Envoy 4WD V8-5.3L VIN M (2005)
1. Install the expansion tube (4) to the evaporator tube (1).
IMPORTANT: Install the shorter screen end of the expansion tube into the evaporator tube first.
2. Use the J 26549-E in order to install the expansion tube (4).
3. Install the new O-ring seal.
4. Assemble the evaporator tube at the block fitting (3).
5. Install the nut (2) to the evaporator tube block (3).
NOTE: Refer to Fastener Notice in Service Precautions.
Install the evaporator tube nut.
Tighten the nut to 28 N.m (21 lb ft).
6. Install the evaporator tube to the evaporator.
7. Install the evaporator tube nut (5) to the evaporator.
Tighten the nut to 28 N.m (21 lb ft).
8. Install the coolant reservoir.
9. Install the accumulator.
10. Recharge the refrigerant system. Refer to Refrigerant Recovery and Recharging.
11. Leak test the fittings of the components using the J 39400-A.