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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 427 (Engine Mechanical - 4.8L, 5.3L, & 6.0L (Unit Repair)) >> Repair Instructions >> Water Pump Installation

Water Pump Installation

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: DO NOT use cooling system seal tabs, or similar compounds, unless otherwise instructed. The use of cooling system seal tabs, or similar compounds, may restrict coolant flow through the passages of the cooling system or the engine components. Restricted coolant flow may cause engine overheating and/or damage to the cooling system or the engine components/assembly.
IMPORTANT: All gasket surfaces to be free of oil or other foreign material during assembly.
  1. Install the water pump and NEW gaskets.
    NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  2. Install the water pump bolts.

    Tighten 

    1. 2.1. Tighten the water pump bolts first pass to 15 N.m (11 lb ft).
    2. 2.2. Tighten the water pump bolts final pass to 30 N.m (22 lb ft).
    Fig 1: Water Pump & Bolts
    G01674974Courtesy of GENERAL MOTORS CORP.
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