K Yukon/Denali 4WD V8-5.7L VIN R (2000)
5. Remove the Y-pipe and the catalytic converter assembly.
6. Remove the muffler and the catalytic converter assembly.
INSTALLATION PROCEDURE
NOTE: Refer to Fastener Notice in Service Precautions.
1. Install the flange seals to the Y-pipe, catalytic converter assembly at the exhaust manifold.
2. Install the studs into the exhaust manifold.
Tighten
Tighten the studs to 22 N.m (16 lb ft).
3. Install the exhaust nuts to the studs in the exhaust manifold.
Tighten
Tighten the nuts to 64 N.m (47 lb ft).
4. Install the muffler and the catalytic converter assembly.
5. Position the Y-pipe and the catalytic converter assembly to the flat flange.
6. Install the nuts to the flat flange studs.
Tighten
Tighten the nuts to 64 N.m (47 lb ft).
