GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 Canyon Pickup - 4WD 🢒 HVAC 🢒 Heating, Ventilation, and Air Conditioning 🢒 Evaporator Tube Replacement

Evaporator Tube Replacement LH8


Object Number: 2014725 Size: MF

Callout

Component Name

Preliminary Procedures

  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
  2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.
  3. Remove the grill. Refer to Grille Replacement.
  4. Disconnect the A/C pressure sensor connector.

1

Evaporator Tube and Condenser Nut

Caution: Refer to Fastener Caution in the Preface section.

Tighten
28 N·m (21 lb ft)

2

Sealing Washer

Procedure

Remove and discard seal. Refer to Sealing Washer Replacement.

3

Thermal Expansion Valve Nut

Tighten
9 N·m (80 lb in)

4

Sealing Washer

Procedure

Remove and discard seal. Refer to Sealing Washer Replacement.

5

Evaporator Tube Assembly

Evaporator Tube Replacement LLV, LLR

Special Tools

J 39400-A Halogen Leak Detector

Removal Procedure
  1. Recover the refrigerant from the system. Refer to Refrigerant Recovery and Recharging.

    2. Object Number: 1738605 Size: SH
  2. Remove the evaporator tube nut (1) from the TXV stud.
  3. Remove the evaporator tube (2) from the TXV.

    4. Object Number: 1738609 Size: SH
  4. Remove the evaporator tube from the retaining clips (1) on the fender.

    5. Object Number: 1738611 Size: SH
  5. Remove the grille. Refer to Grille Replacement.
  6. Remove the evaporator tube retaining clip from the condenser.
  7. Remove the evaporator tube attaching bolt (1) at the receiver dehydrator.
  8. Remove the evaporator tube.
  9. Remove the O-ring seal and discard.

Installation Procedure
  1. Install the new O-ring seal. Refer to O-Ring Replacement.
  2. Install the evaporator tube.

    3. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1738611 Size: SH
  3. Install the bolt (1) to the receiver dehydrator. Tighten the nut to 28 N·m (21 lb ft).
  4. Install the evaporator tube retaining clip to the front of the condenser.
  5. Install the grille. Refer to Grille Replacement.

    6. Object Number: 1738609 Size: SH
  6. Install the evaporator tube to the retaining clips (1) on the fender.

    7. Object Number: 1738605 Size: SH
  7. Install the evaporator tube (2) to the TXV.
  8. Install the evaporator tube nut (1) to the TXV stud.
  9. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
  10. Leak test the fittings of the components using the J 39400 .