REMOVAL & INSTALLATION
See Figures 1 through 14
Fig. Fig. 1: Exploded view of the common throttle body
Drain and recycle the engine coolant.
Remove the air cleaner hose and cap.
Disconnect accelerator cable from the throttle linkage. Remove the 2 bolts and the cable bracket.
Fig. Fig. 2: Disengage the accelerator cable from the linkage ...
Fig. Fig. 3: ... and the throttle cable from the body ...
Fig. Fig. 4: ... along with the bracket
On automatics, disconnect the throttle cable from the throttle linkage.
Fig. Fig. 5: Remove the bolts retaining the throttle and accelerator cables
Label and disconnect the vacuum hoses.
Fig. Fig. 6: Mark all the vacuum hoses prior to removal
Carefully remove the throttle position sensor wiring connector.
Fig. Fig. 7: Disconnect the throttle position and IAC sensor wiring
Label and remove the water hoses from the air valve.
Fig. Fig. 8: It is advised to label all hoses before removing them
Depending on the type of mounting refer to the following:
Two bolt and nut; remove the two bolts, two nuts the throttle body with its gasket.
Four bolt; remove the four bolts. Make sure you mark where the bolts go. The bolts are different lengths on the upper and lower sides.
Fig. Fig. 9: Remove the 2 bolts and nuts ...
Fig. Fig. 10: ... and lift the throttle body off
Fig. Fig. 11: Discard the old gasket from the air chamber
Wash and clean the cast metal parts with a soft brush and carburetor cleaner. Use compressed air to blow through all the passages and openings.
Fig. Fig. 12: Use compressed air to clean all passages and openings in the throttle body
To check the throttle valve to see that there is NO clearance between the stop screw and the throttle lever when the throttle plate is fully closed.
Apply vacuum to the throttle opener before inserting the feeler gauge between the throttle stop screw and the lever.