Compression Check: Testing and Inspection

11 00 039 Checking compression of all cylinders (M57T2- SCR)

Special tools required:





Necessary preliminary work:
^ Remove all glow elements

Warning!
On vehicles with manual gearbox:





There must be no gear engaged during the starting operation.





Important!
To prevent the injection system from injecting, it is necessary to disconnect the injection system plug connections.





Screw in special tools 11 0 222 and 11 0 236.

Note:
The compression check on all cylinders must have a constant battery voltage. If necessary, connect an auxiliary battery.

The number of engine revolutions must be the same for each cylinder during the compression check (the measuring result could be distorted).

Nominal values.





Assemble engine.

Clear DDE fault memory.

Check function of DDE.