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Fig. 71: Checking Cylinder Bores Piston and cylinder dimensions (engine code: APH) PISTON AND CYLINDER DIMENSIONS (ENGINE CODE APH) Vehicles with engine code AWP, AWV 1. Piston ring z Offset gaps by 120° z Remove and install with piston ring pliers z "TOP" faces toward piston crown z Checking ring gap. See Checking Piston Ring Gap z Checking ring to groove clearance. See Checking Ring To Groove Clearance 2. Piston z Checking. See Checking Piston z Mark installation position and cylinder number z Arrow on piston crown points to pulley end z Install using piston ring clamp 3. Piston pin z If difficult to remove, heat piston to 60 °C z Remove and install with VW 222a 4. Circlip 5. Connecting rod z Only replace as a set z Mark cylinder number -B- z Installation position: Marking -A- faces toward pulley end 6. Bearing shell z Note installation position z Do not interchange used bearing shells z Axial clearance Honing dimension Piston diameter Cylinder bore diameter Basic dimen. mm 80.965 (1) 81.01 1st oversize mm 81.465 (1) 81.51 (1) Dimension without graphite coating (thickness 0.02 mm). The graphite coating wears away. NOTE: The following list refers to items in Fig. 72 .
2003 Volkswagen New Beetle GLS 1998-2004 ENGINE Engine Mechanical - New Beetle, 1.8 L 4-Cyl. (APH, AWV, AWP)
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