BMW 7 Series: Replacing All Valve Stem Seals (N63)
Notes
IMPORTANT: Risk of damage to sealing lip on valve stem seal.
Fit new valve stem seals only when all valves have been installed.
Necessary preliminary work
- Remove all VALVE SPRINGS.
Press special tool 11 6 370 onto the valve stem seal.
Withdraw valve stem seal by turning and simultaneously unscrewing special tool 11 6 370.
.png)
Fig. 299: Pressing Special Tool 11 6 370 Onto Valve Stem Seal
Installation note: Lubricate valve stem with oil and insert valve.
Installation sleeve 116380 is included in the delivery specification for the valve stem seals.
Fit special tool 116380.
Coat new valve stem seal (1) with oil and install.
.png)
Fig. 300: Identifying Valve Stem Seal And Special Tool 11 6 380
NOTE: For use on the N63 engine, the special tool 11 6 380 must be remachined according to the sketch with a 6.2 mm drill bit dia. to a depth of A = approx. 45 mm.
This modification has already been taken into account for reordering.
.png)
Fig. 301: Identifying Special Tool (11 6 380)
Manually press on valve stem seal as far as it will go with special tool 11 6 380.
.png)
Fig. 302: Pressing On Valve Stem Seal
Assemble engine.
READ NEXT:
Adjusting Camshaft Timing On Left Side (N63)
Notes
IMPORTANT: Release central bolts on adjuster only with special tool 11 9
890.
Risk of damage to timing drive.
If special tool 11 9 890 can not be fitted, it is necessary when releasing the
ce
Adjusting Camshaft Timing On Right Side (N63)
Notes
IMPORTANT: Release central bolts on adjuster only with special tool 11 9
890.
Risk of damage to timing drive.
If special tool 11 9 890 can not be fitted, it is necessary when releasing the
ce
SEE MORE:
Carrying Out Ride Height Adjustment
NOTE: Ride height adjustment must be carried out after the following work:
Removal/replacement of ride height sensor or its control rod (only
necessary for vehicles with air suspension or vehicles with VDC)
Replacement of wiring harness
Replacement of air supply system control unit (F01/F02/F04
Electrical Steering Column Adjustment Normalization
NOTE: Normalization must be carried out after the following work:
Removal or replacement of control panel in heater-A/C system or of
steering column
Repair work to electric steering column adjustment
Coding/programming of IHKA control unit
Normalization of electric steering column adjustment i
