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Home >> BMW >> 2019 >> X3 M40i >> Repair and Diagnosis >> External Pages >> Different car >> Section 241 (Engine - Tightening Torques) >> Ribbed V-Belt With Tension And Deflection System (N52T) >> 11 28 Ribbed V-belt with tension and deflection system

11 28 Ribbed V-belt with tension and deflection system

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TIGHTENING TORQUE SPECIFICATION - RIBBED V-BELT WITH TENSION AND DEFLECTION SYSTEM

  Type Thread Tightening specification Measure
1AZ ASA screw
Belt tensioner to crankcase.
Aluminum screws/bolts are permitted with and without color coding (blue).
N52T M11 x 65 Replace screw.
Thread repairs are not permitted!
Jointing torque and angle of rotation must be observed without fail.
 
Jointing torque 25 Nm
Torque angle 90 °
3AZ Hexagon screw
Deflection pulley to alternator.
N52T M10 x 45   38 Nm