Visually inspect the housing and the cover for cracks, corrosion, or damage. Replace the parts if necessary. Inspect the thermostat seal and the thermostat cover…

Use a gasket scraper to remove the gasket material from the mating surfaces of the housing and the cover. Warning: When using a steam cleaner,…

Remove the four thermostat cover capscrews and disassemble the thermostat housing. If the thermostat housing assembly is being replaced, remove the CELECTTM coolant temperature sensor…

Fill the space between the bearing races and the roller bearings with Chevron SRI grease or its equivalent. Prepare the outside diameter surface of the…

Visually inspect the idler pulley for cracks or damage. Visually inspect the pulley grooves for wear or damage. NOTE: If the part being inspected does…

Use solvent to clean the idler assembly parts. Dry with compressed air.

Carefully pry off the cover and the o-ring. Remove the bearing retaining ring from the idler pulley. Support the pulley evenly and push the bearing…

Visually inspect the idler assembly for cracked, chipped, or broken pulley grooves. Turn the idler pulley by hand to inspect the shaft and the bearing…

Warning: When using a steam cleaner, wear protective clothing and safety glasses or a face shield. Hot steam can cause serious personal injury. NOTE: Do…

Use clean 15W-40 oil to lubricate the water pump shaft. Use water pump bearing mandrel, Part No. ST-658, to support a new inner bearing. Install…