Water Pump Installation

WARNING: This page is about a different car, the 2002 GMC Savana and 2002 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required

J 41240 Fan Clutch Remover and Installer

If reusing the fasteners, apply sealant GM P/N United States 12346004, GM P/N Canada 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 1: Water Pump Bolts
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 2: Water Pump Inlet Hose & Clamps
Courtesy of GENERAL MOTORS CORP.
Install the fan and water pump pulley and bolts using the J 41240 .
Tighten

Tighten the fan and water pump pulley bolts to 25 N.m (18 lb ft).

Fig 3: Installing Fan, Water Pump Pulley & Bolts Using J 41240
Courtesy of GENERAL MOTORS CORP.