Installing Cylinder Head - Cylinder Bank 1

1. 1.1  Remove dowel sleeves from cylinder block.
2. 1.2  Clean sealing faces on the cylinder head and cylinder block.
3. 1.3  Insert dowel sleeves into cylinder block.

Fig 1: Cylinder Head Screws Tightening Sequence (Cylinder Bank 1)

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Tightening sequence for cylinder head - cylinder bank 1

1. 2.1  Fit new cylinder-head gasket.
2. 2.2  Carefully place cylinder head in position. Make sure not to damage the new cylinder-head gasket while doing this.
3. 2.3  Screw in new cylinder-head screws -1 to 8-  as far as they will go by hand.
4. 2.4  Screw in screws -9 to 14-  as far as they will go by hand.
5. 2.5  Tighten cylinder-head screws in the sequence -1 to 8-  .

   > Initial tightening 5 N.m (3.5 ft lb.) 

   > Tightening torque 50 N.m (37 ft lb.) 

   > Loosen all screws 0 N.m (0 ft lb.) 

   > Tightening torque 4 N.m (3 ft lb.) 

   > Subsequent tightening 12 N.m (9 ft lb.) 

   Screws -1 to 4-  : > Torque angle 65 Grad 

   Screws -5 to 8-  : > Torque angle 60 Grad 

   Screws -1 to 4-  : > Torque angle 65 Grad 

   Screws -5 to 8-  : > Final tightening torque angle 60 Grad 

6. 2.6  Tighten screws in the sequence -9 to 14-  .

   Screw -9-  : > Tightening torque 15 N.m (11 ft lb.) 

   Screws -10 to 14-  :

   > Initial tightening 5 N.m (3.5 ft lb.) 

   > Torque angle 90° 

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Guide and tensioning rails - cylinder bank 1

1. 3.1  Position guide and tensioning rails -1 and 2-  .
2. 3.2  Screw in and tighten bearing pins -3 and 4-  .

   > Tightening torque 10 N.m (7.5 ft lb.) 

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Coolant distributor

1. 4.1  Replace O-rings.
2. 4.2  Push coolant distributor -1-  onto coolant pipes.
3. 4.3  Screw in and tighten screws -6-  .

   > Tightening torque 13 N.m (9.5 ft lb.) 

4. 4.4  Secure coolant hoses -2 and 3-  .
   1. 4.4.1  Fit coolant hoses -2 and 3-  , making sure that the spring clamp -4-  locks correctly.
   2. 4.4.2  Fasten spring band clamp -5-  using > VAS 6890 - spring band clamp pliers  .

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Vacuum lines on cylinder bank 1

> Tightening torque 33 N.m (24 ft lb.) 

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Screws on coolant regulator housing

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Electric wire harness

1. 7.1  Position electric wire harness -1-  .
2. 7.2  Connect and lock electric plug connection for high-pressure pump -4-  .
3. 7.3  Push on and lock electric plug connection for hall sender -3-  .
4. 7.4  Push on and lock electric plug connection for temperature sensor -2-  .