GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1422755  Size: SH
  1. Disconnect the coolant heater cord (2) from the coolant heater (1).

  2. Object Number: 1422757  Size: SH
  3. Disconnect the coolant heater cord (1) from the cord retainers (2).
  4. Remove the coolant heater cord (1) from the vehicle.

Installation Procedure


    Object Number: 1422757  Size: SH
  1. Route the coolant heater cord (1) as illustrated, in the engine compartment.
  2. Connect the coolant heater cord (1) to the cord retainers (2) .

  3. Object Number: 1422755  Size: SH
  4. Connect the coolant heater cord (2) to the coolant heater (1).