Cayenne Turbo (9PA) V8-4.8L Turbo (2008)
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Carefully cover components or seal them if repair work will not be carried out immediately. Place rubber caps on connections. Seal intake
openings with film or adhesive tape.
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Only install clean parts. Do not take spare parts out of the packaging until just before installation.
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Never use compressed air when the system is open. Do not move the vehicle.
CAUTION:
Danger of fire from leaking high-pressure lines.
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Fuel can leak out if high-pressure lines are bent or damaged.
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Fuel can leak out if threaded joints are not fitted correctly.
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Fuel can leak out if the tightening specifications are not observed.
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Never bend high-pressure lines.
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The high-pressure distribution pipe (rail) or other fuel feed components in the high-pressure area must always be completely
removed.
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Perform a visual inspection to ensure that connection points are undamaged and perfectly clean.
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Check that threaded joints at connection points are not seized up or corroded. Make sure the thread is not damaged.
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Fit union nuts on all connection points by hand before screwing in screws or bolts.
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Pay attention to cleanliness. Remove dirt on the ball/conical joints.
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Check or inspect connection points for leaks following assembly.
INFORMATION:
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The ignition must be switched off when working on the fuel system.
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Absorb any escaping fuel using a suitable binding material or a cloth.
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Cloths which have absorbed fuel must be disposed of according to the applicable national laws.
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The fuel system must be depressurised before starting work on it.
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Only work on the fuel system in well-ventilated rooms.
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Any seals which have been removed must always be replaced.
1. Pull off cable plug for high-pressure sensor. -2-
2. Place a cloth around the high-pressure connection on the high-pressure line -3-. Relieve the fuel pressure by slowly opening the high-pressure line
with an open-ended wrench.