Look up GMC Sierra specification, engine oil capacity, spark plug gap, safety rating, fuel consumption, transmission, and light bulb sizes.
Engine 6.0L 8-Cylinder
- Recommended Oil viscosity: 5W-30
- Oil certification: API
- Drain Plug Torque: 18 FT-LBS
- Oil capacity: 6.0 quarts
Spark Plug Gap
- 6.0L 8-Cylinder : 0.040”
Engine 8.1L 8-Cylinder
- Recommended Oil viscosity: 5W-30
- Oil certification: API
- Drain Plug Torque: 21 FT-LBS
- Oil capacity: 4.5 quarts
Spark Plug Gap
- 8.1L 8-Cylinder: 0.060”
Engine 6.6L 8-Cylinder
- Recommended Oil viscosity: 15W-40
- Oil certification: API
- Drain Plug Torque: 18 FT-LBS
- Oil capacity: 10.0 quarts
Air Conditioning Refrigerant R134a
- Capacity: 1.6 lbs (0.7 kg)
Cooling System
- VORTEC™ 4300 V6 Automatic with Front A/C*: 14.8 qts (14.0 L)
- VORTEC™ 4300 V6 Automatic with Front A/C**: 16.4 qts (15.5 L)
- VORTEC™ 4300 V6 Manual with Front A/C*: 15.1 qts (14.3 L)
- VORTEC™ 4300 V6 Manual with Front A/C**: 16.6 qts (15.7 L)
- VORTEC™ 4800 V8 Automatic with Front A/C**: 16.8 qts(15.9 L)
- VORTEC™ 4800 V8 Manual with Front A/C**: 17.0 qts (16.1 L)
- VORTEC™ 5300 V8 Automatic with Front A/C**: 16.8 qts (15.9 L)
- VORTEC™ 6000 V8 Automatic* : 16.0 qts(15.1 L)
- VORTEC™ 6000 V8 Automatic**: 16.7 qts (15.8 L)
- VORTEC™ 6000 V8 Manual* :16.4 qts (15.5 L)
- VORTEC™ 8100 V8 HD Automatic*:25.0 qts (23.7 L)
- VORTEC™ 8100 V8 Automatic*: 26.9 qts (25.5 L)
- VORTEC™ 8100 V8 Manual*: 27.1 qt (25.6 L)
Fuel
- Short Bed and 2500 LD: 26.0 gal (98.0 L)
- Long Bed and Chassis Cab (Pickup Box Delete): 36.0 gal (136.0 L)
- Chassis Cab 3500 and 3500HD — front : 27.0 gal (102.0 L)
- Chassis Cab 3500 and 3500HD — rear : 23.0 gal (87.0 L)
Engine Coolant
- Type: 50/50 mixture of clean, drinkable water and use only DEX-COOL® Coolant.
Hydraulic Brake System
- Type: Delco® Supreme 11 Brake Fluid or equivalent DOT-3 brake fluid.
Windshield Washer Solvent
- Type: Optikleen® Washer Solvent.
Hydraulic Clutch System (5–Speed Trans.)
- Type: Hydraulic Clutch Fluid (GM Part No. U.S. 12345347, in Canada 10953517) or equivalent DOT-3 brake fluid
Hydraulic Clutch System (6–Speed Trans.)
- Type: Hydraulic Clutch Fluid. Use only GM Part No. U.S. 88958860, in Canada 88901244, Super DOT-4 brake fluid
Power Steering System
- Type: GM Power Steering Fluid (GM Part No. U.S. 89021184, in Canada 89021186)
Manual Transmission (5–Speed with Low Gear, RPO MW3)
- Type: GM Goodwrench® Synthetic ManualTransmission Fluid (GM Part No. U.S. 12346190, in Canada 10953477) or equivalent SAE 75W-85 GL-4 gear oil
Manual Transmission (5–Speed without Low Gear, RPO MG5)
- Type: Synchromesh Transmission Fluid (GM Part No. U.S. 12345349, in Canada 10953465).
Manual Transmission (6–Speed)
- Type: Synthetic Transmission Fluid approved to Allison Transmission® specification TES-295 (GM Part No. U.S.12378515, in Canada 88900701)
Automatic Transmission
- Type: DEXRON®-III Automatic Transmission Fluid. Look for “Approved for the H-Specifification” on the label.
Key Lock Cylinders
- Type: Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in Canada 10953474).
Floor Shift Linkage
- Type: Lubriplate Lubricant Aerosol (GM Part No. U.S. 12346293, in Canada 992723) or lubricant meeting requirements of NLGI #2 Category LB or GC-LB.
Parking Brake Cable Guides
- Type: Chassis Lubricant (GM Part No. U.S. 12377985, in Canada 88901242) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Automatic Transmission
- Type: DEXRON®-VI Automatic Transmission Fluid.
Chassis Lubrication
- Type: Chassis Lubricant(GM Part No. U.S. 12377985, in Canada 88901242) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Front and Rear Axle
- Type: SAE 80W-90 Axle Lubricant (GM Part No. U.S. 1052271, in Canada 10950849)
Rear Axle
- Type: SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 12378261, in Canada 10953455) meeting GM Specification 9986115
Rear Axle (Steerable)
- Type: Synthetic Axle Lubricant; use only GM Part No. U.S. 12378557, in Canada 88901362. Do not add a friction modifier
Manual Transfer Case
- Type: DEXRON®-III Automatic Transmission Fluid. Look for “Approved for the H-Specifification” on the label.
Automatic Transfer Case
- Type: AUTO-TRAK II Fluid (GM Part No. U.S. 12378508, in Canada 10953626)
Front Axle Propshaft Spline or One-Piece Propshaft Spline (Two-Wheel Drive with Auto. Trans.)
- Type: Spline Lubricant, Special Lubricant (GM Part No. U.S. 12345879, in Canada 10953511) or lubricant meeting requirements of GM 9985830.
Rear Driveline Center Spline
- Type: Chassis Lubricant (GM Part No. U.S. 12377985, in Canada 88901242) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Hood Hinges
- Type: Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474)
Body Door Hinge Pins, Tailgate Hinge and Linkage, Folding Seats, and Fuel Door Hinge
- Type: Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474)
Tailgate Handle Pivot Points, Hinges, Latch Bolt, and Linkage
- Type: Multi-Purpose Lubricant, Superlube GM Part No. U.S. 12346241, in Canada 10953474).
Weatherstrip Conditioning
- Type: Weatherstrip Lubricant (GM Part No. U.S. 3634770, in Canada 10953518) or Dielectric Silicone Grease (GM Part No. U.S. 12345579, in Canada 992887).
Weatherstrip Squeaks
- Type: Synthetic Grease with Teflon, Superlube (GM Part No. U.S. 12371287, in Canada 10953437).
Powertrain
Engine
- 4.3 L V6 195 hp (145 kW)[15][16]
- 4.8 L V8 295 hp (220 kW)[15]
- 5.3 L V8 315 hp (235 kW)[15]
- 6.0 L V8 367 hp (274 kW)[15] (2007–2009)
- 6.2 L V8 403 hp (301 kW)[15] (2009–2013)
Transmission
- 4-speed 4L60-E automatic
- 4-speed “2-Mode Hybrid transmission” 2ML70 (Hybrid)
- 6-speed manual (Mexico only)
- 6-speed 6L80 automatic
Fuel Consumption
Safety Ratings
