and not the outer ring.

Finally, reinstall the remaining components in the reverse order of removal.