Engine 4.3L 6-Cylinder
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Recommended Oil viscosity: 5W-30
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Oil certification: API
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Drain Plug Torque: 18 FT-LBS
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Oil capacity: 4.5 quarts
Spark Plug Gap
- 4.3L 6-Cylinder:
Engine 5.3L 8-Cylinder
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Recommended Oil viscosity: 5W-30
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Oil certification: DEXOS-1
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Drain Plug Torque: 18 FT-LBS
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Oil capacity: 6.0 quarts
Cooling System
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Capacity:
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VORTECTM 4300 V6
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WITHOUT REAR HEATER:14.2 quarts (1 3.5 L)
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WITH REAR HEATER: 16.3 quarts (15.5 L)
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VORTECTM 4800 V8
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WITHOUT REAR HEATER:14.7 quarts (1 4.0 L
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WITH REAR HEATER: 16.9 quarts(16.0 L)
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VORTECTM 5300 V8
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WITHOUT REAR HEATER:13.9 quarts (13.2 L)
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WITH REAR HEATER: 16.0 quarts (1 5.2 L)
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VORTECTM 6000 V8
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WITHOUT REAR HEATER:14.5 quarts (13.8 L)
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WITH REAR HEATER: 17.1 quarts (1 6.2 L)
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Fuel
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Capacity:
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Standard Tank (Passenger and Cargo) 31.0 gallons (117.3L)
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Standard Tank (Cab and Chassis ) 35.0 gallons (132.5 L)
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Air Conditioning Refrigerant
- Capacity:
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Front: 18lbs (0.81kg)
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Front and Rear: 3.1 lbs (1.41kg)
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Engine Coolant
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Type: 50/50 mixture of clean, drinkable water and use only DEX-COOL® Coolant.
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Capacity: 11.9 qt (11.3 L)
Hydraulic Brake System
- Type: Delco® Supreme 11 Brake Fluid or equivalent DOT-3 brake fluid.
Windshield Washer
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Type: Optikleen® Washer Solvent.
Parking Brake Cable Guides
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Type: Chassis Lubricant (GM Part No. U.S. 12377985, in Canada 88901242) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Power Steering System
- Type: GM Power Steering Fluid (GM Part No. U.S. 89021184, in Canada 89021186).
Automatic Transmission
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Type: DEXRON®-VI Automatic Transmission Fluid.
Key Lock Cylinders, Hood and Door Hinges
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Type: Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in Canada 10953474).
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 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 89021677, in Canada 89021678) meeting GM Specification 9986115.
Carrier Assembly – Differential (Rear Drive Module) and Transfer Case (Power Transfer Unit)
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Type: SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 88900401, in Canada 89021678).
Rear Driveline Center Spline and Universal Joints
- Type: Chassis Lubricant (GM Part No. U.S. 12377985, in Canada 88901242) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Constant Velocity Universal Joint
- 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 Latch Assembly, Secondary Latch, Pivots, Spring Anchor, and Release Pawl
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Type: Lubriplate Lubricant Aerosol (GM Part No. 89021668, in Canada 89021674) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Hood and Door Hinges, Body Door Hinge Pins, Liftgate Hinge and Linkage, Folding Seats, and Fuel Door Hinge
- Type: Multi-Purpose Lubricant, Superlube(GM Part No. U.S. 12346241, in Canada 10953474).
Outer Tailgate Handle Pivot Points and Hinges
- 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
GMT600
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4.3L L35 V6 (1996–2002)
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4.3L LU3 V6 (2002)
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5.0L L30 V8 (1996–2002)
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5.7L L31 V8 (1996–2002)
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7.4L L29 V8 (1996–2000)
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8.1L L18 V8 (2001–2002)
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6.5L Detroit Diesel V8 (1996–2002)
GMT610
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2.8L Duramax I4 turbo-diesel (2017–present)
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4.3L Vortec 4300/LU3 V6 (2003–2014)
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4.3L EcoTec3 4300/LV1 V6 (2018–present)
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4.8L Vortec 4800/LR4 V8 (2003–2007)
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4.8L Vortec 4800/LY2 V8 (2008–2009)
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4.8L Vortec 4800/L20 Flex-fuel V8 (2500/3500, 2010–2017)
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5.3L Vortec 5300 LM7 V8 (2003–2007)
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5.3L Vortec 5300/LMF Flex-fuel V8 (2008–2014)
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6.0L Vortec 6000/LQ4 V8 (2003–2008)
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6.0L Vortec 6000/L96 Flex-fuel V8 (2010–2020)
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6.0L Vortec 6000/LC8 gasoline/CNG/LPG V8 (2018–2020)
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6.6L Duramax Diesel V8 (2006–2016)
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6.6L L8T V8 (2021–present)
Transmission
GMT600
-
4 speed automatic 4L60E (1500 series)
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4-speed automatic 4L80E (2500 and 3500 series)
GMT610
-
4-speed automatic 4L60E on 1500 (2003–2014)
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4-speed automatic 4L80E on 2500 and 3500 (2003–2009)
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6-speed automatic 6L90-E on 2500 and 3500 (2010–present)
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8-speed automatic 8L90-E on 2.8L Duramax and 4.3L Ecotec3 V6 engines (2017–present)
Fuel Consumption

References
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2003 GMC SAVANA Owners Manual
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GMC SAVANA- Wikipedia.org
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US Department of Energy - FuelEconomy.gov
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NHTSA | National Highway Traffic Safety Administration - NHTSA.gov
Lights
Front Lights
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Front Sidemarker Light Bulb: 194
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Front Turn Signal Light Bulb:
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3157-SCK
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3157KX
-
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High Beam and Low Beam Headlight Bulb: H5054
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High Beam Headlight Bulb: 9005
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Low Beam Headlight Bulb: 9006
Rear Lights
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Back Up Light Bulb:
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3157-SCK
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3157KX
-
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Brake Light Bulb:
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3157-SCK
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3157KX
-
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Center High Mount Stop Light Bulb: 912
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License Plate Light Bulb: 194
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Parking Light Bulb:
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3157-SCK
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3157KX
-
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Rear Turn Signal Light Bulb:
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3157-SCK
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3157KX
-
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Tail Light Bulb:
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3157-SCK
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3157KX
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Interior Lights
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Dome Light BulbDome Light Bulb: 211-2
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Engine Compartment Light Bulb: 578
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Glove Box Light Bulb: 194
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Luggage Compartment Light Bulb: 211-2
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Map Light Bulb: 578
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Vanity Mirror Light Bulb: 37