
Does Lucas transmission additive really work? The bottom line is, Lucas can help with problems normally associated with worn, high mileage transmissions. This will hopefully keep you on the road until you can afford to have the transmission properly repaired.
Full Answer
What is the best automatic transmission additive?
The Best Transmission Additive
- Lucas Transmission Additive. ...
- Lubegard Automatic Transmission Fluid Additive. ...
- Xado Transmission Treatment Additive. ...
- Sea Foam Transmission Additive. ...
- zMax Transmission Additive. ...
- Liqui Moly Transmission Fluid Additive. ...
- Lucas Oil Automatic Transmission Fluid Conditioner. ...
- Lubegard Transmission Shudder Fix. ...
- Prolong Super Lubricants Transmission Treatment. ...
What does Lucas transmission treatment do?
What does Lucas transmission treatment do? Lucas Transmission Fix is a non-solvent formula that stops slip, hesitation and rough shifting in worn transmissions and completely eliminates most seal leaks. Use in any transmission for preventative maintenance. Use also in light duty manual transmissions to increase shifting ease and transmission life.
Should I use Lucas Transmission fix?
Lucas transmission fix is kind of like STP for transmissions. I have used it on old cars with worn out transmissions that needed more pressure in the system. It works in some instances, but not all. Because of it's thick viscosity, it's easy to see why it helps out in worn out junkers. In a new transmission, it shouldn't be necessary to use it.
Can I use Lucas Transmission fix?
You can add Lucas Transmission fix into your transmission with existing fluid without completely draining it. If there are still some little spots left over after adding in this product, you can drive around for a bit and then drain your transmission fluid. Adding transmission additives to your transmission is easy.

Do you have to drain transmission fluid to add Lucas?
bottle of Lucas Transmission Fix can be added to existing fluid without draining. A second bottle may be necessary in large or badly worn transmissions.
Does the Lucas Transmission Fix Really Work?
The additives in Lucas Transmission Fix do seem to improve gear engagement, but stopping transmission leaks tends to be hit or miss (it really depends on the severity of the leak). The bottom line is, Lucas can help with problems normally associated with worn, high mileage transmissions.
Can I put Lucas in my automatic transmission?
Description. A special blend of Lucas additives designed to PREVENT slipping, leaks and wear in automatic transmissions. Improves shifting, Reduces noise and shudder, Extends fluid life. Compatible with all ATF fluids, conventional and synthetic Use in new & older transmissions.
What is the best additive for a transmission?
Our pick for the best transmission additive is the Prolong Super Lubricants PSL15000. It is one of the best transmission additives on the market. It reduces leaks, shudders, slippage, and sludge buildup. For a less pricey option, consider the Lucas LUC10009.
How often can I use Lucas transmission Fix?
approximately every 30-40,000 milesA: We recommend adding a bottle of Lucas Transmission Fix each time you change your transmission fluid (approximately every 30-40,000 miles), or adding a bottle to your current fluid to fix a small leak.
Will adding transmission fluid stop slipping?
If no leaks are detected, you can add more fluid. In addition to preventing slippage, this will lubricate your vehicle's mechanical parts, maintain proper fluid pressure, keep the transmission system cool, prevent oxidation, condition the gasket, and prevent any problematic rust formation.
How do you fix a slipping transmission?
1:504:13How to Fix a Slipping Transmission in Your Car (Fluid Change) - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou just pulled the pan out and as you can see there's a lot of black crud inside then go back ontoMoreYou just pulled the pan out and as you can see there's a lot of black crud inside then go back onto the transmissions on the GM's the filter just pulls. Right off and you replace them due.
What does Lucas transmission conditioner do?
Formulated with the finest base oils and special Lucas additive package, Lucas Oil's Automatic Transmission Fluid Conditioner is designed to PREVENT slipping, leaks and wear to provide smooth, quiet operation while conditioning seals to extend the life of the transmission.
What happens if you overfill transmission fluid?
Foaming Fluid: Overfilled transmission fluid will cause foaming. Once the foaming occurs, it'll lead to several transmission issues, such as inadequate lubrication, overheating, hard shifting, etc. Over time, it could damage the entire system beyond repair.
How can I improve the performance of my automatic transmission?
There are 6 ways to improve automatic transmission performance and reliability. These are servicing the transmission, changing driving habits, driving with lower gears when loaded, maintaining engine performance, having proper alignment of tires, and having the correct tire size.
Will seafoam help my transmission?
Sea Foam's Trans Tune works fast to reliquefy varnish deposits from valve bodies, solenoids and shift actuators. Before you spend $$$$ on a new transmission, try adding a can of Trans Tune to your fluid filler – super easy! Also works great as a fluid cleaner and conditioner, or as a pre-flush cleaner.
What is shudder in transmission?
What Is a Transmission Shudder? Also known as a torque converter shudder, a transmission shudder refers to when your vehicle's transmission begins to noticeably shake or tremble convulsively.
What is the best transmission Stop leak?
5 Best Additives to Stop a Transmission LeakLucas Transmission Fix.BlueDevil Transmission Sealer.No Leak Transmission Stop Leak.ATP AT-205 RE-SEAL.Bar's Leaks Transmission Stop Leak.
Can you use Lucas transmission Fix with synthetic oil?
Answer. Yes, In addition to being great for your engine, you can also mix it 25% / 75% in a manual transmission and 50% / 50% in the differential. Lucas Oil Stabilizer blends with any petroleum-based or synthetic oil, and is formulated for gasoline or diesel engines.
Where do you put Lucas transmission Fix?
0:051:45Lucas Transmission Fix - It Works! - YouTubeYouTubeStart of suggested clipEnd of suggested clipMost sealed leaks are completely eliminated.MoreMost sealed leaks are completely eliminated.
How do you stop a torque converter from shuddering?
Yes, changing transmission fluid or performing a transmission flush will help fix most torque converter shudder problems. However, If you let your torque converter shudder for too long you might have to rebuild or replace it.
What is Lucas Transmission Fix?
Lucas Transmission Fix is a non-solvent transmission additive that contains a blend of friction modifiers and other petroleum-extracted additives. What this means is, the non-solvent formula will not harm any of the seals or internal components inside your transmission over time. The additives are specially designed to help reduce the effects of worn transmission components. This product won’t completely fix a broken transmission, but it will help the transmission operate properly – and for under $10.
How long to drive before adding Lucas transmission fix?
It’s best to drive around for at least 15 minutes or so before introducing this additive so that your engine and transmission are warm and up to operating temperatures. Lucas Transmission Fix is a very thick liquid, and its friction modifiers and additives are designed to dissolve into the transmission fluid as it heats up.
What is the purpose of additives in transmissions?
And, special additives also help to remove sludge and varnish from inside the transmission valve body, which can significantly help up-shift/down-shift operation.
Can you use Lucas to repair a transmission?
It’s important to understand that a transmission additive like Lucas is not the end-all solution to your transmission problems. That said, it can reduce the severity of most symptoms and keep a transmission running longer. Mileage and how you drive can wear down a transmission’s internal components, and the only permanent solution is to fix, rebuild or replace the transmission.
Can you change transmission fluid with Lucas Transmission Fix?
If you’re unhappy with Lucas Transmission Fix, you can change your transmission fluid and filter to remove it from your vehicle completely. Since it contains no solvents, it cannot harm any of the transmission’s internal components.
Can you add transmission fluid without removing it?
The instructions say you can add it in without removing any transmission fluid, but you need to check the level on the dipstick (with the vehicle running) to ensure that you are not going to overfill the transmission. If the fluid is already at the full mark, you should remove some first to make enough space for the Lucas. Search online or check your owner’s manual if you’re having trouble locating the dipstick.
Is Lucas Oil a good additive?
Lucas Oil has been making automotive additives for many years. They are well respected throughout the auto industry, and it’s uncommon to find anybody who has experienced negative effects from using their products.
What happens if you add an additive to your oil?
If the oil is too thick, it will take more time to reach essential elements. If those parts are not lubricated, it will cause wear and tear on your engine.
How long after buying a car can you add an additive?
You can add an additive with your first complete check-up one year after buying the car or with your first oil change.
Can you mix Lucas oil stabilizer with any oil?
Yes! Lucas Oil Stabilizer has been specifically designed to be mixed with any oil type.
Do older engines need additives?
Most older engines benefit from an additive, and engines that have seen some heavy wear and tear will also benefit from an additive.
Does Lucas oil add lubricant?
Lucas Oil Additive enhances the lubrication of your standard oil; it also adds chemicals that improve the oil’s viscosity. This means the oil is essentially ‘thicker’ and lasts longer, and protects your engine better. This will help keep your engine running well, prevent problems like early corrosion, and even help get an old engine to perform better.

What Is Lucas Transmission fix?
What Does It do?
- Reduces slipping, rough shifting, and hesitation Lucas Transmission Fix is designed for automatic transmissionsthat slip out of gear, experience hard shifts (they sort of “bang” into gear), or transmissions that seem to hesitate to engage (go into) gears. These problems often develop over time, and can be attributed to worn transmission bands, worn clutches, and clogged valve bodie…
How to Use Lucas Transmission Fix
- For best results, have your transmission oil and filter changed before adding Lucas. However, you can add it to your existing transmission fluid by simply removing the transmission dipstick and using a funnel to pour it in. The instructions say you can add it in without removing any transmission fluid, but you need to check the level on the dipstick(with the vehicle running) to en…
Final Thoughts
- Lucas Oil has been making automotive additives for many years. They are well respected throughout the auto industry, and it’s uncommon to find anybody who has experienced negative effects from using their products. It’s important to understand that a transmission additive like Lucas is not the end-all solution to your transmission problems. That said, it can reduce the sev…