TranSynd, they will mix just fine but you can't use the longer changes that TranSynd allows till you do two full changes with Transynd.

Can I use dexron 3 in Allison Transmission?

Dex III/TES-389 fluids are fine in the Allison, even 6 speeds, but you don't get the extended drain intervals. For that, you need to step up to the TES-295 fluids.

What type of transmission fluid goes in a Allison Transmission?

Allison Transmission TES 295® Approved Fluids are approved for use in Allison 1000 Series™, 2000 Series™, 3000 Series™, 4000 Series™ and H 40/50 EP™ on-highway products. Allison recommends that customers using TES 295® Approved Fluid consider Allison's newest fluid spec, TES 668®, for their next service.

What is dexron III compatible with?

1998 – DEXRON III(G)

Example: G-30001. This fluid is backward compatible with all previous Dexron fluids as well as the Type "A" Suffix "A", and the Type "A" fluids produced from 1949 to 1966.

Can dexron 3 be used in all automatic transmissions?

All 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. Aftermarket fluids asserted by their manufacturers to meet Dexron-III(H) and earlier standards continue to be sold under names such as Dex/Merc.

15 related questions found

Is Dexron III compatible with Dexron?

DEXRON-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). DEXRON-VI is also compatible with any former version of DEXRON for use in automatic transmissions.

Can Dexron 3 replace Dexron?

Moreover, you cannot use an ATF, Mercron or older variations of Dexron in vehicles calling for Dexron III.

Is dexron VI OK for Allison transmission?

deXRon®-Vi shall not be used in allison 500, 600 or 700 series transmissions (at, mt, ht, ht/V/Clt products). schedule one tes 389 and deXRon®-Vi fluids will have the same fluid change intervals as the current allison approved non-tes 295 fluid intervals.

Can you mix Dexron III and dexron VI?

Dex 6 is fine to mix with Dex 3. Just do filter and replaced drained fluid.

Is Dexron III the same as dexron VI?

Dexron VI is a lot more stable at higher temperatures and lasts longer. It can also be used to top off dexron 3, however, you can't use dexron 3 if you already have dexron 6 originally in your trans, or if it has been flushed with dexron 6.

Can you mix dexron 3 with Transynd?

You will be fine. As 85Eagle said, you'll be fine. However, you won't be able to do the extended fluid change until you are back to 100% Transynd.

What kind of transmission fluid does a DuraMAX take?

DEXRON ®/MERCON® Automatic Transmission Fluid DuraMAX Multi-Purpose ATF is designed to meet the service requirements of a wide variety of applications.

What is dexron III?

ATF 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.

Are all Allison transmissions automatic?

Allison transmissions are the only fully automatic models on the market. Through the years, Allison has updated and upgraded their technology, which they call “Generations”.

What color is Allison Transmission?

“The trans fluid should be reddish and not have any hint of a burned smell,” says Halsten. “If it's reddish and smells like ATF fluid, it's probably good to the next scheduled filter change interval.

What is TES 295 transmission fluid?

Performance Plus Full Synthetic Heavy Duty (TES-295® & TES-389®) Transmission Fluid offers: Additives to enhance friction properties. Providing smooth shifting, reducing shudder. Formulated for anti-wear protection. Extending the life of the transmission.

What happens if I use the wrong transmission fluid?

Using the wrong fluid can cause poor lubrication, overheating, and possibly transmission failure. A mechanic might not be able to reverse the damage, even by flushing the transmission. Mistakenly adding motor oil or brake fluid can also destroy your transmission.

What happens if you put ATF in a CVT transmission?

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. Adding ATF to a to a CVT will eventually result in the death of your transmission.

What happens if you mix transmission fluid with oil?

Nothing will happen

Or, you may accidentally end up mixing transmission fluid with oil. In the best-case scenario, nothing bad will happen. If you manage to use the recommended transmission fluid, it may not cause any benefits but still won't harm the oil or engine.

Can you mix Allison transmission fluid?

They CAN be mixed, but if you mix them, you bring the capability of the trans fluid down from the TES-295 fluid to the level of the TES-389 spec.

Can I use Valvoline Maxlife ATF in Allison?

The fluid will be fine in you '05 Allison. Normal service schedules should be observed.

Is TES 295 the same as dexron VI?

DexVI is licensed by GM and is not a TES-295 fluid. Dex VI comes in GM Allisons from the factory. GM takes care of warranty issues on the Allison that comes in our GM pick ups not Allison. DEX VI is not synthetic as it comes from the factory or from GM.

Are all DEXRON fluids compatible?

Yes, DEXRON-VI fluid can be used on any vehicle type that calls for DEXRON transmission fluid.

Can I use Dex Merc instead of DEXRON?

GM no longer licenses Dexron III. Dex/Merc would be fine. Dexron VI is listed by GM as backward compatible, but is thinner than original Dexron III.

Is DEXRON 3 and Mercon the same?

Dexron III is a General Motors trademark for qualified automatic transmission fluids. Mercon covers all automatic transmissions for Ford model year 1988 and after. LUBRIPLATE Dexron III/Mercon is designated as make-up and/or refill fluids to meet respective car warranties.