RAM 1500 Truck 4WD V8-5.9L VIN Z (2002)
57.
Set recirculation switch to RECIRCULATE.
58.
With the engine running, allow the blower to operate for 20 minutes.
59.
Turn the ignition switch to the OFF position.
60.
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.
61.
On AN/DN/HB/JR/LH/ND/PT/WG/WJ - vehicles (other vehicles proceed to the next step), raise the vehicle.
CAUTION:
In the following step be careful not to damage the A/C cooling coil.
62.
Using a suitable object (a wire coat hanger for example), probe the drain tube 3.8 - 5.1 cm (1.5 - 2 in.) to ensure that the dried coil coating is not
restricting the flow from the drain tube.
63.
On AN/DN/ND - vehicles (other vehicles proceed to the next step), install the exhaust heat shield covering the cooling coil housing drain.
64.
On AN/DN/HB/JR/LH/ND/PT/WG/WJ - vehicles (other vehicles proceed to the next step), lower the vehicle.
65.
On LH vehicles (other vehicles proceed to next step), install the blower motor cover and lower right under panel duct.
66.
Remove the carpet and seat protector.
67.
If applicable, install the silencer pad under the right side of the instrument panel.
68.
Install floor mat.
69.
Close the hood.
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.
