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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 174 (Engine Cooling System) >> Repair Instructions >> Coolant Heater Cord Replacement (LCV, LTG) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Remove the intake manifold. Refer to Intake Manifold Replacement .
  3. If equipped with AWD, remove the front propeller shaft. Refer to Front Axle Propeller Shaft Replacement (LGX, LTG) .
  4. Fig 1: Engine Coolant Heater Cord Connector And Starter Solenoid Cable
    GM2829732Courtesy of GENERAL MOTORS COMPANY
  5. Remove the engine coolant heater cord connector (1) from the engine coolant heater.
  6. Remove the starter solenoid fastener (2) and remove the starter solenoid cable (3).
  7. Fig 2: Starter Solenoid Ground Cable
    GM2829733Courtesy of GENERAL MOTORS COMPANY
  8. Remove the right upper tie bar extension frame rail fastener (2) and remove the starter solenoid ground cable (1).
  9. Detach the heater cord retainer (3).
  10. Fig 3: Pre-Fuse Block
    GM2829735Courtesy of GENERAL MOTORS COMPANY
  11. Remove the following from the pre-fuse block:
    • Battery Jumper Post Cover (1).
    • Pre-Fuse Block Cover (2).
    • Battery Positive Barrel Retainer (3).
    • Battery Positive Cable (4).
    • Starter Solenoid Cable (5).
  12. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (ATS) .
  13. Fig 4: Cable Ground Fastener
    GM2829728Courtesy of GENERAL MOTORS COMPANY
  14. Remove the starter solenoid cable ground fastener (1) and the starter solenoid cable (2), from the engine block.
  15. Fig 5: Starter Solenoid Cable Retainers
    GM2829736Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The coolant heater cord is attached to the starter solenoid cable.

  16. Detach the starter solenoid cable retainers (1) from the engine harness and remove the starter solenoid cable (2) from the engine compartment.