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Heater Inlet And Outlet Pipe Replacement (LF3)

Fig 1: Heater Inlet And Outlet Pipe (LFX, LF3)
GM3657056Courtesy of GENERAL MOTORS COMPANY
Callout Component Name

Preliminary Procedures

  1. Remove the heater inlet hose. Refer to Heater Inlet Hose Replacement (LF3, LGX)Heater Inlet Hose Replacement (LT4)Heater Inlet Hose Replacement (LTG) .
  2. Remove the heater outlet hose. Refer to Heater Outlet Hose Replacement (LF3)Heater Outlet Hose Replacement (LT4)Heater Outlet Hose Replacement (LGX)Heater Outlet Hose Replacement (LTG) .
  3. Remove the radiator outlet pipe. Refer to Radiator Outlet Pipe Replacement (LF3) .
  4. Remove the engine coolant thermostat housing. Refer to Engine Coolant Thermostat Housing Replacement (LTG) Engine Coolant Thermostat Housing Replacement (LGX) Engine Coolant Thermostat Housing Replacement (LF4) .
1 Heater Inlet and Outlet Pipe Fasteners (Qty: 2)
Tighten 
9 N.m (80 lb in)
2 Heater Inlet and Outlet Pipe Seal
NOTE:

Replace with a NEW seal.

3 Heater Inlet and Outlet Pipe Gasket
NOTE:

Replace with a NEW gasket.

4 Heater Inlet and Outlet Pipe