Overview - Crankshaft: Notes

• For assembly work, secure the engine on the engine and transmission holder. Refer to ENGINE, SECURING TO ENGINE AND TRANSMISSION HOLDER .

1. Plug
   • When replacing the cylinder block make sure that the plug is positioned.
   • Installing and insulation depth. Refer to Fig 3.
2. Cylinder Block
3. Bracket
   • For the vacuum reservoir
   • Removing and Installing. Refer to VACUUM RESERVOIR, REMOVING AND INSTALLING .
4. Plug
   • For the "TDC" -hole
   • There are different versions. Refer to Fig 2 for allocation and tightening specifications.
5. O-Ring
   • For plug version "A". Refer to Fig 2
   • Replace after removing
6. Bolt
   • Replace after removing
   • Tightening Specifications and Sequence. Refer to Figure.
7. Bearing Shell
   • For cylinder block with oil groove
   • Replace any worn bearing shells
   • Insert new bearing shells for bearing cap with proper color marking. Refer to MAIN BEARING SHELLS ALLOCATION .
   • Lubricate with engine oil
8. Alignment Sleeve
9. Bearing Shell
   • For bearing cap without oil groove
   • Replace any worn bearing shells
   • Insert new bearing shells for bearing cap with proper color marking. Refer to MAIN BEARING SHELLS ALLOCATION .
   • Lubricate with engine oil
10. Alignment Sleeve
    • Quantity 2 per bearing cap
11. Bearing Cap
    • For the allocation, refer to Figure.
    • Retaining tabs for cylinder block/bearing cap bearing shells must lie above one another
12. Bolt
    • Replace after removing
    • Use the old bolts for radial clearance measurement
    • Tightening Specifications and Sequence. Refer to Figure.
13. Thrust Washers
    • only on the crankshaft bearing "3"
    • Installation position: the oil grooves face outward
    • Note the installation position in the guide frame
14. Alignment Pin
15. Crankshaft
    • Axial play, measuring. Refer to CRANKSHAFT, MEASURING AXIAL CLEARANCE .
    • Radial play, measuring. Refer to CRANKSHAFT, MEASURING RADIAL CLEARANCE .
    • Crankshaft dimensions. Refer to CRANKSHAFT DIMENSIONS .
    • Removing and Installing. Refer to CRANKSHAFT, REMOVING AND INSTALLING .
    • When installing a new crankshaft, replace the alignment sleeve  Alignment Sleeve and alignment pin  Alignment Pin.
    • Pay attention to the installation position of the balance shaft
16. Thrust Washers
    • only on the crankshaft bearing "3"
    • Installation position: the oil grooves face outward
17. Bolt
    • Replace after removing
    • Tightening Specifications and Sequence. Refer to Figure.

-- Clean the threaded hole in the cylinder block.

Plug version "A" :

-- Replace the O-ring after removal.

-- Clean the plug and tighten with a new O-ring to 25 Nm.

Plug version "B" :

-- Replace the plug after removal.

-- Tighten the plug to 40 Nm.

Special tools and workshop equipment required 

• Pop Rivet Pliers :V.A.G 1753B 
• Washers M4 quantity 3, commercially available

Washers, preparing

-- Prepare a washer with an outer diameter of approximately 7.7 mm.