Passat Sedan V6-3.6L (BLV) (2008)
Piston: Locations
Piston and Connecting Rod Assembly Overview
1. Piston rings
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Offset gaps by 120 degrees
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Use piston ring pliers for removal and installation
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"TOP" faces toward piston crown
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Check piston ring groove clearance
2. Piston
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Mark installed location to connecting rod and affiliation to cylinder
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The two deep valve recesses in piston head point toward center of cylinder block.
3. Circlip
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Ensure seated tightly
4. Connecting rod
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Only replace as set
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Affiliation to the cylinder mark - B
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Installation position: Markings - A - must align
5. Bearing shell
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Note installation position
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Do not interchange used bearing shells
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Bearing shell retaining tabs must be firmly seated in the notches
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Axial play new: 0.05 to 0.31 mm Wear limit: 0.40 mm
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Measure radial clearance with Plastigage: New: 0.02 to 0.07 mm Wear limit: 0.10 mm. Do not turn crankshaft when checking radial clearance
6. Connecting rod bearing cap
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Affiliation to the cylinder mark - B -
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Installation position: Markings - A - must align
7. 30 Nm + 1/4 turn (90 degree)
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Replace
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Lubricate threads and contact surface
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Tighten to 30 Nm to measure radial play, do not turn further
8. Cylinder block
9. Piston pin
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If difficult to move, heat piston to 60 degree C
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Removing and installing using a drift VW 222 A