Throttle Body Replacement
LEFT THROTTLE BODYREMOVAL
1. Disconnect the negative battery terminal, before removing fuel injection components.
Throttle Lever 3.5L:
Throttle Cable 3.5L:
2. Rotate throttle to wide open position. Remove throttle cable and speed control cable.
3. Remove tube connecting air cleaner to air intake plenum.
Air Intake Plenum Removal:
4. Disconnect air intake plenum from throttle bodies. Remove [1][2]PCV make up air tube and idle air control motor. Remove intake air plenum from right side of vehicle.
5. Remove the throttle body mounting nuts.
Left Throttle Body Removal 3.5L:
6. Slide throttle body off mounting studs. Separate throttle body from synchronization shaft. Remove throttle body.
7. Clean gasket mating surfaces.
INSTALLATION
NOTE: Prior to installing left throttle body, remove and clean right throttle body.
1. Install new gasket on mounting studs.
Left Throttle Body Removal 3.5L:
2. Connect throttle body to synchronization shaft. Ensure ball stud enters socket in the end of shaft. Ensure spring attaches to shaft and throttle body arm. Also, ensure the spring does not bind when throttle is opened.
3. Install throttle body on mounting studs.
4. Torque mounting nuts to 19 ft-lbs (26 Nm).
5. Connect purge tube to nipple on throttle body.
6. Rotate throttle to wide open position. Install throttle cable and speed control cable.
7. Check throttle body synchronization.
8. Install the air intake plenum.
9. Install tube connecting air cleaner to air intake plenum.
10. Connect the battery negative terminal.
RIGHT THROTTLE BODY
REMOVAL
Throttle Body 3.3L:
1. Disconnect the negative battery terminal, before removing fuel injection components.
2. Remove tube connecting air cleaner to air intake plenum.
Air Intake Plenum Removal:
3. Disconnect air intake plenum from throttle bodies. Remove [1][2]PCV make up air tube and idle air control motor. Remove intake air plenum from right side of vehicle.
TPS 3.5L:
4. Disconnect purge hose from throttle body.
5. Disconnect TPS electrical connector.
6. Remove the throttle body mounting nuts.
Right Throttle Body Removal 3.5L:
7. Slide throttle body off mounting studs. Separate throttle body from synchronization shaft. Remove throttle body.
8. Clean gasket mating surfaces.
INSTALLATION
NOTE: Prior to installing right throttle body, remove and clean left throttle body.
1. Install new gasket on mounting studs.
Left Throttle Body Removal 3.5L:
2. Connect throttle body to synchronization shaft. Ensure ball stud enters socket in the end of shaft. Ensure spring attaches to shaft and throttle body arm. Also, ensure the spring does not bind when throttle is opened.
3. Install throttle body on mounting studs.
4. Torque mounting nuts to 19 ft-lbs (26 Nm).
5. Connect purge tube to nipple on throttle body.
6. Install TPS electrical connector.
7. Check throttle body synchronization.
8. Install the air intake plenum.
9. Install tube connecting air cleaner to air intake plenum.
10. Connect the battery negative terminal.