Trooper LS V6-3.5L (1998)
Water Pump: Service and Repair
REMOVAL
1. Disconnect battery ground cable.
2. Drain coolant.
3. Radiator hose (on inlet pipe side).
4. Remove timing belt. Refer to Timing Belt.
5. Remove Idle pulley.
6. Remove water pump assembly.
7. Remove gasket.
INSPECTION
Make necessary repair and parts replacement if extreme wear or damage is found during inspection. Should any of the following problems occur, the
entire water pump assembly must be replaced:
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Crack in the water pump body
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Engine Coolant (EC) leakage from the seal unit
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Play or abnormal noise in the bearing
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Cracks or corrosion in the impeller.
INSTALLATION
1. Install gasket, clean the mating surface of gasket before installation.
2. Install water pump assembly and tighten bolts to the specified torque.
Torque: 25 Nm (18 ft. lbs.)
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Tightening order
The tightening order are in the illustrate.