If you experience shuddering, shaking, leaks, or a delay in shifting gears, then it’s probably time you bought the best transmission additives. Naturally, the transmission will wear out over time. And due to this, it won’t be as smooth as it was before. Another thing is that sludge will accumulate and this affects its performance. Buying another transmission is excessively expensive. Also, having to rebuild it is also another costly affair, which may not offer a guarantee that it will return back to its earlier good form. The most effective and easiest fix is to use an additive. It will improve the viscosity of the fluid, eliminate sludge, and also improve contact hence reducing slippage. The following are some of the best transmission additives in 2021:
The Top 8 Best Transmission Additives
Last update on 2021-04-17 at 23:27 / Affiliate links / Images from Amazon Product Advertising API
#8. Lubegard 67010 10 (fl. oz.) CVT Recharge and Protect
- By: Lubegard Store
This product is suitable for most CVT transmissions. It’s very easy to use and it’s just a matter of adding it to the transmission. This pack of 10 fluid ounces will be enough and will eliminate any visible as well as unforeseen problems. These include delayed shifting, excessive shuddering and noise, sludge, and much more. We love how fast the product works and you’ll notice the positive effects within a short time. Also, it doesn’t contain harmful compounds that may damage the seals and other internals.
It will improve the lubrication on the belt, chain, pulleys, and the parts well. What’s more, it comes from a well-known brand to give you peace of mind that it will work well. We love the handy bottle pack, which fits in the hands well. It’s easy to use and also comes with a tight lid to prevent slippage. NB: The Lubegard CVT Recharge and Protect is designed for CVT transmissions and may not work well with the normal automatic transmission or manual transmission.
#7. ATP Automotive AT-203 Transmission Additive Synthetic ATF Friction Modifier
- By: ATP Automotive
This product helps to enhance the lubrication inside the transmission. Whats this means is that it will reduce friction that contributes to wear and tear. This is what leads to shuddering and shaking. Also, it enhances the viscosity, which makes it flow better inside the fine channels and openings inside the unit. In so doing, it improves the response hence you won’t experience any delays in shifting. The ATF Automotive AT-203 is suitable for a range of vehicles and models. These include sedans, hatchbacks, SUVs, vans, minivans, light trucks, and more.
It works well with diesel, petrol, Toyota, Nissan, Chrysler, Honda Z1, Mitsubishi, and many others. And since is synthetic, it will last for a very long time. You therefore won’t need to keep adding it all the time. The 10 fluid-pounce pack is good enough for most applications and suits one transmission. We love the nice bottle pack that makes using it easy.
#6. K&W 402033X6 Trans-X (32 Fl Oz.)Automatic Transmission Tune-Up and Stop Leak
- By: CRC
This product will effectively stop leaks, reduce noise, and shuddering in automatic transmissions. It works well with different types of transmissions and engines. These include petrol, diesel, and hybrid. We love the fast action, which allows you to notice a change in a shorter time. What’s more, it’s very safe on the unit and won’t harm the seals, gaskets, rubber hoses, solenoids, wiring, pulleys, chains, or any other parts. It’s a high-quality product that is derived from proven compounds.
It minimizes friction, improve viscosity, and also helps the transmission to run cooler. Another advantage is that the transmission will be less noisy and also the shifting will be smoother. The 32 fluid ounce pack contains a decent volume to suit a single transmission cycle. It doesn’t have a strong chemical smell and also isn’t corrosive. This ensures the internals last for a long time. NB this product isn’t meant for CVT transmission.
#5. Hot Shot’s 32 fluid-ounce Secret Shift Restore, HSSTSE32Z
- By: Hot Shot’s Secret Store
Hot Shot’s Secret Shift Restore is suitable for different automatic transmissions. It comes in a 32 fluid ounce bottle and is very easy to use. This unit will suit the transmission and will eliminate noise, delayed shifting, shuddering, sludge, and more. It works fast and the good outcomes are noticeable within a short time. It’s very safe and has no toxic compounds. Therefore, it won’t damage the seals, gaskets, pulleys, chains, or any other internal components. It will boost performance, lubrication, and minimize fruition and noise.
It reduces the metal-to-metal contact hence will extend the lifespan of the engine. Also, the openings will be cleaner to allow the fluid to move easily and also faster. Moreover, it helps to get rid as well as prevent rust, corrosion, and contaminants. It’s in a simple bottle pack and has a tight lid. It handles the high temperatures well and won’t degrade or break down easily even in demanding situations. The product is safe for petrol as well as diesel engines.
#4. Liqui Moly 20040 Transmission Additive
- By: Liqui Moly Store
Liqui Moly 20040 is also one of the best transmission additives in the market. It reduces metal-to-metal contact by improving lubrication and also slows down wear and tear. In addition, the better flow of the fluid minimizes shuddering and noisy gearshifts. The product does a good job of sealing any openings that may cause leaks. It does this by forming a fine film around the seals as well as gaskets. Therefore, you won’t need to keep adding the transmission fluid or cleaning the surrounding too often due to drips.
The ATF additive is ideal for many vehicles both petrol and diesel. It works with sedans, hatchbacks, vans, SUVs, vans, and light trucks, among others. Like other top choices, its longlasting, and you won’t need to refill the transmission too often. Also, it doesn’t have a strong chemical odor and is safe for the parts and components. These include pulleys, chains, seals, leaks, hoses, wires, solenoids, and more.
#3. Lubegard 19610 (2 Ounce) Dr. Tranny Shudder Fix – 2 Pack
- By: Lubegard Store
Dr. Tranny Shudder is what will fix leaks, minimize noise, and reduce delayed shifting and shaking. It works very well and is also quick acting. The item is compatible with different transmissions and engine types including petrol, and diesel. We love the safe nature that prevents damage to the seals, gaskets, pulleys, rubber hoses, solenoids, chains, wiring, pulleys, and other parts. What’s more, it’s of high quality and will last for along time.
It also helps in the cooling of the transmission and eliminating rust, corrosion, sludge, dirt, and other things. The shifting will not just be quieter but also smoother hence, you will enjoy the ride. The pack of 2 contains 2 flounces and is enough for a single transmission cycle. It doesn’t emit a strong odor and is non-corrosive.
#2. Prolong Super Lubricants (8 oz.) PSL15000 Transmission Treatment
- By: Prolong Super Lubricants
Making it to the best transmission additives review is the Prolong Super Lubricants PSL15000. It comes with superior Anti-Friction Metal technology to minimize metal-to-metal contact and also allow the parts and components to run cooler. This helps the transmission to last a long time and the fluid not to disintegrate easily. It’s a versatile product that works with both Standards (Manual) as well as Automatic Transmissions.
Thanks to the proven compounds, it’s very effective and reliable in minimizing friction, improving viscosity, reducing noise, stopping leaks, and cleaning the internals. You’ll notice faster and smoother shifting as well as consistent response. The ATF additive is compatible with many types of vehicles and engines. Other than boosting the fluid flow and viscosity and cleaning the internals and channels, the product also helps to eliminate corrosion, rust, and an nd also sealing any leaks.
#1. Lucas LUC10009 (24 oz) Transmission Fix, Brown
- By: LUCAS
With the Lucas Transmission Fix, your car will ride smoother and also have lesser noise. It helps to improve the lubrication hence minimizing noise. Also, it slows down wear and tear thus allowing the transmission to lest for a longer period. The additive will combat shuddering and shaking by improving the fluid flow as well as viscosity. It also cleans the channels and openings by removing sludge, corrosion, dirt, slime, and other things.
It comes in a universal design to work with both diesel as well as petrol engines. Thanks to the synthetic nature, it handles the high temperatures well and is less likely to break down easily. This maintains the ATF fluid’s viscosity and integrity. It comes in a nice brown battle and also has a long shelf life. And for extra peace of mind, it comes from Lucas, one of the renowned and respected brands when it comes to the best transmission additives.
You don’t need to overhaul the entire transmission or buy an entirely new unit. With the best transmission additives, you’ll be able to improve its performance, fix leaks, and also extend its lifespan. The right product is very easy to use, works great with different types of transmission, and also is safe for the internals, seals, and other parts. What’s more, it will improve the gear shifting; reduce friction, and wear and tear. There are many good options on the market. But without proper knowledge or information, it can be hard to pick them out. And to help you in the search for the best transmission additives we have evaluated the topmost options that are readily available.