
It is marked on the bottle not to be used as power steering fluid. Mistakenly adding motor oil or brake fluid can also destroy your transmission.Ĭan DEXRON III be used as power steering fluid? A mechanic might not be able to reverse the damage, even by flushing the transmission.

Using the wrong fluid can cause poor lubrication, overheating, and possibly transmission failure. What happens if you use the wrong transmission fluid? … GM considers Dexron VI to be “backward compatible,” meaning GM recommends it for use in any vehicle that originally used any earlier version of Dexron and that it can be mixed with them. Adding ATF to a to a CVT will eventually result in the death of your transmission.ĭexron IV was an upgraded version of Dexron III, which was used by GM only briefly. The most common situation where the wrong transmission fluid is used is in the case of using automatic transmission fluid in place of variable transmission fluid and vice versa. The three speed doesn’t require ATF+4 to function properly it’s just now the only fluid recommended for all applications. It’s probably better to have all one fluid, but you can add ATF+4. The three-speeds can take Dexron II and up, any Chrysler fluid, and they can be mixed. It may be hard to see on the dipstick, but if you wipe it on a clean white rag, it will appear bright to dark pink/red.ĪTF Dexron-III is a premium automatic transmission fluid specially formulated to meet the needs of today’s more compact transmissions, running at higher operating temperatures and with electronic control. When the fluid is new, it has a translucent red color.
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Transmission Fluid – Synthetic Oil Type – GM DEXRON III Manufacturers Recommended Fluid – Free Shipping on Orders Over $99 at Summit Racing. Since 1998, Chrysler has been using a synthetic ATF, either ATF+4 or ATF+5, which Chrysler specifically says is not compatible with either Dexron or Mercon. Moreover, this Valvoline ATF is essentially a version of the old Dexron III and Mercon ATFs. DEXRON-VI is also compatible with any former version of DEXRON for use in automatic transmissions. Aftermarket fluids asserted by their manufacturers to meet Dexron-III(H) and earlier standards continue to be sold under names such as Dex/Merc.Ĭan I use DEXRON VI instead of DEXRON III?ĭEXRON-VI can be used in any proportion in past model vehicles equipped with an automatic transmission, in place of DEXRON-III (for instance, topping off the fluid in the event of a repair or fluid change).
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Dexron VI is a low viscosity transmission fluid and should also be used with the full synthetic low viscosity transmission fluid.Īll Dexron-III (H) licenses expired permanently at the end of 2011, and GM now supports only Dexron-VI fluids for use in their older automatic transmissions. So yes, MERCON and MERCON/DEXRON III are the same thing.ĭexron VIDexron VI replaced Dexron II and III, and can be used in General Motors domestically built or import transmissions that specified Dexron II or Dexron III. The specs for MERCON and DEXRON III were so similar that any fluid that met one spec also met the other. Is Mercon/Dextron III same as Dextron III? >I have an ’87 Trans Am with 4 speed auto trans (700 R4). I do not even think you can buy Dexron II anymore at part store. If you look on the back of the Dexron III quart, since 1967.


Some Chrysler transmissions in particular call for Chrysler-specific fluid, which must be used.Ĭan you use Dexron II instead of dexroniii? The thing to be careful of is mixing formulations. So it’s fine to put DEXRON VI or DEXRON III in most cars. Recommended by ExxonMobil for use in any power steering unit where a DEXRON® or MERCON® fluid is recommended. The specifications of the two formulas are so similar that the two are often considered interchangeable, even if the car manufacturer recommends only using its specific formula.Ĭan I use Dexron III in my PowerSteering? What is the difference between Dexron III and Mercon V?ĭexron III and Mercon V are similar types of automatic transmission fluid, with the main difference being that Dexron is the formula developed by General Motors, while Mercon was created by Ford.
