K 1500 Yukon Denali AWD V8-6.0L VIN U (2002)
6. Remove the heater/A/C tubes retaining nut (4) from the stud (1) at the frame (6).
7. Remove the auxiliary heater pipes (2) from the clamps (5).
8. Remove the auxiliary heater pipes from the vehicle.
INSTALLATION PROCEDURE
1. Install the auxiliary healer pipes to the vehicle.
2. Install the auxiliary heater pipes (2) to the clamps (5).
NOTE: Refer to Fastener Notice in Service Precautions.
3. Install the heater/A/C tubes retaining nut (4)10 the stud (1) at the frame (6).
Tighten
Tighten the heater/A/C tubes retaining nut to 7 N.m (62 lb in).
