Auto Manual of VW Passat B5

2.7.2. Removal and installation of a head of the block of cylinders

THE GENERAL DATA

Heads of the block of cylinders on the engine of 2,8 l

1 – the block of cylinders, 2 – a lining of a head of the block of cylinders, 3 – a sealing ring, 4 – a head of the block of cylinders, 5 – a bolt of fastening of a head of the block of cylinders, 6 – a lining of a cover, 7 – a cover, 8 – a stopper,

9 – заглушка, 10 – a stopper, 11 – a cover, 12 – a lining of a cover, 13 – a bolt of fastening of a head of the block of cylinders, 14 – a sealing ring, 15 – a head of the block of cylinders, 16 – a lining of a head of the block of cylinders

Installation заглушки on a forward end face of a head of the block of cylinders

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The prevention

The head of the block of cylinders delivered as spare parts is universal and she can be established both on right, and on the left section of the block of cylinders of the engine. At installation of a new head of the block of cylinders at a forward end face of a head it is necessary to establish заглушку. Grease on perimetre заглушку with hermetic VW-AMV1880002 and запрессуйте заглушку so that it was established заподлицо with a forward end face of a head of the block of cylinders, fig. Installation заглушки on a forward end face of a head of the block of cylinders see.

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PERFORMANCE ORDER

1. Unscrew a fuel hose from a fuel highway and remove a fuel highway together with fuel atomizers. 2. Remove the ignition coil together with an arm. 3. Unscrew from a head of the block of cylinders an inlet collector. 4. Unscrew from a head of the block of cylinders the pipeline of giving of a cooling liquid.

Engine ALG

Sequence of a tightening of bolts of fastening of a head of the block of cylinders on the engine of 2,8 l

PERFORMANCE ORDER

1. Unscrew from a head of the block of cylinders the valve of giving of secondary air and an arm of the switch of channels of an inlet collector. 2. On the left head of the block of cylinders unscrew the bottom casing of a gear belt. 3. In sequence, return shown on fig. Sequence of a tightening of bolts of fastening of a head of the block of cylinders on the engine of 2,8 l, unscrew bolts of fastening of a head of the block of cylinders on half of turn for the first pass and then unscrew bolts completely. The prevention On later models for fastening of a head of the block of cylinders bolts with a head profile "Polydrive" are used. For unscrewing of such bolts it is necessary to use special keys, for example, VW3452. 4. Using a steel ruler and an edge щупа, check up planeness of the bottom surface of a head of the block of cylinders. Deviations from planeness should not exceed 0,05 mm. If the head of the block of cylinders перешлифовывалась, its height has to be not less than 139,2 mm. The prevention At installation of a head of the block of cylinders it is necessary to use a new lining. Take a lining from tight packing directly ahead of installation on the block of cylinders. 5. Check up that the new lining of a head of the block of cylinders has the same type, as the original, and that marks of TORAHS or OBEN are directed upwards. 6. Establish a head of the block of cylinders on directing pins of the block of cylinders. 7. Insert bolts into a head of the block of cylinders and tighten them by hand at this stage. 8. Gradually and consistently tighten all bolts of fastening of a head of the block of cylinders the demanded moment and in some stages in the sequence shown on fig. Sequence of a tightening of bolts of fastening of a head of the block of cylinders on the engine of 2,8 l. 9. Before installation of consolidation of a cover of a head of the block of cylinders put a layer of hermetic VW D 454 300 А3 on junctions of covers of bearings with a head of the block of cylinders.