Back to 2021 GMC Sierra 1500

2021 GMC SIERRA 1500

3.0L I6 Duramax DieselRWDAUTOMATICdieselturbo
7 active safety recalls on this vehicle — view recalls
Repairs0Labor593Torque4770Fluid7DTC821Battery0Maintenance0Recalls7
exhaust

Muffler Torque Specs

for 2021 GMC Sierra 1500 3.0L I6 Duramax Diesel · RWD
Units

8 fasteners

Seq
Component
Torque
Angle
Clamp Bolts
42 lb-ft · 57 Nm
Flange Bolts
Apply anti-seize
32 lb-ft · 43 Nm
Hanger Bolts
16 lb-ft · 22 Nm
Hanger Bracket Bolts
18 lb-ft · 25 Nm
Heat Shield Bolts
10 lb-ft · 14 Nm
Manifold Nuts
Apply anti-seize
26 lb-ft · 35 Nm
Muffler Clamps
41 lb-ft · 55 Nm
O2 Sensor
Apply anti-seize to threads
37 lb-ft · 50 Nm
Building an app?
Free API access to all this data — 50 requests/day, no card required.
Get an API key →
Run a shop?
Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.
Try ShopBase →