ST Vehicle Procedure

1. Inspect the cooling coil housing drain for leaves or other foreign material that may be blocking the drain.

2. Remove passenger side floor mat.

3. Place a protective cover over the carpet and the passenger front seat.

4. Remove the joint duct. Refer to the detailed service information available in TechCONNECT, under: Service Info, 24 - Heating & Air Conditioning, Blower Assembly and Resistor, Joint Duct.

5. Inspect and remove any leaves and debris.

6. If necessary, use a shop vacuum to clean the cooling coil.

NOTE:
Technician must use eye protection, rubber gloves, protective clothing, and avoid breathing vapors.

7. Screw the bottle of cooling coil cleaner (p/n 05170022AA) onto the applicator tool.

8. Connect the assembled applicator tool to the shop compressed air supply line.

9. Insert the applicator tool into the opening created by the joint duct removal.

10. Spray the full contents of 2 bottles of cooling coil cleaner onto the evaporator, moving the tool so that the evaporator is completely covered, until both bottles are empty (16 oz. total).

11. Allow the vehicle to sit for a minimum of 30 minutes.

12. Fill both of the empty cooling coil cleaner bottles with normal tap water.

13. Screw one bottle of water onto the applicator tool.

14. Insert the applicator tool into the opening of the heater/cooler unit at the evaporator.

15. Spray the full contents of water until the bottle is empty.

16. Repeat Step #13 through Step #15 using the second bottle of water. When both bottles of water are empty, proceed to the next step.

17. Install the joint duct.

18. Disconnect the A/C clutch electrical connector at the A/C compressor.

19. Start the engine.

20. Set the blower to HIGH - A/C OFF.

21. Set mode switch to PANEL OUTLETS.

22. Set temperature switch to FULL HEAT.

23. Set recirculation switch to RECIRCULATE.

24. Open windows slightly (about 1/2 inch opening).

25. With the engine running, allow the blower to operate for 20 minutes.

26. Turn the engine off.

27. Turn the ignition switch ON, do not start the engine, to allow blower motor operation.

28. Fully open all windows.

29. Remove the outer glove box and the inner glove box. Refer to the detailed service information available in TechCONNECT, under: Service Info, 23 - Body, 23C Body Interior, Instrument Panel

CAUTION:
Technician must use eye protection, rubber gloves, protective clothing, and avoid breathing vapors.

30. Shake the 8 ounce bottle of Cooling Coil Coating (p/n 04728942AB), and screw the bottle onto the applicator tool.

31. Insert the applicator tool into the recirculation inlet (behind glove box opening). Spray the full contents of the bottle in the airstream until the bottle is empty.

32. Start the engine.

33. Set the blower to HIGH.

34. Set the A/C switch to A/C OFF.

35. Set mode switch to PANEL OUTLETS.

36. Set temperature switch to FULL HEAT.

37. Set recirculation switch to RECIRCULATE.

38. Open windows slightly (about 1/2 inch opening).

39. With the engine running, allow the blower to operate for 20 minutes.

40. Turn the ignition switch to the off position.

41. Fill the 4 ounce plastic bottle with warm water and screw onto applicator tool. Clean tool by spraying warm water under pressure into the shop sink. Wipe the tool and store for next use.

42. Connect the A/C compressor clutch electrical connector at the compressor.

43. Open the right side panel outlet vent.

44. Install inner glove box.

45. Install outer glove box.

46. Remove the carpet and seat protector.

47. Install floor mat.