K 2500 Yukon XL 4WD V8-8.1L VIN G (2001)
14. If equipped with the 6.0L, 6.6L, or 8.1L engine with the RPO M74 transmission, install the engine harness clip to the PCM cover.
15. If equipped with the 8.1L engine perform the following:
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Install the air cleaner outlet duct.
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Tighten the air cleaner outlet duct clamps at the following locations:
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Throttle body
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MAF/IAT sensor
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Tighten the air cleaner outlet duct clamp screws to 7 Nm (62 inch lbs.).
16. If equipped with a 4.81L, 5.3L, or 6.0L engine, perform the following:
Important: Align the arrow at the throttle body end of the duct with the throttle body attaching stud.
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Install the air cleaner outlet duct.
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Install the radiator inlet hose clip to the outlet duct.
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Tighten the air cleaner outlet duct clamps at the following locations:
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Throttle body
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MAF/IAT sensor