GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 STS 🢒 Engine 🢒 Engine Cooling 🢒 Coolant Heater Cord Replacement

Coolant Heater Cord Replacement LY7, KO5

Removal Procedure
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

    2. Object Number: 785737 Size: SH
  2. Disconnect the coolant heater power supply cord from the coolant heater (1).
  3. Disconnect the coolant heater cord clip (2) from the coolant heater cord.
  4. Lower the vehicle.
  5. Disconnect the coolant heater cord clips (3, 4) from the following:
    6. • The engine wiring harness conduit
    • The engine oil level indicator tube
  6. Remove the coolant heater cord from the vehicle.

Installation Procedure

    Object Number: 785737 Size: SH
  1. Position the coolant heater power supply cord to the engine.
  2. Route the coolant heater cord along the engine wiring harness conduit.
  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  4. Connect the coolant heater cord to the coolant heater (1).
  5. Secure the coolant heater cord clip (2) to the coolant heater cord.
  6. Lower the vehicle.
  7. Secure the coolant heater cord clips (3, 4) to the following:
    8. • The engine wiring harness conduit
    • The engine oil level indicator tube

Coolant Heater Cord Replacement LH2, K05, KA3

Removal Procedure

    Object Number: 1655864 Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Disconnect the coolant heater power supply cord from the coolant heater.
  3. Lower the vehicle.
  4. Disconnect the coolant heater cord clips from the following:
    5. • The engine wiring harness conduit
    • The engine oil level indicator tube
  5. Remove the coolant heater cord from the vehicle.

Installation Procedure

    Object Number: 1655864 Size: SH
  1. Position the coolant heater power supply cord to the engine.
  2. Route the coolant heater cord along the engine wiring harness conduit.
  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  4. Connect the coolant heater cord to the coolant heater.
  5. Secure the coolant heater cord clip to the coolant heater cord.
  6. Lower the vehicle.
  7. Secure the coolant heater cord clips to the following:
    8. • The engine wiring harness conduit
    • The engine oil level indicator tube

Coolant Heater Cord Replacement LC3

Removal Procedure

    Object Number: 1655864 Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Disconnect the coolant heater power supply cord from the coolant heater.
  3. Lower the vehicle.
  4. Disconnect the coolant heater cord clips from the following:
    5. • The engine wiring harness conduit
    • The engine oil level indicator tube
  5. Remove the coolant heater cord from the vehicle.

Installation Procedure

    Object Number: 1655864 Size: SH
  1. Position the coolant heater power supply cord to the engine.
  2. Route the coolant heater cord along the engine wiring harness conduit.
  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  4. Connect the coolant heater cord to the coolant heater.
  5. Secure the coolant heater cord clip to the coolant heater cord.
  6. Lower the vehicle.
  7. Secure the coolant heater cord clips to the following:
    8. • The engine wiring harness conduit
    • The engine oil level indicator tube

Coolant Heater Cord Replacement V6


Object Number: 1980038 Size: MF

Callout

Component Name

Preliminary Procedure

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.

1

Engine Heater Cord Female Connector

2

Ground Wire Bolt

Caution: Refer to Fastener Caution in the Preface section.

Tighten
12 N·m (106 lb in)

3

Plastic Clip (Qty: 3)

4

Coolant Heater Cord