11 31 573 Adjusting Camshaft Timing On Left Side (N63)
Special Tools Required:
Risk of Damage To Timing Drive.
If Special Tool 11 9 890 Can Not Be Fitted, It Is Necessary When Releasing The Central Bolt To Grip The Hexagon Head of The Respective Camshaft.
(Cylinder Bank 5 To 8)
Necessary Preliminary Tasks:
Get Set of Special Tools 11 9 890 Ready for Securing Camshafts.
Special Tool 11 9 892 Press-Down Bar.
Special Tool 11 9 893 Gap Gauge for Intake and Exhaust Camshafts.
Special Tool 11 9 894 Spacer.
Release Central Bolts (1 and 2) of Intake and Exhaust Camshaft Adjusters.
Installation Note:
Replace Central Bolts After Releasing.
If No Grease Can Be Seen On The Bolt Head of Central Bolt (1), The ADJUSTER Must Be Replaced for Safety Reasons.
Installation Note:
Coat Contact Surface of New Central Bolt (1) with Copper Paste.
Position Special Tool 11 9 893 On Intake Camshaft and Exhaust Camshaft.
The Special Tool 11 9 893 Must Rest Without A Gap On Cylinder Head; If Necessary, Adjust Camshaft At Hexagon Heads.
Screw Special Tool 11 9 894 Into Cylinder Head.
Position Special Tool 11 9 892 On Special Tool 11 9 893 .
Both Special Tools 11 9 891 Are Secured with Special Tool 11 9 893 .
Secure Central Bolt (1) of Intake Camshaft Adjuster with Special Tool 00 9 120 .
Secure Central Bolt (2) of Exhaust Camshaft Adjuster with Special Tool 00 9 120 .
Tightening torque: 11 36 1AZ .
Remove Special Tools 11 9 190 and 11 8 570 .
Crank Engine At Central Bolt Twice In Direction of Engine Rotation Until Engine Returns To 150° Before Cylinder No. 1 Firing TDC Position.
Secure Vibration Damper At 150° Before Cylinder No. 1 Firing TDC Position 1 Using Special Tool 11 9 190 .
Place Special Tool 11 9 893 On The Exhaust Camshaft and Check Timing Adjustment.
Fit Special Tool 11 9 893 On Intake Camshaft and Check Timing Adjustment.
Remove All Special Tools.
Assemble Engine.