11 36 630 Removing and installing/replacing distributor on left camshaft adjustment unit (M62 VANOS from 9/98): Removal

WARNING: This page is about a different variant/trim than selected.

Removal of the camshaft adjustment unit distributor is described separately from installation.

Remove left camshaft adjustment unit,

refer to 11 36 610 REMOVING AND INSTALLING/REPLACING LEFT CAMSHAFT ADJUSTMENT UNIT (M62 VANOS FROM 9/98) .

Feed timing chain out of camshaft adjustment unit distributor.

Secure timing chain to prevent it from sliding down.

NOTE: Screw (1) with sealing ring.

Release screws on camshaft adjustment unit distributor.

Fig 1: Removing Camshaft Adjustment Unit Distributor Screws (Left Bank)

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NOTE: If the camshaft adjustment unit distributor and the seal (three plain compression rings) are worn, the removal operation may be awkward.

By moving it back and forth, carefully detach distributor straight from camshaft.

Fig 2: Removing Camshaft Adjustment Unit Distributor (Left Bank)

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NOTE: The camshaft adjustment unit distributor is sealed on the inside with plain compression rings.

Traces of wear on the distributor plain compression rings up to a depth of approx. 0.1 to 0.2 mm are normal.

If there is pitting or scoring in the longitudinal direction, the plain compression rings and the distributor must be replaced.

If necessary, remove seal (three plain compression rings).

NOTE: The plain compression rings have catches at the joint.

Press compression ring (1) upwards as far as possible and remove catch.

Carefully pull compression ring (1) apart and remove towards front.

Fig 3: Removing Compression Ring

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Installation:

If necessary, replace seal (three plain compression rings).

Carefully pull compression ring (1) apart and install.

Press compression ring (1) upwards as far as possible and install catch.

Fig 4: Installing Compression Ring

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NOTE: The gasket is secured in a groove on the camshaft bearing cover and over the non-return valve (1).

The non-return valve (1) is "inserted" in the cylinder head and can fall out if the gasket is not fed out carefully.

Carefully feed out gasket.

Fig 5: Removing Camshaft Bearing Cover Gasket (Left Bank)

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If necessary, remove non-return valve.

Insert commercially available screw with M10x1 thread or special tool 13 5 132 as and extraction aid by hand in non-return valve (1) and carefully remove.

Fig 6: Removing Non-Return Valve (Left Bank)

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Installation:

Replace sealing ring (1) on non-return valve.

CAUTION: Check installed direction.

An incorrectly installed non-return valve will result in engine damage.

Install non-return valve with M10x1 thread facing outwards.

Fig 7: Identifying Sealing Ring On Non-Return Valve (Left Bank)

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