TrailBlazer 2WD L6-4.2L VIN S (2003)
1. Use the J 26549-E in order to install the expansion tube.
IMPORTANT:Install the shorter screen end of the expansion tube into the evaporator tube (6) first.
2. Install the new O-ring seal.
3. Assemble the evaporator tubes (4,6).
4. Install the evaporator tube nut.
NOTE: Refer to Fastener Notice in Service Precautions.
See: Service Precautions/Vehicle Damage Warnings
Tighten
Tighten the nut to .....28 N.m (21 lb ft).
5. Connect the evaporator tube (4) to the evaporator (1).
6. Install the nut (3).
Tighten
Tighten the nut to .....28 N.m (21 lb ft).
7. Install the coolant reservoir.
8. Install the accumulator.
9. Recharge the refrigerant system.
10. Leak test the fittings of the components using the J 39400.
