gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Exhaust - Muffler Heat Shield Buzz During Operation|Page 3388 > < Exhaust - Muffler Heat Shield Buzz During Operation|Page 3386
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Caution:  Refer to Fastener Caution   (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).

1. If equipped with a 6L90-E automatic transmission, RPO MYD, install the exhaust pipe hanger bracket and bolts and tighten to 25 Nm (18 lb ft).

2. If equipped with a Allison(R) automatic transmission, RPO MW7, install the exhaust pipe hanger bracket and bolt/stud and tighten to 25 Nm (18

lb ft).

Exhaust - Muffler Heat Shield Buzz During Operation|Page 3388 > < Exhaust - Muffler Heat Shield Buzz During Operation|Page 3386