12 14 521 Replacing Crankshaft Pulse Generator (N54)
IMPORTANT:
Read and comply with notes on protection against electrostatic damage (ESD protection).
IMPORTANT:
Aluminum screws/bolts must be replaced each time they are released .
The end faces of aluminum screws/bolts are painted blue for the purposes of reliable identification.
Jointing torque and angle of rotation must be observed without fail (risk of damage) .
Necessary preliminary tasks:
- Read out fault memory of DME control unit
- Switch off ignition
NOTE:
Installation location of pulse generator for crankshaft is underneath starter motor.
Preparatory tasks:
- Remove intake air manifold
Detach plug (1) from crankshaft pulse generator (2). Release screw.
Installation:
Replace aluminum screws.
Tightening torque 12 14 2AZ, see ENGINE ELECTRICAL SYSTEM -- TORQUE SPECIFICATIONS -- TWIN TURBO .
Withdraw pulse generator (2) from crankcase.
Installation:
Replace sealing ring.
NOTE:
Check stored fault messages.
Now clear the fault memory.