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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 710 (Engine Cooling System) >> Repair Instructions >> Coolant Heater Replacement (3.8L) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM  .
  2. Raise and support the vehicle. Refer to JACKING AND LIFTING in General Information.
  3. Disconnect the coolant heater cord from the coolant heater.
  4. Loosen the bolt at the coolant heater but DO NOT remove the coolant heater bolt.
  5. Remove the coolant heater.
  6. Remove and clean any burrs, compound, paint, or rough spots from the core plug hole.
    Fig 1: Disconnecting Coolant Heater Cord From Coolant Heater (3.8L)
    G02084105Courtesy of GENERAL MOTORS CORP.
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