A8 Quattro Sedan V8-4.2L (BVJ) (2008)
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Make sure the high pressure lines are seated free of stress.
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To tighten the 14 mm diameter union nut on the high pressure lines, use the (VAG 1331) with the (VAG 1331/8).
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To tighten the 17 mm diameter union nut on the high pressure lines, use the (VAG 1331) with the (VAG 1331/6).
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Only install the retaining tabs after the high pressure lines have been tightened.
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Observe the safety precautions after connecting the battery.
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If necessary, fill the cooling system.
Fuel Injectors
Special tools, testers and auxiliary items required
‹› Torque wrench (5-50 Nm) (VAG 1331)
‹› Tool insert, AF 17 (VAG 1331/6)
‹› Socket insert AF 14 (VAG 1331/8)
‹› Tool set (T10133)
Removing
CAUTION!
‹› Fuel system is under high pressure! Before opening the high pressure components of the fuel injection system, the pressure must be
