Has Toyota Fixed 8 Speed Transmission Problems

The owner of a 2019 Toyota Camry filed a brief complaint citing issues with the 8-speed transmission. In particular, both at moderate and full throttle, the transmission lags when shifting. Additionally, the owner claimed that when in Economy mode, the transmission upshifts excessively.

It is currently unknown whether the car was ever taken to the dealer for repairs or if the issue resolved itself.

Harsh and/or Jerky Transmission Shifting Behavior

Ottawa residents have reported shaking and trembling during acceleration, which the owner blames on a torque converter problem.

Which Toyota has issues with its transmission?

Affected Toyota Models by Transmission Issues 2017-2020 Highlander by Toyota. Toyota Sienna, 20172020. Toyota Avalon from 2018 until 2020. Toyota RAV4 for 2019.

Who creates the 8-speed Toyota transmission?

Aisin-Warner produces the A line of automatic FWD/RWD/4WD/AWD transmissions for Toyota Motor Corporation. They have a lot in common with the AW7* and 03-71* transmissions from Volvo and Aisin-Warner, which are used in Suzuki, Mitsubishi, and other Asian cars.

Three sections comprise the codes:

  • Aisin-Warner Automatic corresponds to the letter A.
  • three or two digits.
  • Two digits are used in older broadcasts.
  • The generation is represented by the first digit (not the number of gears, see A10 vs A20 and A30 vs A40 vs A40D).
  • The application is represented by the final digit.
  • Three digits are used in newer transmissions.
  • The generation is represented by the first digit. The order is 1, 2,…, 9, A, B, with A and B being considered digits.

Do the 2021 Highlander’s transmission issues persist?

In order to enable you to drive at the correct speed, the gearbox transfers power from the motor to your wheels.

Given that the transmission must convert the exact quantity of power for the required speed,

Toyota employs Aisin transmissions, right?

In reality, an incredible variety of automakers, including Isuzu Motors, HINO Motors, Toyota, Mazda, Ford, and countless others, have employed Aisin transmissions.

ZF 5HP 24/30

was mostly utilized in BMW luxury class 8 and 12-cylinder automobiles. Additionally, these

A6, A8, and Volkswagen (4motion) vehicles. The ZF’s torque capability

Modifications 24 and 30 are frequently possible with high-quality ZF transmission components.

GM 5L40-E / 6L50

The GM 5-speed 5L40-E automatic transmission is intended for engines with displacements ranging from 1,8 to 3,6 liters and a maximum torque of 340 Nm. It was created between 1998 and 2007. Initially, rear-wheel drive vehicles with longitudinally positioned engines were designed to use this automatic transmission (RWD). This transmission was used in BMW vehicles, specifically the e46 series 323i and 328i models. GM released the all-wheel drive (AWD) car modification in 2000. This transmission was included with the initial BMW X5 cars. In 2001, GM engineers created the 5L50 variant, which could run under difficult conditions in vehicles up to 2300 kg in weight and 422 Nm in torque. Additionally, since 2004, GM’s less potent rear-wheel drive (RWD) vehicles, including the Cadillac CTS, Pontiac Solstice, and Holden Commodore, have been equipped with this automatic transmission.

The 5L40 was intended to be replaced by the 6-speed automatic 6L50. However, it should be noted that these transmissions are nearly identical when reliability and durability metrics are compared. The 6L50 is noted by its soft and smooth functioning and can easily travel 400500 thousand kilometers.

Toyota A340

This 4-speed automatic transmission is intended for front-engined vehicles with either RWD or AWD. Since 1986, Toyota has been producing the A340 transmission model, sometimes known as the AW30-40LE or -70LE in accordance with Aisin classification. This transmission is well known for its dependability and toughness. This automatic transmission may need the worn-out friction clutches and seals replaced in order for it to last 300400 thousand kilometers. The transmission may go the same number of miles after some modest repairs. Only after covering 700,000 kilometers may the initial overhaul be necessary. For example, Toyota Runner, Supra, Lexus GS, and LS all had this transmission. This series of transmissions was successfully utilized for SUVs such as Jeep, Montero, Terracan, Volvo, Lexus, Pajero, minibuses, and small pickup trucks all around the world under Aisin names such as AW30-40, 30-41, AW30-43LE / LS, AW31-41, and AW31-81. All of Toyota’s non-Japanese assembly plants continue to produce new transmissions for this model (from Vietnam, Indonesia, the Philippines to Argentina and the USA). For rear-wheel drive (RWD) Lexus cars built on the A341E platform, Aisin designed its first 5-speed automatic transmission 350 in 1995 as a competitor to ZF and Mercedes for market dominance in automatic transmissions. However, after a year in production, the A650 replaced this transmission.

Toyota A750

Large SUVs and off-road Lexus and Toyota cars are the principal applications for this 5-speed automatic transmission. This automatic transmission has been made by Toyota since 2003. The operational speed of the A750 is not what sets it apart. Even though the A750 operates under tremendous loads on a continual basis, it is one of the most reliable transmissions. For instance, a Toyota Land Cruiser with this transmission typically functions in difficult and intense driving circumstances. Finding a car with an A750 transmission that needs repair before 400,000 kilometers is difficult. Toyota transmission components are very dependable and long-lasting. Only solenoids in the Toyota A750 transmission may run out of service resources quite quickly (during the first years), however this issue can be readily fixed by replacing the solenoids. This transmission is still reliable even after several hundred thousand miles.

Mercedes 722.4

This automatic transmission is no longer manufactured today. This Mercedes transmission is renowned for its extraordinary toughness. Since the 1980s, Mercedes-Benz has developed this 4-speed automatic transmission for use in the 190-series, W124, and C-class models of automobiles. Regardless of the engine type, this transmission consistently performed with outstanding reliability (4-, 5-, or 6-cylinder). The design of 722.4 is essentially unbreakable. When the transmission is put under difficult operating conditions, certain specific Mercedes transmission parts may experience issues.

Jeep A904

Released in 1960, this automatic transmission worked with 6-cylinder engines. All Chrysler transmissions are thought to have been inspired by this Jeep transmission. The transmission from the 1950s of the previous century is updated in the 904 model. These Jeep models received this transmission: the Cherokee XJ, Wrangler YJ, and TJ. For this automatic transmission, numerous aftermarket manufacturers have up until this point produced torque converters, shift kits for valve bodies, repair kits, and friction clutches. Even American pickup trucks with V8 engines were fitted with this transmission, which undoubtedly attests to the A904’s robustness. The Jeep transmission’s straightforward design makes it easy to rebuild, albeit it might be necessary after 600,000 miles.

Mazda / Ford FN4A-EL / 4F27E

Engineers from Ford and Mazda collaborated to create this automatic transmission. This transmission is referred to by distinct designations by both companies (Mazda-FN4A-EL/Ford-4F27E). This transmission, which was created in 2000, only has four speeds, and that is thought to be its one flaw. The torque converter can be locked within a wide range of revolutions per minute (RPM), which helps to lower the amount of gasoline consumed during gear shifting. The biggest benefit of this automatic transmission is how infrequently it experiences issues. Only very rarely does this automatic transmission need to be repaired before it has traveled 500,000 kilometers.

Are there any gearbox issues with the 2021 RAV4?

Fist Pump Guy, also known as Gary, claims that there is a quick remedy for the 2019 Toyota RAV4 transmission. He asserts that the issue would be fixed by a software update that was made available in April 2019. However, some consumers said that even after obtaining this update from the Toyota dealership, the transmission issues persisted. In order to receive the update, owners must take their RAV4 to a dealership.

Toyota issued a service bulletin for this problem with the NHTSA catalog number T-SB-0107-19. Those with hesitant acceleration from a rolling halt will receive service. The update for the Engine Control Module lessens the possibility of stuttering. Additionally, the Toyota Federal Emission Warranty covers this repair. Nevertheless, the automaker chose not to initiate a recall for this problem despite these suggested solutions.

For the time being, the Toyota RAV4 model years 20202022 have no known transmission issues. However, when those cars log more miles, new issues can surface. It’s encouraging that the transmission issues with the 2019 model year Toyota RAV4 seem to have been resolved in the current generation of cars. There are only three complaints about the 2021 Toyota RAV4 on Car Complaints.

Toyota advises changing the gearbox filter, right?

Every 30,000 or 50,000 miles, your Toyota gearbox filter will need to be replaced. Check the maintenance manual for your car to learn more about mileage and time intervals.

Aisin transmissions are they dependable?

It’s possible that the Aisin transmission is less dependable than everyone thinks. The Aisin was built with exceptionally low quality internal parts, and its ability to take more power in factory condition is exceedingly low, according to RevMax, a reputed transmission rebuilder.

How long do the transmissions on Toyota Highlanders last?

Even though the Toyota Highlander is made to last, most of its parts will ultimately need to be fixed. According to RepairPal, repairs might cost you $489 on average. Usually after three to six years, rust is the first issue that needs to be addressed.

However, corrosion could be visible sooner depending on the local climate. Typically, the Highlander’s doors, tailgate, and external handles get rust.

According to reports, the braking rotors and pads endure 30,000 to 70,000 kilometers. According to YourMechanic, replacing brake rotors costs $280 and replacing brake pads costs a minimum of $140. You’ll notice faster wear on these parts if you stop frequently from higher speeds.

Under ideal circumstances, the tires on the Toyota Highlander can last up to 60,000 miles. Each regular tire can cost up to $300, but each performance tire can cost up to $500. Every 100,000 miles, the spark plugs should be replaced. The transmission in the Highlander typically has the longest lifespan, lasting up to 200,000 miles, and has an average replacement cost of $3,500.

Have any 2019 Highlanders experienced transmission issues?

At 11,930 miles, it was once more returned. Although the Highlander wasn’t inspected by the dealer, the owner was told that a “Toyota District 2 Fixed Operations Manager” had. According to his report, it “performed like a known good car” and “did not indicate any warrantable concern.”

Today’s vehicles, he explained, “may display very minor latency owing to the ECM processing since they are driven by wire, which means they do not have a throttle cord. The current eight-speed transmissions are designed to keep the engine running at its best, which may not provide the customer with the performance they desire. However, in every situation, applying a little more pressure to the gas pedal makes the vehicle more responsive, and customers are typically satisfied.

The owners took the Highlander to a different dealership in October 2019. The mechanic there claimed that the internal failure of the transaxle component was what was causing the transmission issues. According to bulletin T-SB-0160-18, they “replaced the transaxle assembly and related parts.