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.
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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.
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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.
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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.
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Fig. 302: Pressing On Valve Stem Seal
Assemble engine.
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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:
Checking Fuel Tank And Tank Ventilation System For Leaks
Notes
NOTE: The following procedure is only applicable to vehicles without the
tank leak
diagnosis module.
Necessary preliminary work
Remove rear right wheel arch trim.
Comply with the following conditions in order to obtain plausible test
results:
Content of fuel tank:
Maximum 90 %
Minim
Installing Seal For Rear Lid And Side Lid
NOTE: The following text describes how to install the seal for the rear
lid as an
example. Proceed in the same way for the side lids.
Removing old seal:
Open lid. Grip seal piping with both hands and pull seal off hood ridge. Remove
old seal over lid.
Push seal piping (1) by hand onto hood ridge
