Engine Coolant Thermostat Replacement (LNF)

Fig 1: Identifying Engine Coolant Thermostat (LNF)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedures Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill LNF) or Cooling System Draining and Filling (GE 47716 Fill) . Disconnect the radiator surge tank outlet hose/pipe. Refer to Radiator Surge Tank Outlet Hose/Pipe Replacement (LNF) . Disconnect the radiator outlet hose from the water inlet assembly. Refer to Radiator Outlet Hose Replacement (LNF) .
1	Water Inlet Assembly Bolt (Qty: 2) CAUTION: Refer to Fastener Caution . Tighten: 10 N.m (89 lb in)
2	Water Inlet Assembly
3	Engine Coolant Thermostat