Air Conditioning Evaporator Thermal Expansion Valve Replacement
Special Tools
GE-39400-A Halogen Leak Detector
For equivalent regional tools, refer to Special Tools .
Removal Procedure
- Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
- Unclip brake pipes.
- Loose the air conditioning evaporator hose (1) from A/C evaporator TXV.
- Remove the 2 A/C TXV bolts (2).
- Remove the TXV (3).
Installation Procedure
Caution: Refer to Fastener Caution in the Preface section.
- Install A/C TXV (3) and the 2 A/C TXV bolts (2) and tighten to 15 N·m (11 lb ft).
Note: Use NEW O-ring seals. Refer to Air Conditioning O-Ring Seal Replacement .
- Install air conditioning evaporator hose (1) to A/C evaporator TXV (3). Refer to Air Conditioning Evaporator Hose Assembly Replacement .
- Install brake pipes.
- Evacuate and charge the refrigerant system. Refer to Refrigerant Recovery and Recharging .
- Leak test the fittings using the GE-39400-A detector.
© Copyright Chevrolet. All rights reserved |
© Copyright Chevrolet. All rights reserved |