Silverado 2500 4WD V8-8.1L VIN G (2006)
Throttle Body: Service and Repair
Throttle Body Assembly Replacement
THROTTLE BODY ASSEMBLY REPLACEMENT
REMOVAL PROCEDURE
NOTE: Handle the electronic throttle control components carefully. Use cleanliness in order to prevent damage. Do not drop the electronic throttle
control components. Do not roughly handle the electronic throttle control components. Do not immerse the electronic throttle control components in
cleaning solvents of any type.
IMPORTANT: An 8 digit part identification number is stamped on the throttle body casting. Refer to this number if servicing, or part replacement is
required.
1. Remove the intake air resonator.
2. Disconnect the throttle actuator motor electrical connector (5).
3. Remove the throttle body nuts.
IMPORTANT: Cover or plug any openings when servicing the throttle body in order to prevent possible contamination.
4. Remove the throttle body.
5. Remove and discard the throttle body gasket.
INSTALLATION PROCEDURE
1. Install a NEW throttle body gasket.
2. Install the throttle body.
NOTE: Refer to Fastener Notice in Service Precautions.
3. Install the throttle body nuts.
Tighten the nuts to 10 N.m (89 lb in).
