replace of a evaporator in chevy truck
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Filed Under (Chevrolet) by admin on 05-07-2010
1. Disconnect the underhood lamp electrical connector, if equipped. 2. Remove the hood. 3. Remove the PCM. 4. Remove the coolant recovery tank. 5. Disconnect the electrical connectors from the grille mounted lamps, If equipped. 6. Remove the right front headlamp assembly. 7. Remove the front bumper. 8. Remove the right wheelhouse panel. 9. Disconnect the radio antenna cable. 10. Disconnect the electrical connector for the horn. 11. Remove the right fender. 12. Remove the blower motor resistor. 13. Remove the accumulator. 14. Remove the evaporator tube. 15. Remove the evaporator and blower module heat shield mounting screws. 16. Remove the evaporator and blower module heat shield. IMPORTANT: Retain the evaporator and blower module heat shield mounting bracket for installation. 17. Remove the evaporator and blower module mounting bolts and nuts. 18. Remove the evaporator and blower module from the vehicle.
Filed Under (Mazda) by admin on 06-12-2010
To prevent system contamination, whenever the evaporator core is replaced, also replace the receiver/drier. NOTE: The evaporator core is not separately serviceable, it is serviced only with the evaporator core housing assembly. NOTE: If an evaporator core leak is suspected, the evaporator core must be leak tested before it is removed from the vehicle; see—– 07-10 A/C EVAPORATOR / CONDENSER CORE ONVEHICLE LEAK TEST . 1. Remove the evaporator core housing. See 07-11 EVAPORATOR CORE HOUSING REMOVAL / INSTALLATION . 2. Transfer the components from the old evaporator core housing to the new evaporator core housing. 3. Install the evaporator core housing. See 07-11 EVAPORATOR CORE HOUSING REMOVAL / INSTALLATION . 1. Disconnect the blower motor and blower motor resistor electrical connectors. 2. Disconnect the heater hoses. a. Using suitable tools, clamp-off the heater hoses. b. Release the clamps and disconnect the heater hoses. 1. Detach the pin-type retainer and position aside the windshield washer hose. 2. Disconnect the vacuum supply hose near the evaporator core housing. 3. Disconnect the condenser to evaporator line spring lock coupling from the evaporator core inlet. See 07-10 SPRING LOCK COUPLING . • Discard the O-ring seals. NOTE: The following step is performed at the lower passenger side dash panel, inside the passenger compartment.Disconnect the vacuum hose connector and remove the nut.
Filed Under (Ford) by admin on 26-04-2010
SPECIAL TOOL(S) 1. Remove the condenser to evaporator line. 3. Index mark the condenser to evaporator line. Disconnect the two halves of the condenser to evaporator line. 4. Inspect the evaporator core orifice for damage. 5. Holding the special tool T-handle stationary, rotate the special tool body to remove the evaporator core orifice. 6. Screw the end of the special tool into the broken evaporator core orifice. 7. Holding the special tool T-handle stationary, rotate the special tool body to
remove the broken evaporator core orifice. 1. Install new O-ring seals on the evaporator core orifice.
Lubricate the new O-ring seals with PAG oil or equivalent.
Filed Under (Acura) by admin on 02-08-2010
1. Recover the refrigerant with a Recovery/Recycling/Charging System. 2. Remove the dashboard lower cover, the knee bolster and the glove box. 3. Remove the ECM. 4. Remove the ABS control unit and the radiator fan control module together with the bracket, then remove the TCM. Remove the security control unit. 5. Disconnect the connectors from the power transistor, blower motor high relay, evaporator temperature sensor, blower motor and the heater sub- harness, then remove the blower motor and heater subharness connectors from the brackets. Disconnect the passenger’s airbag harness clip. 6. Remove the wire harness clips, the three self-tap- ping screws and the pipe cover. 7. Remove the expansion valve covers, then disconnect the suction line and unbolt the expansion valve from the evaporator. NOTE: Plug or cap the lines immediately after disconnecting them to avoid moisture and dust contamination. 8. Disconnect the drain hose, and remove the seven self-tapping screws. Then pull the evaporator out of the front passengers side to remove it. NOTE: Be careful not to damage the evaporator fins when removing the evaporator. 9. Install in the reverse order of removal. Make note of the following items. If you’re installing a new evaporator, add refrigerant oil (ND-OIL 8). Replace the O-rings with new ones at each fitting, and apply a thin coat of refrigerant oil (ND-OIL 8) before installing them. NOTE: Be sure to use the right O-rings for HFC134a (R-134a) to avoid leakage. Be careful not to damage the evaporator fins when installing the evaporator. Install the expansion valve capillary tube with the capillary tube in contact with the suction line directly, and wrap it with tape.
Filed Under (Chrysler) by admin on 18-10-2010
REMOVAL WARNING: REFER TO THE APPLICABLE WARNINGS AND CAUTIONS FOR THIS SYSTEM BEFORE PERFORMING THE FOLLOWING OPERATION. 1. Remove the HVAC unit housing from the vehicle. See: Housing Assembly HVAC\Service and Repair 2. Remove the heater core tubes from the heater core. 3. Remove and discard the foam seal from the HVAC housing seal flange around the fresh air inlet opening and the expansion valve/evaporator tube opening on the dash panel side of the unit. 4. Remove the expansion valve from the evaporator inlet and outlet tube fittings. 5. Disconnect the HVAC wire harness connector for the blower motor from the motor connector receptacle on the bottom of the outboard end of the evaporator housing. 6. Disengage the HVAC wire harness from the routing clips molded into the outside of the HVAC housing components.Remove the three screws from the dash panel side of the unit that secure the top of the distribution housing to the inboard end of the evaporator housing. 8. Pull the top of the distribution housing away from the evaporator housing far enough to disengage the two hook formations on the bottom of the distribution housing from the two receptacles on the evaporator housing. 9. Remove the two screws that secure the upper intake air housing to the lower intake air housing. 10. Remove the three screws that secure the upper intake air housing to the top of the outboard end of the evaporator housing. Be certain not to miss the screw located just inside the inboard side of the fresh air intake opening.