GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2007 🢒 STS 🢒 Engine 🢒 Engine Cooling 🢒 Radiator Surge Tank Inlet Hose/Pipe Replacement

Radiator Surge Tank Inlet Hose/Pipe Replacement LY7

Tools Required

J 38185 Hose Clamp Pliers

Removal Procedure
  1. Partially drain the cooling system. Refer to Cooling System Draining and Filling .

    2. Object Number: 785752 Size: SH
  2. Using J 38185 , disengage the hose clamp at the surge tank (1) and disconnect the surge tank inlet hose (2).

    3. Object Number: 1334989 Size: SH
  3. Using J 38185 , disengage the hose clamp at the radiator and disconnect the surge tank inlet hose.
  4. Using J 38185 , disengage the hose clamp at the throttle body assembly and disconnect the surge tank inlet hose.
  5. Remove the surge tank inlet hose from the vehicle.

Installation Procedure

    Object Number: 1319084 Size: SH
  1. Using J 38185 , engage the hose clamp at the throttle body assembly and connect the surge tank inlet hose.
  2. Using J 38185 , engage the hose clamp at the radiator and connect the surge tank inlet hose.
  3. Position the surge tank inlet hose to the retaining feature of the air cleaner assembly.

    4. Object Number: 785752 Size: SH
  4. Using J 38185 , engage the hose clamp at the surge tank (1) and connect the surge tank inlet hose (2).
  5. Fill the cooling system. Refer to Cooling System Draining and Filling .

Radiator Surge Tank Inlet Hose/Pipe Replacement LH2

Tools Required

J 38185 Hose Clamp Pliers

Removal Procedure
  1. Partially drain the cooling system. Refer to Cooling System Draining and Filling .

    2. Object Number: 887766 Size: SH
  2. Using J 38185 , disengage the clamp at the surge tank and disconnect the surge tank inlet hose.
  3. Using J 38185 , disengage the clamp at the radiator and disconnect the surge tank inlet hose
  4. Remove the surge tank inlet hose from the retaining features on the fan shroud and the air cleaner assembly.
  5. Using J 38185 , disengage the clamp at the water housing assembly and disconnect the surge tank inlet hose
  6. Remove the surge tank inlet hose from the vehicle.

Installation Procedure

    Object Number: 887766 Size: SH
  1. Install the surge tank inlet hose.
  2. Using J 38185 , install the surge tank inlet hose to the water housing assembly.
  3. Insert the surge tank inlet hose into the retaining features on the fan shroud and the air cleaner housing assembly.
  4. Using J 38185 , install the surge tank inlet hose to the radiator.
  5. Using J 38185 , install the surge tank inlet hose to the surge tank.
  6. Fill the cooling system. Refer to Cooling System Draining and Filling .