GM Service Manual Online
For 1990-2009 cars only

Radiator Surge Tank Outlet Hose/Pipe Replacement LS6

Tools Required

J 38185 Hose Clamp Pliers

Removal Procedure

  1. Drain the cooling system. Refer to Cooling System Draining and Filling .

  2. Object Number: 785754  Size: SH
  3. Position J 38185 to the clamp in order to remove the outlet hose (2) from the surge tank (1).
  4. Remove the nuts on the bracket which secures the surge tank outlet hose to the cowl.
  5. Position J 38185 to the clamp in order to remove the surge tank outlet hose from the heater hose pipe.
  6. Remove the surge tank outlet hose from the pipe.

Installation Procedure

  1. Position the surge tank outlet hose to the heater hose pipe.
  2. Position J 38185 to the clamp in order to connect the surge tank outlet hose to the heater hose pipe.
  3. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the nut to the bracket securing the surge tank outlet pipe to the cowl.
  5. Tighten
    Tighten the bolt to 9 N·m (80 lb in).


    Object Number: 785754  Size: SH
  6. Position J 38185 to the clamp in order to connect the outlet hose (2) to the surge tank (1).
  7. Fill the cooling system. Refer to Cooling System Draining and Filling .

Radiator Surge Tank Outlet Hose/Pipe Replacement LP1, LY7

Tools Required

J 38185 Hose Clamp Pliers

Removal Procedure

  1. Drain the cooling system. Refer to Cooling System Draining and Filling .

  2. Object Number: 785754  Size: SH
  3. Position J 38185 to the clamp in order to remove the outlet hose (2) from the surge tank (1).
  4. Loosen the bolt on the bracket which secures the surge tank outlet hose to the engine.
  5. Remove the windshield wiper transmission. Refer to Windshield Wiper Transmission Replacement .
  6. Position J 38185 to the clamp in order to remove the surge tank outlet hose from the thermostat assembly.
  7. Remove the surge tank outlet hose/pipe from the engine.

Installation Procedure

  1. Position the surge tank outlet hose/pipe to the engine.
  2. Position J 38185 to the clamp in order to connect the surge tank outlet hose to the thermostat assembly.
  3. Install the windshield wiper transmission. Refer to Windshield Wiper Transmission Replacement .
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the bolt to the bracket securing the surge tank outlet pipe to the engine.
  6. Tighten
    Tighten the bolt to 9 N·m (80 lb in).


    Object Number: 785754  Size: SH
  7. Position J 38185 to the clamp in order to connect the outlet hose (2) to the surge tank (1).
  8. Fill the cooling system. Refer to Cooling System Draining and Filling .