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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1136 (Engine Cooling System) >> Repair Instructions >> Coolant Heater Replacement (LP1, LY7) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn the ignition OFF.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Disconnect the coolant heater cord from the coolant heater.
    4. Fig 1: View Of Coolant Heater - LY7, KO5
    GM1312571Courtesy of GENERAL MOTORS CORP.
  4. Remove the coolant heater.
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