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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1115 (Engine Cooling System) >> Repair Instructions >> Water Outlet Housing Replacement (LA1) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Thermostat (3.4L)
    GM30995Courtesy of GENERAL MOTORS CORP.
  1. Install the thermostat.
    2. Fig 2: Water Outlet Housing & Bolts
    GM30962Courtesy of GENERAL MOTORS CORP.
  2. Install the thermostat housing and gasket.
  3. Install RTV sealer (GM P/N 1052366 or the equivalent) to the thermostat housing bolt threads.
    4. Fig 3: Identifying Radiator Inlet Hose & Water Outlet Housing
    GM70064Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install the thermostat housing bolts.

    Tighten:  Tighten the bolts to 25 N.m (18 lb ft).

  5. Install the radiator hose to the thermostat housing.
  6. Install the crossover exhaust pipe. Refer to Exhaust Crossover Pipe Replacement (LA1) or Exhaust Crossover Pipe Replacement (LY7) in Engine Exhaust.
  7. Install the air cleaner and duct assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls-3.4L.
  8. Fill the cooling system. Refer to Draining and Filling Cooling System .
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