Is it OK to use aftermarket transmission fluid?

Does it matter the brand of transmission fluid?

Brand doesn’t matter but fluid specifications really do, especially with automatic trans fluids. Put the wrong stuff in and your clutch packs burn out fast. Same applied to limited slip differentials. It has to do with the ‘friction modifiers’, additives designed to make the clutches slip (or not) properly.

Can new transmission fluid cause problems?

Pumping new transmission fluid in pushes the old fluid out and into the outgoing hose. … This is why many people worry that changing transmission fluid can cause a transmission to slip, but if you’re changing your transmission fluid regularly, you won’t have to worry about this problem.

Can you use different brands of transmission fluid?

Yes. Synthetic ATF and conventional fluids are 100 percent compatible with each other.

Can transmission fluid be mixed?

Mixing. Mixing mineral-based and synthetic transmission fluid is acceptable, according to Mobil and Valvoline, both of which manufacturer synthetic and mineral-based fluid for a variety of vehicles. Manufacturers even sell prepackaged blends of synthetic and mineral-based transmission fluid.

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What happens if you 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.

Can I use dexron 3 instead of ATF 4?

Use ATF+4 only. Don’t use anything with Dexron/Mercon fluids. These fluids will cause TCC slippage/chatter problems plus wear out your transmission sooner than you would like for. The slipping could also be due to the bands needing adjustment.

Will changing transmission fluid help shifting?

Automatic transmission fluid can get very hot and over time that hot fluid can cause rubber seals to harden and crack. If the clutch pack lip seal develops cracks, the discs inside will slip when they should be held solidly against one another. That slipping action causes the clutch discs to heat up and deteriorate.

Can you add transmission fluid without changing it?

Most service centers and shops do not charge any more or less to flush or change your transmission fluid than an oil change. However, like oil changes, you can even do this yourself. … When properly set up, it will in fact let the new transmission fluid in.

Why does my transmission slip after fluid change?

If the valve body gets all gunked up with transmission fluid that’s damaged, the driver could lose the ability to shift between gears. And that’s why so many people believe that changing old transmission fluid can cause it to slip. … Simply change your transmission fluid regularly and you won’t have to worry about it!

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What happens if you mix different types of transmission fluid?

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.

Should you use synthetic transmission?

Because of superior engineering, the synthetic fluid is better at lubricating your transmission and is able to sustain its viscosity in a broad temperature range. Consequently, in using a synthetic fluid you can expect your vehicle to shift more smoothly. This will likely be true even with variations in temperatures.

What is compatible with Type A transmission fluid?

Type A ATF History And Compatibility

The “Type A, Suffix A” specification replaced Type “A” in the late 1950’s. Dexron “B” fluid later replaced Type A, Suffix A. All iterations of Dexron B, Dexron II and Dexron III ATF products are backward compatible with Type A and Type A , Suffix A fluids.