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What kind of transmission fluid does a 2003 Dodge Ram 2500 6 speed manual take?

The 2003 Dodge Ram 2500 with a 6-speed manual transmission requires the use of a specific type of transmission fluid. According to the vehicle's owner's manual and technical specifications, the recommended transmission fluid for this model is Mopar ATF+4 or an equivalent DEXRON III/MERCON automatic transmission fluid.


Transmission Fluid Specifications


The 2003 Dodge Ram 2500 with a 6-speed manual transmission has the following transmission fluid specifications:



  • Fluid Type: Mopar ATF+4 or equivalent DEXRON III/MERCON automatic transmission fluid

  • Fluid Capacity: 3.5 quarts (3.3 liters)

  • Fluid Change Interval: Every 30,000 miles (48,000 km) or 24 months, whichever comes first


It's important to use the recommended transmission fluid to ensure proper lubrication and operation of the manual transmission. Using the wrong fluid can lead to premature wear, damage, and potential transmission failure.


Transmission Fluid Change Procedure


Changing the transmission fluid in a 2003 Dodge Ram 2500 with a 6-speed manual transmission should be done by a qualified mechanic or someone with the proper tools and knowledge. The basic steps involved in the fluid change process are:



  • Park the vehicle on a level surface and apply the parking brake

  • Locate the transmission drain plug, usually on the bottom of the transmission case

  • Place a drain pan underneath the drain plug and remove the plug to allow the old fluid to drain out

  • Once the fluid has drained, replace the drain plug and tighten it securely

  • Locate the transmission fill plug, usually on the side of the transmission case

  • Using a fluid transfer pump, slowly add the new Mopar ATF+4 or equivalent DEXRON III/MERCON fluid until it begins to drip out of the fill hole

  • Replace the fill plug and tighten it securely

  • Start the engine and let it run for a few minutes to circulate the new fluid

  • Check the fluid level and top up if necessary


It's important to follow the manufacturer's recommended fluid change interval to ensure the long-term health and performance of the manual transmission in your 2003 Dodge Ram 2500.

Which grade of a fluid is used in 6 speed at?


Matic D is for 3- and 4-speed transmissions, Matic K is for 6-speed front-wheel-drive transmissions, Matic J is for 5-speed rear-wheel-drive transmissions, Matic-S fluid supersedes Matic-J fluid.



What fluid goes in a Ram 2500 transfer case?


What Fluid Does My Dodge or Ram Transfer Case Take?

Year RangeModelRecommended Fluid
2003-2012Ram 2500, Ram 3500ATF+4
2004-2005Ram 1500ATF+4
2006-2010Ram 15005179014AA
2008-2012Ram 4500, Ram 5500ATF+4



What year did Dodge use 48RE?


48RE:An electronically controlled four-speed automatic transmission found in '03 to'07 Dodges.



How many quarts does a 48RE transmission hold?


Chrysler 47RH, 47RE, and 48RE Transmission Fluid Capacity Instructions. OE Pan: Holds approximately 14 qts. Pour in 6 quarts of transmission fluid into dipstick tube.



What kind of transmission fluid does a Dodge Ram 2500 take?


synthetic ATF +4
We always suggest using a high quality full synthetic ATF +4 specification fluid to ensure proper 68RFE and 66RFE transmission performance and longevity.



What transmission fluid for manual transmission?


Commonly recommended manual transmission fluid formulations include SAE 80W, 75W-90, 80W-90 and SAE 90. In some cases, a multi-grade engine oil or automatic transmission fluid may be recommended. However, a manual transmission fluid is typically the most optimal for manual transmissions.



What kind of transmission fluid does a 2003 Dodge Ram 2500 take?


FRAM – Full Synthetic Dexron VI Automatic Transmission Fluid: 1 Quart (Part No. F426)



Can ATF fluid be used for manual transmission?


Will automatic transmission fluid work in a manual transmission? Yes – provided the original equipment manufacturer recommends it. It's important to check your owner's manual to make sure before dumping ATF in your manual transmission. In fact, some manuals may call for a gear lube or even a motor oil in older units.



What kind of fluid goes in a manual transfer case?


automatic transmission fluid
Most transfer cases are filled with an automatic transmission fluid, which is usually red in colour. Others use a thicker gear oil, and some use a specialized fluid that is specifically made just for that transfer case.



What kind of transmission fluid does a 5.9 Cummins take?


Service Fill: 4.00 QTS. Recommended: BLUE DIAMOND ATF+4/DEXRON III/MERCON V transmission fluid.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.