Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 Chevrolet TrailBlazer, and 2004 Buick Rainier. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Removing/Installing Throttle Body Gasket

Courtesy of GENERAL MOTORS CORP.

Install a NEW throttle body gasket (1).
Install the throttle body.

Fig 2: View Of Throttle Body & Nuts

Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the throttle body bolts.
Tighten: Tighten the bolts to 10 N.m (89 lb in).

Fig 3: View Of Auxiliary Heater Inlet & Outlet Hoses/Pipes

Courtesy of GENERAL MOTORS CORP.

Connect the 2 throttle body engine coolant hoses to the throttle body.
Position the throttle body hose clamps.

Fig 4: Locating Electrical Components At Top Of Engine

Courtesy of GENERAL MOTORS CORP.

Connect the throttle actuator motor electrical connector (2).

Fig 5: View Of Intake Air Tube

Courtesy of GENERAL MOTORS CORP.

Install the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .
Refill the cooling system. Refer to Draining and Filling Cooling System (LL8) or Draining and Filling Cooling System (LM4) in Engine Cooling.
Verify that the vehicle meets the following conditions:
- The vehicle is not in a reduced engine power mode.
- The ignition is ON.
- The engine is OFF.
Connect a scan tool in order to test for a proper throttle-opening and throttle-closing range.
Operate the accelerator pedal and monitor the throttle angles. The accelerator pedal should operate freely, without binding, between a closed throttle, and a wide open throttle (WOT).
Start the engine.
Inspect for coolant leaks.