11 14 080 Removing and installing timing case cover, top left (S62)

WARNING: This page is about a different car, the 2003 BMW Z8, 2002 BMW Z8, 2001 BMW Z8, and 2000 BMW Z8. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect plug connection to check valve. Detach vacuum hose (1) from check valve.

Fig 1: Removing Components From Timing Case Cover

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Detach secondary air line (2) on timing case cover, top left and right.

Detach secondary air line (2) from holder and remove.

Installation:

Clean sealing surfaces on cylinder head. Replace left and right sealing rings on secondary air line (2) and apply a thin coat of grease as lubricant.

Remove left cylinder head cover. These tasks are described in the work step Removing and installing/sealing both cylinder head covers,

refer to 11 12 004 REMOVING AND INSTALLING/SEALING BOTH CYLINDER HEAD COVERS (S62) .

Remove fan clutch with impeller, refer to 11 52 020 Removing and installing or replacing fan clutch (S62) .

NOTE: Remove VANOS adjustment unit before removing timing case cover.

If no follow-on work is scheduled after the timing case cover has been removed, remove the VANOS adjustment unit only - the splined shafts are to remain in the VANOS gear. Do not adjust the camshaft timing.

Without follow-on work:

Remove left VANOS adjustment unit,

refer to 11 36 030 REMOVING AND INSTALLING, SEALING/REPLACING LEFT VANOS ADJUSTMENT UNIT (S62) .

If follow-on work is scheduled after the timing case cover has been removed, remove the VANOS adjustment unit together with the splined shafts.

Remove left VANOS adjustment unit with splined shafts. This operation is described in the section Replacing left camshafts, refer to 11 31 011 REPLACING LEFT CAMSHAFTS (S62) .

Release screw connections (1) and lay pressure accumulator to one side.

Unclip cable (2).

Fig 2: Identifying Screw Connections And Cable

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Carefully remove pressure control valve (1) with pliers from timing case cover.

Fig 3: Identifying Pressure Control Valve

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Unclip cable from holder (1).

Release screws (2 to 4).

Fig 4: Releasing Screws

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CAUTION: Take care: the gasket between timing case cover and cylinder head can drop into the engine.

Carefully remove timing case cover.

Installation:

Ensure that dowel sleeves (1) are correctly located.

Fig 5: Identifying Dowel Sleeves

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Installation:

Keep sealing faces clean and free of oil.

Fill opening in cylinder head gasket with Drei Bond 1209 (refer to BMW Parts Service ).

Fig 6: Filling Opening

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Installation:

Replace gaskets (1).

Fig 7: Replacing Gaskets

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Installation:

Clean sealing surfaces (1) to remove gasket remnants.

Fig 8: Identifying Sealing Surfaces

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Installation:

Ensure that seals are correctly seated. Fit timing case cover with inserted screw (1).

Fig 9: Fitting Timing Case Cover

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NOTE: It is not possible to insert screw (1) after fitting the timing case cover.

Installation:

Install holder (1).

Insert all screws and initially tighten without play.

Fig 10: Installing Holder

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Installation:

To tighten down screws (2), use a commercially available torque wrench or special tool 00 9 250.

Tighten screws (2) to 2 Nm.

Fig 11: Identifying Screws

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Installation:

Tighten down screws (3) in several stages to 10 Nm.

Tighten down screws (4) in several stages to 10 Nm.

Fig 12: Tightening Screws

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Installation:

Tighten down screws (2) in several stages to 10 Nm.

Fig 13: Tightening Screws

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Installation:

The pressure control valve incorporates a filter.

After engine damage that suggests that the filter is contaminated with chips, it is necessary to replace the pressure control valve.

Replace sealing rings (1) and coat with oil as lubricant.

Install pressure control valve.

Assemble engine.

Fig 14: Installing Pressure Control Valve

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