Throttle Body: Service and Repair

CAUTION: Do not use spray (carb) cleaners on any part of the throttle body. Do not apply silicone lubricants to any part of the throttle body.

REMOVAL




1. Remove rubber air duct at front of throttle body.
2. Disconnect electrical connector (2) at throttle body (1).
3. Remove four throttle body mounting bolts (3).
4. Remove throttle body from intake manifold.




5. Check condition of throttle body O-ring (2) at front of intake manifold (1).

INSTALLATION




1. Clean and check condition of throttle body-to-intake manifold O-ring (2).
2. Clean mating surfaces of throttle body and intake manifold (1).




3. Install throttle body to intake manifold by positioning throttle body to manifold alignment pins.
4. Install and tighten four mounting bolts (3). Refer to Torque Specifications.
5. Install electrical connector (2). To lock connector, slide the red colored tab towards throttle body. Pull firmly on connector to verify a good lock.
6. Install rubber air hose to throttle body.
7. A Scan Tool may be used to learn electrical parameters. Go to the Miscellaneous menu, and then select ETC Relearn. If the relearn is not preformed, a Diagnostic Trouble Code (DTC) will be set. If necessary, use a scan tool to erase any Diagnostic Trouble Codes (DTC's) from PCM.