C 2500 Truck 2WD V8-454 7.4L (1988)
Throttle Body: Service and Repair
Throttle Body Injection (TBI) Unit
Throttle Body Assembly (Exploded View)
REMOVAL:
1.
Remove the TBI assembly from vehicle.
2.
Remove the fuel meter body attaching screw assemblies.
3.
Remove the fuel meter body assembly.
4.
Remove the throttle body to fuel meter body gasket and discard.
DISASSEMBLE:
Remove the TPS from the old throttle body, for use on the new throttle body. (The IAC valve does not have to be removed, since a new one
comes with the replacement throttle body.)
ASSEMBLE: