Cayenne Turbo (9PA) V8-4.8L Turbo (2008)
Installing exhaust manifold
INFORMATION:
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Visually inspect exhaust manifold for cracks and distortion.
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A cracked or distorted exhaust manifold must not be reinstalled.
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As a matter of principle, replace seals on manifold.
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Replace the studs in the cylinder head if damaged. Measure the studs with respect to the cylinder head and fit new studs to the same screw-in depth
as the old studs.
1. Clean sealing surfaces. The surfaces must be free from foreign objects.
2. Use a new seal (the seal for the turbocharger is also replaced). The exhaust manifold seal must be positioned so that the part number is visible from
the outside.
3. Slide the exhaust manifold over the studs and fit it using new fastening nuts. The fastening nuts are tightened in the specified tightening sequence
as shown below. - Tightening sequence for exhaust manifold on turbo engine M48/51, cylinders 1 to 4, cylinders 5 to 8.