RS 6 V8-4.2L Turbo (BCY) (2003)
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Remove exhaust gas temperature sensor -3-.
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Unscrew nuts -1-.
Note: Item -2- remains installed.
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Unscrew nuts -1- to -12- and remove left exhaust manifold.
Installing
Install in reverse sequence; note following points:
Note:
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Always replace gaskets, seals and self-locking nuts.
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Any heat insulation sleeves which are taken off when removing must be re-attached in same position when installing.
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All cable ties which are opened or cut open on removal must be replaced in same position when installing.
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Remove any traces of oil or grease on hose connections and hoses for charge air system before installing. Do not apply lubricant.
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Secure all hose connections with correct hose clamps., Refer to Parts Supplier.
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Tighten exhaust manifold nuts diagonally starting from center.
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Install temperature sensor for exhaust temperature sensor so that connection piece points downward. The wire is routed upward in a loop.
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Replace O-ring on dipstick guide tube.
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Install left turbocharger and align.
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Install front left exhaust pipe.
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Install engine.