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OM 3858
TIMING TOOLS BMW/ROVER/OPEL DIESEL WITH CHAIN DRIVE
IMPORTANT: During this preparation the alternator should be covered to protect against
spillage and all entry points to the fuel system must be sealed against ingress and
contamination.
8-2 Remove the sealing plug from the engine to access the HP pump sprocket bolt.
(Fig.13)
8-3 Screw in (L) so it enters fully into the threads of the sprocket and then remove the central part of the tool. (Fig.14)
IMPORTANT: The main body of the tool MUST NOT be removed until the HP pump has
been re tted
8-4 Remove the HP pump support.
8-5 Release the retaining screw on the front of the pump and the mounting bolt on the
side of the timing case. Release the pump sprocket center bolt.
Note: It will remain in place during the application.
8-6 Installation
To insert the HP pump shaft into the sprocket it may be necessary to turn the pump through a number of degrees
and rotate it back into its mounting position. A new pump will probably require the shaft to be turned to align the
keyway position
IMPORTANT: Turn the shaft at its maximum diameter, not at the taper or keyway area as damage to the shaft/
sprocket will result.
8-7 Fit the retaining screw and mounting bolt and install the support bracket.
8-8 The support bracket screws should rstly be tightened, by hand, in the sequence
1-2-3-4 to fully t
the support bracket. They are then tightened to 19Nm. in the sequence 2-3-4-1.
(Fig.15)
8-9 Remove the (L) and t the sealing plug. Remove the Flywheel Locking Pin.
8-10 Reassemble all lines etc., vent the fuel system and reset the electric pump signal. Check for leaks. (BMW
diagnostics may be required).
9. Timing Pin (Ø8 /Ø8.2 30 mm) (Fig.16)
10. Injection Pump Extractor (Fig.17)
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