Jetta L4-2.0L (AZG) (2004)
Connecting Rod: Service and Repair
Assembly Overview
Assembly overview
Conventional connecting rod
1. Piston rings
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Offset gaps by 120°
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Use piston ring pliers to remove and install
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"TOP" faces towards piston crown
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Checking ring gap, Refer Fig. 1
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 belt pulley end
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2-part oil scraper ring
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Checking piston ring-to-groove clearance
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, Refer to Fig. 2
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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 relation to cylinder-B
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Installation position: Marking -A- faces belt pulley end
4. Connecting rod bearing cap
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Mark relation to cylinder-B
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Installation position: Marking -A- faces belt pulley end
5. 30 Nm plus an additional 1/4 turn (90°)
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Always replace
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Oil thread and contact surfaces