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. 2007-10 Cobalt & G5
Warning: Gasoline or gasoline
vapors are highly flammable. A fire could occur if an ignition source is
present. Never drain or store gasoline or diesel fuel in an open container,
due to possibility of fire or explosion. Have a dry chemical (Class B) fire
extinguisher nearby.
...
Chevrolet Cobalt Owners Manual
Chevrolet Cobalt Service Manual
Evaporator Core, Replace
Heater Core, Replace