Removal and Replacement

Throttle Body Assembly Replacement (L26)

Removal Procedure




1. Partially drain the cooling system. Refer to Draining and Filling Cooling System (L26, L32 GE 47716 Fill) Draining and Filling Cooling System (L26, L32 Static Fill) Draining and Filling Cooling System (LS4 GE 47716 Fill) Draining and Filling Cooling System (LS4 Static Fill) in Engine Cooling.
2. Remove the fuel injector sight shield
3. Remove the air cleaner intake duct.
4. Disconnect the throttle body electrical connector.
5. Remove the throttle body nuts (4) and the bolts (5).
6. Remove the throttle body assembly (1).

Notice: Do not use solvent of any type when cleaning the gasket surfaces on the intake manifold and the throttle body assembly, as damage to the gasket surfaces and throttle body assembly may result.

Use care in cleaning the gasket surfaces on the intake manifold and the throttle body assembly, as sharp tools may damage the gasket surfaces.

7. Clean the throttle body gasket mating surfaces.

Installation Procedure




1. Install the new gasket.
2. Install the throttle body assembly (1).

Notice: Refer to Fastener Notice in Service Precautions.

3. Install the throttle body bolts (5) and the nuts (4).

Tighten the bolts and the nuts to 10 N.m (89 lb in).

4. Connect the throttle body electrical connector.
5. Install the air cleaner intake duct.
6. Install the fuel injector sight shield.
7. Fill the cooling system. Refer to Draining and Filling Cooling System (L26, L32 GE 47716 Fill) Draining and Filling Cooling System (L26, L32 Static Fill) Draining and Filling Cooling System (LS4 GE 47716 Fill) Draining and Filling Cooling System (LS4 Static Fill) in Engine Cooling.