Chevrolet Cobalt Service & Repair Manual: Expansion Valve (TXV), Replace
| 1. |
Evacuate system as outlined under "Refrigerant
Recovery" in "General Service" on main menu selection. |
| 2. |
Reposition heater hoses for clearance. |
| 3. |
Remove evaporator tube block to Thermal
Expansion Valve (TXV) nut, Fig. 1. |
| 4. |
Disconnect evaporator inlet and outlet
tube block from TXV. |
| 5. |
Remove evaporator inlet tube from outlet
tube. |
| 6. |
Remove and discard sealing washers.
Cap off evaporator inlet and outlet tubes. |
| 7. |
Remove TXV to evaporator nut. |
| 8. |
Remove TXV from evaporator core. |
| 9. |
Remove and discard TXV sealing washers. |
| 10. |
Reverse procedure to install, noting
the following: |
| |
a. |
Install new sealing washers onto inlet
and outlet tubes. |
| |
b. |
Torque TXV hose fittings to
62 inch lbs. |
| |
c. |
Torque TXV nut to 15 ft. lbs. |
|
Fig. 1 Expansion Valve (TXV) replacement
The defroster door must be closed
to allow clearance during defroster duct removal.
1.
Evacuate system as outlined under "Refrigerant
Recovery&q ...
1.
Apply park brake.
2.
Shift transmission into neutral.
3.
Remove console shift lever bezel by
carefully li ...
See also:
Chevrolet Cobalt Service & Repair Manual. Passkey Module
On models equipped with the Passkey
Theft Deterrent System, a new password must be learned by the PCM when the
BCM/PCM has been replaced. When the PCM is replaced, the EEPROM calibration
is flashed into the new PCM. Refer to latest GM Techline or equivalent information
for PCM ...
Chevrolet Cobalt Owners Manual
Chevrolet Cobalt Service Manual
Evaporator Core, Replace
Heater Core, Replace