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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1021 (Engine Mechanical - 8.1L) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Water Crossover Removal

Water Crossover Removal

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the drive belt tensioner bolts.
  2. Remove the drive belt tensioner.
    3. Fig 1: View Of Drive Belt Tensioner
    GM470789Courtesy of GENERAL MOTORS CORP.
  3. Remove the thermostat bypass hose and clamps.
    4. Fig 2: Thermostat Bypass Hose & Clamps
    GM470692Courtesy of GENERAL MOTORS CORP.
  4. Remove the engine coolant crossover bolts.
  5. Remove the engine coolant crossover.
  6. Remove the crossover gaskets.
    7. Fig 3: View Of Engine Coolant Crossover & Gasket
    GM470698Courtesy of GENERAL MOTORS CORP.
  7. Remove the water outlet bolts/studs (310).
  8. Remove the water outlet (311).
  9. Remove the thermostat (312) from the coolant crossover (308).
    10. Fig 4: View Of Water Outlet, Bolts, Thermostat & Coolant Crossover
    GM1309968Courtesy of GENERAL MOTORS CORP.
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