K 1500 Suburban 4WD V8-5.3L VIN Z Flex Fuel (2003)
6. Remove the heater/A/C tubes retaining nut (4) from the stud (1) at the frame (6).
7. Remove the auxiliary A/C evaporator tubes (3) from the clamps (5).
8. Remove the auxiliary A/C evaporator tubes from the vehicle.
INSTALLATION PROCEDURE
1. Install the auxiliary A/C evaporator tubes to the vehicle.
2. Install the auxiliary A/C evaporator tubes (3) to the clamps (5).
3. Install the heater/A/C tubes retaining nut (4) to the stud (1) at the frame (6).
NOTE: Refer to Fastener Notice in Service Precautions.
Tighten
Tighten the nut to 7 N.m (62 lb in).
