FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Replacing Additional Throttle Body (ASC+T))

- Switch off ignition.




- Unfasten hose clip (1). Remove plug connections (2 and 3). Unfasten clips (4). Remove mass air flow sensor with suction hose.

Installation Note: Fit hose for crankcase venting to suction hose.




- Disconnect cable.

Installation Note: Adjust Bowden cable with clearance of 0.5 - 1 mm.




- Check gasket (1) for damage and replace if necessary.

Installation Note: To facilitate assembly, coat gasket with acid-free grease.




- Unfasten hose clip (1).
- Unfasten screws (2).




- Unfasten bracket for front throttle body by unfastening screws (1). Bracket remove.

Installation Note: Read out fault memory of ASC+T control unit, check error messages in memory, rectify faults and cancel fault memory.




Installation Note: Check gasket (1) between mass air flow sensor and upper section of air filter for damage and replace if necessary.

- To facilitate assembly, coat gasket with acid-free grease.
- Read out fault memory of ASC+T control unit, check error messages in memory, rectify faults and cancel fault memory.