Chevrolet Canyon And Colorado Heater Core Removal Procedure?

Chevrolet Canyon And GM Colorado Heater core removal.
The details to perform this replacing is mentioned in this chapter.

The complete step by step instructions with proper details to replace Chevy heater core is as follows:-----

1. Disable the air bag system.
2. Disconnect the negative battery cable.
3. Drain the engine cooling system.
4. Discharge and recovery the A/C refrigerant using approved recycling equipment.
5. Remove or disconnect the following:
   
   
   Glove box door

   A pillar trim panels

   Door sill plates

   Hinge pillar trim panels

   Lower center instrument panel extension

   Accessory trim plate panel

   Radio

   A/C-heater control panel

   Center air outlets

   Left and right air outlets

   Knee bolster trim panel and bolster

   Instrument luster bezel

   Instrument cluster

   Headlight switch

   Daytime running light sensor

   Upper 3 instrument panel nuts

   Upper HVAC module screws

   Instrument panel screws at instrument cluster and glove box openings

   Hazard warning light connector

   Six passenger air bag fasteners and passenger air bag module

   Two screws in passenger air bag opening

   Open the left side compartment and remove the screw

   Screw at the back of the center storage compartment

   Grasp the lower edge of the center storage compartment and the right lower edge of the instrument panel and pull out to disengage the clips

   Partially pull out the instrument panel from the carrier

   Release all the wiring harness clips from the instrument panel
6. With the aid of an assistant, carefully remove the instrument panel.
7. Disconnect the heater hoses from the HVAC module.
8. Disconnect the A/C lines from the thermal expansion valve.
9. Disconnect all HVAC module electrical connectors.
10. Remove the HVAC module retaining screws from the firewall
11. Remove the HVAC module.
12. Remove the core pipe clamp screws and clamp.
13. Remove the heater core from the HVAC module.

To install:

1. Install or connect the following:
   
   
   Heater core to the HVAC module

   Heater core pipe clamp screws and clamp

   HVAC module

   HVAC module retaining screws at the firewall

   HVAC module electrical connectors

   A/C lines at the thermal expansion valve

   Heater hoses to HVAC module

   With the aid of an assistant, carefully install the instrument panel

   Wiring harness clips to instrument panel

   Push the lower edge of the center storage compartment and the right lower edge of the instrument panel in to engage the clips

   Screw at the back of the center storage compartment

   Screw inside the left side compartment

   Two screws in passenger air bag opening

   Hazard warning light connector

   Passenger air bag fasteners and passenger air bag module. Tighten the fasteners to 80 inch lbs. (9 Nm).

   Instrument panel screws at instrument cluster and glove box openings

   Upper HVAC module screws

   Upper 3 instrument panel nuts

   Daytime running light sensor

   Headlight switch

   Instrument cluster

   Instrument luster bezel

   Knee bolster trim panel and bolster

   Left and right air outlets

   Center air outlets

   A/C-heater control panel

   Radio

   Accessory trim plate panel

   Lower center instrument panel extension

   Hinge pillar trim panels

   Door sill plates

   A pillar trim panels

   Glove box door
2. Charge the A/C refrigerant using approved equipment.
3. Refill the cooling system.
   1. Enable the air bag system.
4. Connect the negative battery cable.
5. Run the engine to normal operating temperatures; then, check the climate control operation and check for leaks.

These details will help.

Thanks.           

FOR MORE HELP GO TO: ---

Car repair guide?

http://technoanswers.blogspot.in/2012/03/car-repair-guide.html