Colorado 4WD L5-3.5L VIN 6 (2005)
Refrigerant Filter: Service and Repair
Air Conditioning (A/C) Refrigerant Filter Installation
AIR CONDITIONING (A/C) REFRIGERANT FILTER INSTALLATION
TOOLS REQUIRED
J 39400-A Halogen Leak Detector
IMPORTANT: The A/C Refrigerant filter, ACDelco P/N 15-1696, must be installed to the A/C evaporator tube between the condenser and
evaporator. The installation of this A/C refrigerant filter eliminates the need for flushing.
1. Remove the evaporator tube (1) from the retaining clips (2) on the cowl.
2. Measure 50 mm (2 in) from the bend on the evaporator tube (1) near the driver side fender and mark.
3. Measure 50.8 mm (2 in) from the mark on the evaporator tube (1) from the previous step.
IMPORTANT: Do not allow metal burrs to enter the evaporator tube (2) during cutting or when removing the burrs.
4. Using a tubing cutter, cut the marked section of the evaporator tube (2).
5. Remove the burrs from the evaporator tube (2).
6. Remove the nuts (4), the ferrules (3), and the O-rings (2) from the A/C refrigerant filter (1).
IMPORTANT: DO NOT install the O-rings (2) in this step.
7. Push the nuts (4) and ferrules (3) over each of the evaporator tube halves.
8. Install the ferrules (3) with the small end toward the nut (4).
9. Install the A/C refrigerant filter (3) to the evaporator tube (2) with the flow arrow pointing towards the evaporator.
NOTE: Refer to Fastener Notice in Service Precautions.
10. While holding the evaporator tube in the A/C refrigerant filter (1), tighten the nuts (4) to the A/C refrigerant filter (1).
Tighten
