Cutlass V6-191 3.1L VIN M SFI (1998)
Heater Hose: Service and Repair
Heater Inlet Pipe
Remove or Disconnect
1. Drain cooling system.
2. Heater inlet pipe retaining nut on cylinder head (Behind exhaust crossover pipe).
3. Heater hose to heater inlet pipe by squeezing tabs on quick connect.
4. Heater inlet pipe from engine fitting by squeezing tabs on quick connect.
5. Heater inlet pipe.
Install or Connect
1. Heater inlet pipe to engine, pull to verify connection.
2. Heater inlet pipe retaining nut.
Tighten
^
Nut to 25 N.m (18 lb ft).
3. Heater hose to heater inlet pipe, pull to verify connection
4. Refill coolant system.