Beetle L4-1781cc 1.8L Turbo (APH) (1999)
Connecting Rod: Service and Repair
Pistons and connecting rods, disassembling and assembling
Vehicles with engine code APH
Note:
Secure engine to engine bracket VW 540 on assembly stand when dissembling/assembling engine.
1. Piston ring
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Offset gaps by 120°
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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, Refer to Fig. 1
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Checking ring to groove clearance, Refer to Fig. 2
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2 or 3 part oil scraper ring, mixed installations permissible
2. Piston
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Checking, Refer to Fig. 3
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Mark installation position and cylinder number
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Arrow on piston crown points to pulley end
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Install using piston ring clamp
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: Marking -A- faces toward pulley end
4. Connecting rod bearing cap
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Note installation position
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Installation position: Marking -A- faces towards pulley end
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Mark cylinder number -B-