Engine oil which meets GM Standard GM6094M and displays the American Petroleum Institute Certified for Gasoline Engines starburst symbol. GM Goodwrench® oil meets all the requirements for your vehicle.
Engine coolant
50/50 mixture of clean, drinkable water and use only DEX-COOL® coolant.
Hydraulic brake system
Delco® Supreme 11 Brake Fluid or equivalent DOT-3 brake fluid.
Windshield washer
GM Optikleen Washer Solvent.
expand_moreHydraulic clutch system
5-speed transmission
Hydraulic Clutch Fluid (GM Part No. U.S. 12345347, in Canada 10953517) or equivalent DOT-3 brake fluid.
6-speed transmission
Hydraulic Clutch Fluid. Use only GM Part No. U.S. 88958860, in Canada 88901244, Super DOT-4 brake fluid.
Power steering system
GM Power Steering Fluid (GM Part No. U.S. 89021184, in Canada 89021186).
expand_moreManual transmission
5-speed transmission with low gear (MW3)
GM Goodwrench® Synthetic Manual Transmission Fluid (GM Part No. U.S. 12346190, in Canada 10953477) or equivalent SAE 75W-85 GL-4 gear oil.
5-speed transmission without low gear (MG5)
Synchromesh Transmission Fluid (GM Part No. U.S. 12345349, in Canada 10953465).
6-speed transmission
Synthetic Transmission Fluid approved to Allison Transmission® specification TES-295 (GM Part No. U.S. 12378515, in Canada 88900701).
Automatic transmission
DEXRON®-lll Automatic Transmission Fluid. Look for "Approved for the H-Specification" on the label.
Key lock cylinders
Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474).
Floor shift linkage
Lubriplate Lubricant Aerosol (GM Part No. U.S. 12346293, in Canada 992723) or lubricant meeting requirements of NLGI #2 Category LB or GC-LB.
Chassis lubrication
Chassis Lubricant (GM Part No. U.S. 12377985, in Canada 88901242) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
expand_moreFront axle
Four-wheel drive
SAE 80W-90 Axle Lubricant (GM Part No. U.S. 1052271, in Canada 10950849).
All-wheel drive
SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 12378261, in Canada 10953455) meeting GM Specification 9986115.
Rear axle (steerable)
Synthetic Axle Lubricant; use only GM Part No. U.S. 12378557, in Canada 88901362.Do not add friction modifier.
Manual transfer case
DEXRON®-lll Automatic Transmission Fluid. Look for "Approved for the H-Specification" on the label.
Automatic transfer case (AWD)
AUTO-TRAK II Fluid (GM Part No. U.S. 12378508, in Canada 10953626).
Transfer case (four-wheel drive)
DEXRON®-lll Automatic Transmission Fluid. Look for "Approved for the H-Specification" on the label.
Front axle drive shaft spline or one-piece drive shaft spline (two-wheel drive with automatic transmission)
Spline Lubricant, Special Lubricant (GM Part No. U.S. 12345879, in Canada 10953511) or lubricant meeting requirements of GM 9985830.
Rear drive line center spline
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
Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474).
Door and seat hinges
Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474).
Tailgate handle pivot points, hinges, latch bolt, and linkage
Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474).
Weatherstrip conditioning
Dielectric Silicone Grease (GM Part No. U.S. 12345579, in Canada 992887).
Weatherstrip squeaks
Synthetic Grease with Teflon, Superlube (GM Part No. U.S. 12371287, in Canada 10953437).
expand_moreDiesel engines
Engine oil
Engine oils with the tetters CI-4 or CH-4 are best for your vehicle. The CI-4 or CH-4 designation may appear either alone, or in combination with other API designations, such as API CI-4/SL. These letters show American Petroleum Institute (API) levels of quality. GM Goodwrench® oil meets all the requirements for your vehicle.
Engine coolant
50/50 mixture of clean, drinkable water and use only DEX-COOL® Coolant.
Hydraulic brake system
Delco® Supreme 11 Brake Fluid or equivalent DOT-3 brake fluid.
Windshield washer
GM Optikleen Washer Solvent.
expand_moreHydraulic clutch system
5-speed transmission
Hydraulic Clutch Fluid (GM Part No. U.S. 12345347, in Canada 10953517) or equivalent DOT-3 brake fluid.
6-speed transmission
Hydraulic Clutch Fluid. Use only GM Part No. U.S. 88958860, in Canada 88901244, Super DOT-4 brake fluid.
Power steering system
GM Power Steering Fluid (GM Part No. U.S. 89021184, in Canada 89021186).
expand_moreManual transmission
5-speed transmission with low gear (MW3)
GM Goodwrench Synthetic Manual Transmission Fluid (GM Part No. U.S. 12346190, in Canada 10953477) or equivalent SAE 75W-85 GL-4 gear oil.
5-speed transmission without low gear (MG5)
Synchromesh Transmission Fluid (GM Part No. U.S. 12345349, in Canada 10953465).
6-speed transmission
Synthetic Transmission Fluid approved to Allison Transmission specification TES-295 (GM Part No. U.S. 12378515, in Canada 88900701).
Automatic transmission
DEXRON®-lll Automatic Transmission Fluid. Look for "Approved for the H-Specification" on the label.
Key lock cylinders
Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474).
Floor shift linkage
Lubriplate Lubricant Aerosol (GM Part No. U.S. 12346293, in Canada 992723) or lubricant meeting requirements of NLGI #2 Category LB or GC-LB.
Chassis lubrication
Chassis Lubricant (GM Part No. U.S. 12377985, in Canada 88901242) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Front axle
SAE 80W-90 Axle Lubricant (GM Part No. U.S. 1052271, in Canada 10950849).
Rear axle
SAE 75W-90 Synthetic Axle Lubricant (GM Part No. U.S. 12378261, in Canada 10953455) meeting GM Specification 9986115.
Manual transfer case
DEXRON®-lll Automatic Transmission Fluid. Look for "Approved for the H-Specification" on the label.
Automatic transfer case
AUTO-TRAK II Fluid (GM Part No. U.S. 12378508, in Canada 10953626).
Front axle drive shaft spline or one-piece drive shaft spline (two-wheel drive with automatic transmission)
Spline Lubricant, Special Lubricant (GM Part No. U.S. 12345879, in Canada 10953511) or lubricant meeting requirements of GM 9985830.
Rear drive line center spline
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
Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474).
Door and seat hinges
Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474).
Tailgate handle pivot points, hinges, latch bolt, and linkage
Multi-Purpose Lubricant, Superlube (GM Part No. U.S. 12346241, in Canada 10953474).
Weatherstrip conditioning
Dielectric Silicone Grease (GM Part No. U.S. 12345579, in Canada 992887).
Weatherstrip squeaks
Synthetic Grease with Teflon, Superlube (GM Part No. U.S. 12371287, in Canada 10953437).
Chevrolet recommendations and specifications for oil and fluid for 2005 Silverado 2500 HD.
Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2005 Chevrolet Silverado 2500 HD user's manual. Keep in mind that all information here is provided “as is” without any warranty of any kind.
Before doing any DIY service please check your insurance policy and Chevrolet warranty policy for your region. In some regions DIY service may invalidate your warranty.
DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works. It's really hard to screw something up and damage your car permanently if you use right tools, follow Chevrolet Silverado 2500 HD service manual and use right parts and fluids in prescribed amounts. Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. It's all may be done by yourself in a mater of a couple of hours.
Doing basic service for your 2005 Chevrolet Silverado 2500 HD you're not only saving money, but also also improving your technical skills and learning something new.
Chevrolet Silverado 2500 HD First generation second facelift model years