2007 Wrangler JK Factory Service Manual 7 - COOLING

DESCRIPTION

3.8L ENGINE



The water pump has a die-cast aluminum body and a plastic impeller. It bolts directly to the timing chain case cover, using a rubber seal for sealing . It is driven by the accessory drive belt.

2.8L DIESEL ENGINE



The water pump on the 2.8L diesel has a die cast aluminum housing. It bolts to an aluminum housing which attaches to the engine block.