TT Coupe L4-1.8L Turbo (AWP) (2005)
Piston: Service and Repair
Pistons and connecting rods, disassembling and assembling
Note:
When working on the engine it should be secured to engine stand with engine bracket VW 540.
1 - Piston ring
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Offset gaps by 120 degrees
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Remove and install with piston ring pliers
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"TOP" faces toward piston crown
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Checking ring gap Go to Fig. 1
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Checking ring to groove clearance Go to Fig. 2
2 - Piston
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Checking Go to Fig. 3
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Mark installation position in relation to connecting rod and cylinder number with a permanent felt marker.
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Arrow on piston crown points to pulley end
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Install using piston ring clamp
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Piston and cylinder dimensions
3 - Connecting rod
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Only replace as a set
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Mark cylinder number -B-.
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Installation position: Marks -A- must be aligned and facing belt pulley side
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With hole for lubricating piston pin