Throttle Body: Service and Repair

Remove
- Disconnect battery.
- Remove the intercooler intake elbow.
- Raise vehicle on a four-post ramp.
- Remove the rear air duct to throttle body connecting hose.
- Remove the oil filter cartridge and gasket.
- Undo and remove bolts securing EGR supply pipe to manifold.
- Remove EGR supply pipe gasket.
- Reposition EGR sensor harness multi-plug from mounting bracket.
- Release throttle outer cable abutment from abutment bracket.
- Disconnect throttle inner cable from throttle linkage.
- Remove speed control speed control bracket to throttle lever clevis pin and pin circlip.
- Disconnect and remove return spring.
- Disconnect speed control actuator vacuum hose.
- Release cooling system pressure by slowly undoing the tank cap.
- Tighten cap after pressure release.
- Remove abutment bracket assembly.
- Disconnect idle speed actuator harness multi-plug.
- Disconnect throttle potentiometer harness multi-plug.
- Fit pipe clamps to throttle housing cooling hoses and disconnect hoses from throttle housing.
- Remove throttle housing.
- Remove throttle potentiometer.
- Remove screws securing idle speed actuator to throttle housing.
- - Remove and discard gasket.
- - Remove spacer and undo bolt securing throttle lever assembly to throttle housing.
- Remove butterfly outer bush, spring and inner bush.

Refit in the reverse order of the removal procedure.