Operation CHARM: Car repair manuals for everyone.

Throttle Body: Service and Repair

NON-ETS





To Remove
1. Remove the rubber hose elbow from the throttle body.
2. Unplug the throttle position sensor's connector.
3. Unscrew the expansion tank filler cap to release the pressure in the cooling system. Then screw the filler cap back on again.
4. Disconnect the throttle body preheating hoses and plug the ends of the hoses.
5. Disconnect the crankcase breather hose.
6. Disconnect the idle air control valve hose from the throttle body.
7. Detach the throttle cable from the throttle body's lever and Cruise Control cable and, on cars with automatic transmission, the kick-down wire.
8. Remove the throttle body retaining bolts and lift out the throttle body.





IMPORTANT: Note the position of the O-ring in the throttle body.

1. Inspect the sealing surfaces and O-ring If necessary, change the O-ring. Fit the throttle body.
2. Reconnect the throttle cable and Cruise Control cable and, on cars with automatic transmission, the kick-down wire.
3. Only cars with automatic transmission: Check and adjust the kick-down wire.
4. Reconnect the crankcase breather hose, idle air control valve hose and throttle body preheating hoses.
5. Plug in the throttle position sensor's connector.
6. Fit the rubber hose elbow.
7. Check the coolant level and top up as necessary.