EngineCrankshaft - remove and install
| Crankshaft - remove and install |
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| Before removing the crankshaft, have an adequate space ready to set it aside, so that it does not rest on the Engine speed sensor -G28- (Pos. → Item ) or damage this sensor. |
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| In order to perform the assembly work, the engine must be fastened with the Support -VW 540- or the Rotary stand for engine and transmission -VAS 6095- to the assembly stand. |
WARNING | Always replace self-locking nuts and screws subject to angular torque. |
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| With 12-bar overpressure valve. |
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| Before installing, check that both guides for oil pump/crankcase centring are in their positions. |
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| To activate the oil pump. |
| 4 - | Bearing shells 1, 2, 3, 4 and 5 |
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| Classification for spare part orders → Fig.. |
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| For bearing cap without lubrication groove. |
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| For crankcase with oil groove. |
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| Do not invert bearing shells already used (identify). |
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| Replace after each removal. |
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| Tighten to 65 Nm only to measure the radial clearance of the crankshaft. |
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| Bearing cap 1: pulley side. |
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| Cover of bearing 3 with groove for adjusting rings. |
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| The shoulders for placing the bearing shells, crankcase/bearing cap must be overlapped. |
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| Do not invert bearing shells already used (identify). |
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| To Engine speed sensor - G28-. |
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| The installation is only possible in one position - displaced holes. |
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| Replace after each removal. |
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| Axial clearance (new): 0.07...0.23 mm, Wear limit: 0.30 mm. |
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| Measure radial clearance with “Plastigage” (new): 0.01...00.04 mm, Wear limit: 0.15 mm. |
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| Do not rotate the crankshaft when measuring radial gap. |
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| For the engine block, bearing 3. |
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| The writing points to the bearing. |
| Crankshaft upper bearing shells identification |
| The upper bearing shells are associated to the engine block in the factory, with the correct thickness. To identify bearing shell thickness, coloured dots are applied. |
| On the lower sealing surface of the engine block a lettering indicates the bearing shell thickness and the location in which the shell must be installed. |
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03 Engine
