Valve Clearance: Adjustments

Valve clearance






Removal

Remove camshafts Refer to: Camshafts, B5254T7 Service and Repair





Caution! Note the position of the components before removal.

Use: Magnet.

Check












Torque: M7, 17 Nm

999 5765 Holder camshaft 999 5765 Holder Camshaft








Torque: M6, 10 Nm




Measure and note the valve clearance values.
See information about specifications Refer to: Engine, B5254T7 Engine
Use: Feeler gauge.

Calculate the required thickness of the valve tappet with the following formula:
Measurement of existing valve clearance (actual value) =
Required thickness of valve tappet =
Compare the measured valve clearance(s) with the specifications.
Measure the valve clearance and if necessary, adjust by installing new valve tappets.
Repeat the procedure as necessary until all valve clearances are within the specified tolerance.

Repeat the measurement for all cylinders.

Installation





Install camshafts Refer to: Camshafts, B5254T7 Service and Repair