Cooper S (R56) L4-1.6L Turbo (N14) (2009)
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Compression Check: Testing and Inspection
Checking compression of all cylinders (N12, N14)
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Read out fault memory of DME control unit
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Check stored faults
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Rectify faults
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Clear fault memory
Important:
High tension - mortal danger!
Interrupt power supply to ignition coils.
Read and comply with notes on compression pressure check.
Necessary preliminary tasks:
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Remove spark plugs.
Unscrew tip (1) from special tool 11 0 222.
Important:
Then check the Schrader valve that is now visible for secure seating.
Prepare special tool 11 0 222 in conjunction with 11 8 732 and 11 8 731.
Screw special tool 11 0 222 onto special tool 11 8 731 to 10 Nm.
