GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Cadillac
🢒
2007
🢒
STS
🢒
Engine
🢒
Engine Cooling
🢒 Coolant Bypass Hose Replacement
Coolant Bypass Hose Replacement LH2
Removal Procedure
Drain the cooling system. Refer to
Cooling System Draining and Filling
.
Remove the air cleaner outlet duct. Refer to
Air Cleaner Outlet Duct Replacement
.
Compress the clamp, and remove the heater outlet hose (3) from the thermostat housing in order to gain access to the bypass hose.
Compress the clamps (1, 3) and remove the bypass hose (2) from the water outlet housing and the front cover.
Installation Procedure
Compress the clamps (1, 3) and install the bypass hose (2) to the water outlet housing and the front cover.
Compress the clamp, and install the heater outlet hose (3) to the thermostat housing.
Install the air cleaner outlet duct. Refer to
Air Cleaner Outlet Duct Replacement
.
Fill the cooling system. Refer to
Cooling System Draining and Filling
.
Check the cooling system for leaks.
Coolant Bypass Hose Replacement LC3
Removal Procedure
Drain the cooling system. Refer to
Cooling System Draining and Filling
.
Remove the water outlet housing. Refer to
Water Outlet Housing Replacement
.
Compress the clamp, and remove the bypass hose from the water outlet housing.
Installation Procedure
Compress the clamp and install the bypass hose to the water outlet housing.
Install the water outlet housing. Refer to
Water Outlet Housing Replacement
.
Fill the cooling system. Refer to
Cooling System Draining and Filling
.
Check the cooling system for leaks.