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Old 04-20-2009, 09:45 PM   #71
RJLipscomb
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Join Date: Oct 2005
Location: Las Vegas, Nevada
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Re: Dual climate control blowing heat on AC

This is the procedure that I found online:

This is for the Dual Coolant Control Valve
Removal V8
1. Drain the engine coolant. Refer to Workshop Manual, Section 303-03 for details.
2. Remove the air cleaner outlet pipe. Refer to Workshop Manual, Section 303-12 for details.
3. Remove the radiator upper sight shield.
4. Remove the passenger side upper radiator support bracket.
5. Disconnect the upper radiator hose from radiator.
6. Remove air conditioning receiver drier retainer and position aside.
7. Disconnect the auxiliary coolant flow pump electrical connector.
8. Remove the 2 (two) bolts from the auxiliary pump on radiator fan shroud.
9. Disconnect the heater hose at intake manifold and at the bottom of auxiliary pump.
10. Remove the auxiliary coolant flow pump.
11. Raise the vehicle.
12. Remove the lower splash shield.
13. Remove the bolts for the DCCV bracket.
14. Lower the vehicle.
15. Remove the retainers for hydraulic cooling fan reservoir (passenger side of engine) and position aside.
16. Mark the heater hoses at the DCCV for identification and disconnect the 3 (three) quick disconnect fittings. Refer to Workshop Manual, Section 412-00.
17. Disconnect the DCCV electrical connector.
18. Disconnect the heater hose at upper radiator hose.
19. Remove the DCCV.
20. Transfer the hoses and bracket from old DCCV to new DCCV.
Installation
1. Reverse the removal procedure to install new DCCV.
2. Torque the DCCV bracket bolts to 80 Lb-in (9 N.m).
3. Torque the upper hydraulic cooling fan reservoir fastener to 53 Lb-in (6 N.m) and lower/side fastener to 106 Lb-in (12 N.m).
4. Torque the auxiliary coolant pump fasteners to 80 Lb-in (9 N.m).
5. Torque the air conditioning receiver drier to 53 Lb-in (6 N.m).
6. Refill the engine coolant. Refer to Workshop Manual, Section 303-03 for details.
7. Repeat Steps 1-3 of the diagnostic procedure to verity repair.

It seems like a lot of steps when I can put my hand on the DCCV from above. Also, does anyone know what the part number is and where I can get it. Lots of online search and nothing comes back as the DCCV
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