RAM 1500 Truck 4WD V8-5.9L VIN Z (2002)
26.
Set mode switch to PANEL OUTLETS.
27.
Set temperature switch to FULL HEAT.
28.
Set recirculation switch to RECIRCULATE.
29.
With the engine running, allow the blower to operate for 20 minutes.
30.
Turn the ignition switch to the OFF position.
31.
Raise the vehicle on a suitable hoist.
32.
Clamp off the drain tube using a suitable clamp.
33.
Lower the vehicle.
CAUTION:
Technician must use eye protection, rubber gloves, protective clothing, and avoid breathing vapors.
34.
Open all windows in the vehicle.
35.
Remove the HVAC filter cover.
36.
Shake a 8 ounce bottle of Cooling Coil Coating (p/n 04728942AB), and screw the bottle onto the applicator tool.
37.
Insert the applicator tool into the blower resistor opening. Spray the full contents of the bottle onto the evaporator while moving the applicator tool
up and down and back and forth so that the evaporator is evenly coated.
38.
Allow the vehicle to sit for 30 minutes.
39.
Install the HVAC filter. Replace with a new filter, p/n 05103600AA, if necessary.
40.
Install the HVAC filter cover.
41.
Raise the vehicle on a suitable hoist.
CAUTION:
The excess cooling coil coating will drain when the cap/clamp/plug is removed in the next step.
42.
Remove the drain tube clamp.
43.
Lower the vehicle.
44.
Start the engine.
45.
Raise all the windows to a slightly open position (about 1/2 inch opening).
46.
Set the blower to HIGH.
47.
Set the A/C switch to A/C OFF.
48.
Set mode switch to PANEL OUTLETS.
49.
Set temperature switch to FULL HEAT.
50.
Set recirculation switch to RECIRCULATE.
51.
With the engine running, allow the blower motor to operate for 20 minutes.
52.
Turn the ignition switch to the OFF position.
53.
Fill an 8 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.
54.
Raise the vehicle on a suitable hoist.
