K 1500 Yukon XL 4WD V8-5.3L VIN T (2001)
9. Install the PCV hose (with valve).
10. Install the vacuum brake booster hose to the rear of the intake manifold, if equipped.
11. Position a NEW EGR pipe gasket on the exhaust manifold.
12. Install the EGR pipe (with valve).
13. Install the following EGR pipe bolts until snug:
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Intake manifold (1)
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Cylinder head (2)
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Exhaust manifold (3)
14. Tighten the EGR pipe bolts.
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Tighten the EGR valve pipe-to-intake manifold bolts to 10 Nm (89 inch lbs.).
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Tighten the EGR valve pipe-to-cylinder head bolts to 50 Nm (37 ft. lbs.).
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Tighten the EGR valve pipe-to-exhaust manifold bolts to 30 Nm (22 ft. lbs.).
15. Route the electrical harness into position over the engine.