Exhaust System Alignment
WARNING:
Refer to Exhaust Service Warning .
WARNING:
Refer to Safety Glasses Warning .
CAUTION:
Refer to Exhaust System Inspection Caution .
NOTE:
This procedure is only to be performed if the exhaust is incorrectly aligned or is not clear of all other components or chassis.
NOTE:
Make sure all exhaust retaining nuts and bolts are loose before conducting this procedure.
NOTE:
The L98 exhaust is pictured but flange bolts are in the same location on LY7.
- Initially tighten the catalytic converter to exhaust manifold retaining nuts (1) to 20 (15 lb ft).
- Tighten the catalytic converter to exhaust manifold retaining nuts (1) to 45 (33 lb ft).
- Tighten the exhaust crossover pipe to catalytic converter retaining nuts (2) to 40 (30 lb ft).
- Tighten the muffler to exhaust crossover pipe retaining bolts (3) to 45 (33 lb ft).
CAUTION:
Refer to Fastener Caution .