For 1990-2009 cars

### Removal Procedure

1. Remove the fuel injection sight shield.
2. Remove the manifold vacuum lines at the throttle body.
3. Remove the TP sensor (1) electrical connector.
4. Remove the two TP sensor attaching screws.

### Installation Procedure

1. With the throttle valve in the normal closed idle position, install the TP sensor (1) on the throttle body assembly.
2. Install the two TP sensor attaching screws, using a thread-locking compound on the screws. Loctite 262®, GM Part No. 1052624, or equivalent should be used.

Tighten
Tighten the attaching screws to 3 N·m (27 in lb).

3. Install the TP sensor electrical connector.
4. Install the manifold vacuum lines to the throttle body.
5. Install the fuel injection sight shield.

Tighten
(VIN 1 Only) Tighten the fuel injection sight shield to 2 N·m (18 lb in).