C Yukon 2WD V8-5.7L VIN R (1999)
8. Disconnect the heater inlet hose (1) from the tee fittings.
9. Disconnect the heater outlet hose (2) at the tee fittings.
INSTALLATION PROCEDURE
1. Connect the heater outlet hose (2) to the tee fittings.
2. Connect the heater inlet hose (1) to the tee fittings.
NOTE: Refer to Fastener Notice in Cautions and Notices.
3. Install the hose (1,2) clamp bolts in the engine compartment.
Tighten
Tighten the bolts to 17 N.m (13 lb ft).