BMW X5: Replacing Both Timing Chains (N62/N62TU)
Special tools required:
- 11 2 001
- 11 2 002
- 11 2 003
- 11 2 007
Necessary preliminary tasks:
- Remove lower timing case cover.
Remove timing chain (1).
Remove timing chain (5).
Release screws (7).
Remove guide rails (3 and 6).
Remove tensioning rails (2 and 4).
Installation:
Maintain tension of timing chains when installing timing case cover.
Observe sparking protection on timing case cover.
Make sure timing chain (1) is correctly installed when placing it in guide rail
(3).
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Fig. 327: Identifying Timing Chains, Screws And Guide Rails
Attach special tools 11 2 001 and 11 2 002 to crankshaft.
Insert special tool 11 2 007 and remove sprocket wheel with special tool 11 2
003.
Installation:
Check sprocket wheels for wear, replace if necessary.
Heat sprocket wheel to 60ºC.
WARNING: Burning hazard! Wear gloves.
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Fig. 328: Identifying Special Tool (11 2 007), (11 2 001), (11 2 003)
Assemble engine.
READ NEXT:
Special tools required:
11 9 190
11 9 461
11 9 462
(cylinder bank 5 to 8)
Necessary preliminary tasks:
Remove servomotor for left eccentric shaft.
Remove left cylinder head cover.
Remove all
Special tools required:
11 9 190
11 9 461
11 9 462
(cylinder bank 1 to 4)
Necessary preliminary tasks:
Remove servomotor from right eccentric shaft.
Remove right cylinder head cover.
Remove
Special tools required:
11 9 190
11 9 460
11 9 461
11 9 462
11 9 463
(cylinder bank 5 to 8)
Necessary preliminary tasks:
Check camshaft timing on left side.
Remove left timing case cover.
SEE MORE:
IMPORTANT: Read and comply with notes on protection against
electrostatic damage (ESD
protection).
IMPORTANT: Aluminum-magnesium materials.
No steel screws/bolts may be used due to the threat of electrochemical
corrosion.
A magnesium crankcase requires aluminum screws/bolts exclusively.
Aluminum
Special tools required:
37 1 160
WARNING: Danger of poisoning if oil is ingested/absorbed
through the skin!
Risk of injury if oil comes into contact with eyes and skin!
IMPORTANT: Adhere to the utmost cleanliness. Do not allow any dirt to
enter the hydraulic
system.
Close off pipe connections w