Tools Required

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

J 41240 Fan Clutch Remover and Installer. See Special Tools .

Fig 1: View Of Water Pump & Bolts

Courtesy of GENERAL MOTORS CORP.

If reusing the fasteners, apply sealant GM P/N 12346004 (Canadian P/N 10953480) or equivalent, to the threads of the water pump bolts.
Install the water pump and the NEW water pump gaskets.

NOTE: Refer to Fastener Notice .

Install the water pump bolts.
Tighten: Tighten the water pump bolts to 45 N.m (33 lb ft).

Fig 2: View Of Water Pump Inlet Hose & Clamps

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: After final assembly, the water pump inlet hose clamp tangs, water pump end, must point forward and the upper tang should be level with the outside diameter of the water pump inlet hose.

Install the water pump inlet hose and the water pump inlet hose clamps.

Fig 3: View Of Fan, Water Pump Pulley & Bolts

Courtesy of GENERAL MOTORS CORP.

Install the fan and water pump pulley and bolts using the J 41240 . See Special Tools .
Tighten: Tighten the fan and water pump pulley bolts to 25 N.m (18 lb ft).