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.
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Checking Camshaft Timing On Left Side (N62/N62TU)
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
Checking Camshaft Timing On Right Side (N62/N62TU)
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
Adjusting Camshaft Timing On Left Side (N62/N62TU)
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:
Removing And Installing/Replacing Heater
WARNING: Avoid contact with refrigerant and refrigerant oil.
Follow safety instructions for handling refrigerant R 134a.
Follow safety instructions for handling refrigerant oil.
IMPORTANT: Risk of damage
Restart engine only when A/C system has been correctly filled.
If A/C system is opened for mo
Removing And Installing/Replacing Car Communication Computer
IMPORTANT: Read and comply with notes on protection against
electrostatic damage (ESD
protection).
NOTE: Comply with notes and instructions on handling optical
waveguides.
Necessary preliminary tasks:
Disconnect battery negative lead.
Remove middle trim for instrument panel.
Release screws (1
