in your garage to make future searches easy.

Condition Value
Automatic transfer case (NP8 Only) AUTO-TRAK® II Fluid GM P/N 12378508
(Canadian P/N 10953626)
Diesel engine oil Engine oil with the letters CH-4 or
CG-4 is best for this vehicle. The
CH-4 or CG-4 designation may
appear either alone, or in combination
with other API designations, such as
API CH-4/SJ, CG-4/SH or
CH-4/CG-4/SJ. These letters show American
Petroleum Institute (API) level of
quality.
Engine coolant 50/50 mixture of clean drinkable
water and use only GM Goodwrench®
DEX-COOL® or Havoline® DEX-COOL®
coolant
Hydraulic brake system Delco Supreme 11® Brake Fluid GM
P/N 12377967 (Canadian P/N 992667) or
equivalent DOT-3 brake fluid
Windshield washer solvent GM Optikleen ® Washer Solvent GM
P/N 1051515 (Canadian P/N 993033) or
equivalent
expand_moreHydraulic clutch system
5-speed transmission Hydraulic Clutch Fluid GM P/N
12345347 (Canadian P/N 10953517) or
equivalent DOT-3 brake fluid
6-speed transmission Hydraulic Clutch Fluid GM P/N
88958860 (Canadian P/N 88901244)
Power steering system GM Power Steering Fluid GM P/N
1052884 -1 pint, 1050017 -1 quart,
(Canadian P/N 993294 -1 pint, 993353 -1
quart) or equivalent
expand_moreManual transmission
5-speed transmission with low gear (MW3) GM Goodwrench Synthetic Manual
Transmission Fluid GM P/N 12346190
(Canadian P/N 10953477) or equivalent
SAE 75W-85 GL-4 gear oil
5-speed transmission without low gear (MG5) Synchromesh Transmission Fluid GM
P/N 12345349 (Canadian P/N 10953465)
or equivalent
6-speed transmission TransSynd ™ Synthetic Automatic
Transmission Fluid GM P/N 12378515
(Canadian P/N 88900701)
Automatic transmission DEXRON®-lll, Automatic Transmission
Fluid
Key lock cylinders Multi-Purpose Lubricant, Superlube®
GM P/N 12346241 (Canadian P/N
10953474) or equivalent
Floor shift linkage Lubriplate® Lubricant Aerosol GM
P/N 1052349 (Canadian P/N 992723) or
equivalent or lubricant meeting
requirements of NLGI # 2 Category LB
or GC-LB
Chassis lubrication Chassis Lubricant GM P/N 12377985
or equivalent or lubricant meeting
requirements of NLGI # 2 Category LB
or GC-LB
Front axle SAE 80W-90 Axle Lubricant GM P/N
1052271 (Canadian P/N 10950849) or
equivalent
Rear axle (with QS4 axle only) SAE 75W-90 Synthetic Axle Lubricant
GM P/N 12378557 (Canadian P/N
88901362) or equivalent
Manual transfer case (NP1, NP2, and NP3) DEXRON®-lll Automatic Transmission
Fluid
Front axle drive shaft spline or one-piece drive shaft spline (two-wheel drive with automatic transmission) Spline Lubricant, Special Lubricant
GM P/N 12345879 (Canadian P/N
10953511) or lubricant meeting
requirements of GM 9985830
Rear drive line center spline Chassis Lubricant GM P/N 12377985
or equivalent or lubricant meeting
requirements of NLGI # 2, Category
LB or GC-LB
Hood hinges Multi-Purpose lubricant, Superlube
®GM P/N 12346241 (Canadian P/N
10953474) or equivalent
Door and seat hinges Multi-Purpose lubricant, Superlube®
GM P/N 12346241 (Canadian P/N
10953474) or equivalent
Outer tailgate handle pivot points, hinges, latch bolt and linkage Multi-Purpose lubricant, Superlube®
GM P/N 12346241 (Canadian P/N
10953474) or equivalent
Weatherstrip conditioning Dielectric Silicone Grease GM P/N
12345579 (Canadian P/N 1974984) or
equivalent
Weatherstrip squeaks Synthetic Grease with Teflon,
Superlube® GM P/N 12371287 (Canadian P/N
10953437) or equivalent

Chevrolet recommendations and specifications for oil and fluid for 2004 Silverado 2500.

Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2004 Chevrolet Silverado 2500 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.

Conquer your fears and never give up!

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 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 2004 Chevrolet Silverado 2500 you're not only saving money, but also also improving your technical skills and learning something new.

Chevrolet Silverado 2500 First generation first facelift model years

Units:
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