Thermal Bypass Pipe Replacement

Thermal Bypass Pipe Replacement

Tools Required

J 21882 Oil Suction Pipe Installer

Removal Procedure

1. Drain the engine coolant.
2. Remove the upper intake manifold.
3. Remove the thermal bypass hose.




4. Remove the thermal bypass pipe bolt.
5. Remove the thermal bypass pipe .

Installation Procedure




1. Apply sealant GM P/N 12345493 (Canadian P/N 10953488) or equivalent to the end of the thermal bypass pipe where the pipe is pressed into the intake manifold.
2. Install the thermal bypass pipe using J 21882 .

Notice: Refer to Fastener Notice .

3. Install the thermal bypass pipe bolt.

Tighten the bolt to 10 N.m (89 lb in).

4. Install the thermal bypass hose.
5. Install the upper intake manifold.
6. Fill the engine with coolant.