A4 Sedan L4-1.8L Turbo (AEB) (1997)
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Place toothed belt on crankshaft gear noting direction of rotation.
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Install lower toothed belt cover.
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Using a bolt, secure vibration damper/belt pulley (note locating point).
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Set crankshaft to TDC Cyl. 1 position.
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Place toothed belt on belt tensioner and camshaft gear.
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Tighten toothed belt by turning tensioner -A- to right using 2 pin spanner (i.e. Matra V159 pin wrench) until cylinder -1- is fully extended and
tensioner -2- is raised by approximately 1 mm.
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Tighten mounting bolt -3- hand tight.
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Turn crankshaft 2 rotations in running direction.
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Check area -A- for proper alignment with the upper edge of piston -2- (Fig. A13-0012) and adjust if necessary.
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Area -A-: adjustment OK
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Area -B-: wear limit
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Area -C-: re-adjust and check belt drive including tensioner for wear
Note: If edge of piston is located in area -A-, measurement -D- is between 25-29 mm (0.984 - 1.142 inch).
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Counterhold toothed belt tensioner using 2 pin spanner -B- and tighten mounting screw 3-.