Installation Procedure
1. Install a NEW heater inlet pipe housing seal.
CAUTION
!
Refer to "Fastener Notice: ".
2. Install the heater inlet pipe housing bolts (1).
Tightening torque
Tighten the heater inlet housing bolts to 10 N⋅m
(89 lb in).
3. Install the heater inlet hose (1) to the heater inlet
pipe.
4. Refill the cooling system. Refer to "Draining and
Filling Cooling System (LY7 GE 47716 Fill)"
"Draining and Filling Cooling System (LY7 Static
Fill)".
Engine Cooling System:
Heater Outlet Pipe Replacement
Removal Procedure
1. Partially drain the cooling system. Refer to "Draining
and Filling Cooling System (LY7 GE 47716 Fill)"
"Draining and Filling Cooling System (LY7 Static
Fill)".
2. Remove the heater pipe outlet hose (1) from the
heater outlet pipe.
3. Remove the heater inlet pipe. Refer to "Heater Inlet
Pipe Replacement".
4. Remove the heater outlet pipe (1).
5. Remove the heater outlet pipe O-ring (2). Discard O-
ring.
1F-28