REMOVAL - 2.7L
NOTE: It is normal for the water pump to weep a small amount of coolant from the weep hole (black stain at weep passage). Do not replace the water pump if this condition exists. Replace the water pump if a heavy deposit or a steady flow of engine coolant is evident on side of the cylinder block from the weep hole passage (shaft seal failure). Be sure to perform a thorough analysis before replacing water pump.
WARNING: DO NOT REMOVE PRESSURE CAP WITH THE SYSTEM HOT AND PRESSURIZED. SERIOUS BURNS FROM COOLANT CAN RESULT.
Disconnect negative battery cable.
Drain cooling system (Refer to 7 - COOLING/ENGINE - STANDARD PROCEDURE).
NOTE: The water pump is driven by the primary timing chain.
Remove the timing chain cover, timing chain, and all chain guides
Remove upper intake manifold. (Refer to 9 - ENGINE/MANIFOLDS/INTAKE MANIFOLD - REMOVAL)
Remove cylinder head covers, crankshaft vibration damper, and timing chain cover. (Refer to 9 - ENGINE/CYLINDER HEAD/CYLINDER HEAD COVER(S) - REMOVAL) (Refer to 9 - ENGINE/ENGINE BLOCK/VIBRATION DAMPER - REMOVAL) (Refer to 9 - ENGINE/VALVE TIMING/TIMING BELT / CHAIN COVER(S) - REMOVAL)
CAUTION: When aligning timing marks, always rotate engine by turning the crankshaft. Failure to do so will result in valve and/or piston damage.
Align crankshaft sprocket timing mark to mark on oil pump housing (TIMING MARK ALIGNMENT). The mark on oil pump housing is 60 degrees ATDC of #1 cylinder.
CAUTION: When the timing chain is removed and the cylinder heads are still installed, DO NOT rotate the camshafts or crankshaft without first locating the proper crankshaft position. Failure to do so will result in valve and/or piston damage.
Remove power steering pump and bracket as an assembly. Do not disconnect power steering lines from pump. Reposition pump and support with suitable retaining strap.
Remove primary timing chain tensioner retainer cap and tensioner from right cylinder head (PRIMARY TIMING CHAIN TENSIONER).
Disconnect and remove camshaft position sensor from left cylinder head (TIMING DRIVE SYSTEM - PRIMARY).
Remove timing chain guide access plugs from cylinder heads (TIMING DRIVE SYSTEM - PRIMARY).
NOTE: When camshaft sprocket bolts are removed, the camshafts will rotate in a clockwise direction.
Starting with the right camshaft sprocket, remove the sprocket attaching bolts. Remove camshaft damper (if equipped) and sprocket (TIMING DRIVE SYSTEM - PRIMARY).
Remove left side camshaft sprocket attaching bolts and remove sprocket (TIMING DRIVE SYSTEM - PRIMARY).
Remove lower chain guide and tensioner arm (TIMING DRIVE SYSTEM - PRIMARY).
Remove the primary timing chain.
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Remove bolts attaching water pump to block (WATER PUMP - 2.7L).
Remove water pump and gasket.
This is the proceedure from the chrysler shop manual if you have any problems let me know. Do yourself a favor and avoid potential bent valves!!!
REPLACE THE PRIMARY CHAIN TENSIONER ASSEMBLY, DON'T WASTE YOUR TIME ATTEMPTING TO RESET IT, IT DOESN'T ALWAYS WORK.
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