C Yukon 2WD V8-5.7L VIN R (1999)
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Tighten the nuts to 64 Nm (47 ft. lbs.).
4. Position the Y-pipe and the catalytic converter assembly to the flat flange.
5. Install the nuts to the flat flange studs.
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Tighten the nuts to 64 Nm (47 ft. lbs.).
6. Check for clearance and alignment.
7. Lower the vehicle.
