BMW 7 Series: Vibration Damper
REMOVING AND INSTALLING/RENEWING VIBRATION DAMPER (N63)
Necessary preliminary work
- Remove FAN COWL
- Remove A/C compressor DRIVE BELT
- Remove alternator DRIVE BELT
- Remove belt pulley for A/C system
Release screw (1).
Tightening torque 11 28 1AZ.
Remove belt tensioner with idler pulley (2).
Fig. 145: Identifying Screw And Idler Pulley
Secure special tool 11 8 090 with three screws (1) to vibration damper.
Secure special tool 11 8 090 with belt tensioner bolt (2) to timing case cover.
Tightening torque 11 28 1AZ.
NOTE: A 3/4 inch tool is needed to release the central bolt.
Release central bolt on vibration damper.
Fig. 146: Securing Special Tool 11 8 090 With Belt Tensioner Bolt To Timing
Case Cover
Secure central bolt with special tool 00 9 140 or 11 3 460.
Position special tool 11 3 460 on special tool 11 8 090.
Adjust special tool 11 9 453 on special tool 11 9 454 using clamping screw to 0º
on scale.
Tightening torque 11 23 1AZ.
Fig. 147: Adjusting Special Tool 11 9 453 On Special Tool 11 9 454 Using
Clamping Screw To 0º On Scale
Assemble engine.
READ NEXT:
REPLACING ALL CONNECTING ROD BEARINGS (N63)
Notes
IMPORTANT: Note grinding stages on crankshaft.
Necessary preliminary work
Removing all PISTONS
Install new connecting rod bearing shells.
Install
Notes
WARNING: Protective goggles must be worn when working on the gudgeon
pin circlip.
IMPORTANT: If pistons and connecting rods are reused, they must be
reinstalled in the same
places.
Piston and
SEE MORE:
Necessary preliminary tasks
Remove INSTRUMENT PANEL TRIM
Position of actuator drive:
OVERVIEW OF ACTUATOR DRIVES ON HEATER/AIR CONDITIONER
Release screws (1).
Take off holder (2).
Fig. 73: Identifying Holder And Screws
Unclip connector piece (1) and slide downwards.
Latching of connector piece
Necessary preliminary work
Remove FRONT WHEELS
Remove and clean BRAKE PADS
NOTE: After completing work, read and comply with notes on BRAKING IN NEW
BRAKE DISCS/BRAKE PADS.
Check minimum brake disc thickness:
Position special tool 34 1 280 at three measuring points in area (1) and
measure.