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:
Connecting Rod With Bearing
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
Removing And Installing/Replacing All Pistons (N63) Up To 3/2011
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:
Butt Connector For Repairing A Plug Connection
Notes
IMPORTANT:
Identify cause of damage (e.g. sharp-edged body parts, faulty
electrical
loads, jammed mechanisms, corrosion caused by ingress of water, etc.).
Read out fault memory
Eliminate cause of damage.
Disconnect battery negative terminal
Make sure that no safety-related system acco
Removing And Installing/Renewing Catalytic Converter Cylinder 5-8
(N63)
WARNING: Risk of burning!
Only perform this repair work on an engine that has cooled down.
Necessary preliminary work
Remove ACOUSTIC COVER.
REMOVE BOTH INTAKE SILENCER HOUSINGS.
Remove EXHAUST SYSTEM.
Remove both control sensors.
Remove both monitoring sensors.
Picture shows the left side,
