···
Log in / Register

What to Do When Transmission Oil Temperature is Too High?

4 Answers
DiBrielle
09/06/25 7:05am

If you receive a warning about high transmission oil temperature while driving, you should stop the vehicle immediately. Once the temperature returns to normal, proceed to a 4S shop for maintenance as soon as possible. Below are solutions for high transmission oil temperature: 1. Poor performance of the cooling system can lead to many issues. High-temperature transmission oil exiting the transmission does not get adequately cooled before returning to the transmission. The high-speed rotating torque converter, unable to dissipate heat effectively, will be under significant load. The transmission oil's viscosity changes due to excessive heat, reducing the friction coefficient and causing clutch slippage. Therefore, regular cleaning of the radiator is crucial. 2. According to a survey by transmission maintenance experts, many transmission failures are caused by the use of counterfeit or substandard low-quality oil, which can have devastating effects on the transmission. Generally, low-quality oil has poor fluidity and can coke under high temperatures, altering the clutch engagement rate and leading to degraded shift quality, such as delayed or harsh shifting. This can further result in clutch disengagement, slippage, or even complete failure to move, and in severe cases, may render the transmission irreparable.

Was this review help?
9
2
Share
VonPatrick
09/18/25 6:46am

Once during a long drive, my transmission oil temperature suddenly triggered an alarm, which made me extremely nervous. I immediately pulled over, turned off the engine, and let it cool down for about half an hour. Later, inspection revealed that the radiator was completely clogged with dust and leaves, and it was fine after cleaning. During regular maintenance, I now use a water gun to rinse the radiator fins, especially in summer when the air conditioning puts a heavy load on the system. Additionally, transmission oil should be changed every three years or 60,000 kilometers—expired oil becomes as thick as honey, drastically reducing heat exchange efficiency. In heavy traffic, switching to manual mode to avoid frequent gear shifts is particularly effective in preventing overheating.

Was this review help?
14
3
Share
Expand All
ElliotLee
11/01/25 7:13am

I've dealt with transmission overheating several times. First, don't panic. Stop the car immediately but don't turn off the engine. Open the hood to dissipate heat and let it idle for five minutes before checking the temperature gauge again. If it drops, drive slowly to the repair shop; if the high temperature persists, call a tow truck. Ninety percent of the problems are in the cooling system: cracked coolant hoses, stuck radiator fans, or clogged cooling fins are the most common. Last time, my friend's car had boiling point issues because coolant mixed with the transmission oil. Modified cars need special attention—increasing horsepower without upgrading the cooling system will definitely cause problems. Get into the habit of regularly checking the transmission oil color; if it turns black, change it immediately.

Was this review help?
4
0
Share
Expand All
AshlynLynn
12/15/25 7:21am

Last week, I just helped my neighbor solve a transmission overheating issue. First, I checked the fluid level, drew out the darkened oil, and smelled it—a burnt odor indicated aged fluid quality. Even after replacing it with new oil, the temperature remained high. Finally, I discovered poor contact in the cooling fan's relay. Actually, paying attention to four daily driving habits can prevent this: avoid prolonged low-speed uphill climbs, minimize consecutive S-shaped overtaking, install an aftermarket cooler, and ventilate to cool down half an hour early in summer. Older cars are particularly prone to this problem, with aging electric fans being the most common culprit—replacing one costs just two hundred bucks. Remember, driving another ten kilometers after a high-temperature warning could ruin the entire transmission.

Was this review help?
14
4
Share
Expand All
More Forum Discussions

What is the spark plug gap?

The spark plug gap ranges between 0.6mm and 3mm. Here is relevant information about spark plug oil leakage: 1. Consequences: Spark plug oil leakage can cause various abnormalities in the vehicle, such as increased fuel consumption (iridium spark plugs save over 10% fuel), loss of acceleration power, and engine vibration. Spark plug oil leakage is usually caused by issues with piston rings, valve stem seals, or fuel injectors. Regardless of the cause, the spark plugs should be replaced. 2. Causes: Spark plug oil leakage may result from damaged fuel injectors, valve cover gasket leakage allowing oil to reach the spark plugs, or problems with piston rings and valve stem seals. The specific cause should be diagnosed at a professional repair shop. Spark plug oil leakage can lead to increased vehicle fuel consumption (extreme combustion iridium spark plugs save over 10% fuel), poor acceleration, and failed emissions tests. It is recommended that owners regularly inspect and replace spark plugs as needed. 3. Spark plug principle: The spark plug is a crucial component of a gasoline engine's ignition system. It introduces high voltage into the combustion chamber and causes it to jump the electrode gap to create a spark, thereby igniting the combustible mixture in the cylinder. It mainly consists of a terminal nut, insulator, terminal stud, center electrode, side electrode, and shell, with the side electrode welded to the shell.
12
4
Share

What is the tire pressure for the Q5?

Q5's normal tire pressure range is 2.4-2.5 bar. Due to seasonal factors, the tire pressure can be appropriately increased by 0.2 bar in winter and reduced by 0.1 bar in summer. The tire pressure monitoring system in the Audi Q5 is not a real-time monitoring function. If there is an abnormality in the tire, information will automatically be displayed on the dashboard. The display does not show specific values but only indicates which tire has a problem. If the tire pressure monitoring indicator light comes on (a yellow symbol, an irregular circle with no stamp on top and four small spikes below, containing an exclamation mark inside), there are generally three possible reasons: Abnormal tire pressure: The system will usually alert if the pressure is below 1.8 bar or above 3.0 bar. In this case, the tire needs to be checked and the pressure adjusted. Tire pressure monitoring not reset: After inflating the tires, if the tire pressure is not reset in time, the system will still record the previous data, causing the tire pressure monitoring indicator to light up. In this case, simply reset the tire pressure. Damaged tire pressure sensor: The tire pressure sensor, which is used to monitor tire pressure, is directly installed inside the tire and connected to the tire inflation port. If the sensor is damaged while driving, the tire pressure warning light will also come on. For sensor damage issues, the only solution is to replace it with a new part.
12
4
Share

What are the features of the Haval Chulian Senior version?

The Senior version is equipped with 18-inch wheels, which are more visually harmonious for an SUV with a wheelbase of 2.7 meters. It skips the reverse camera and directly provides a 360-degree panoramic view. The instrument cluster has been upgraded to a 7-inch full LCD display, and the central control screen size has reached 12.3 inches. The headlights have also been upgraded to LED light sources. Here is the relevant information: Configuration: Haval adopts a unibody design for the Haval H8, combined with a sport suspension system consisting of front double-wishbone and rear multi-link setups. The overall structure is more robust, effectively filtering road vibrations and ensuring that the H8 balances off-road performance with urban comfort. In terms of handling, the Haval H8 is equipped with racing-style paddle shifters, the globally advanced TOD intelligent four-wheel-drive system, and rapid response, paired with the ESP body stability system, effectively handling adverse weather or road conditions. Power and Handling: Haval is powered by the GW4C20 2.0L turbocharged direct-injection engine independently developed by Great Wall Motors, which increases power by over 40% compared to naturally aspirated engines of the same displacement, achieving high power with low displacement and providing the Haval H8 with maximum kinetic energy for forward motion. When the engine reaches 5500 rpm, it achieves a maximum power output of 160 kW (218 horsepower).
8
0
Share

Where is the engine number of a motor vehicle located?

Motor vehicle engine numbers can be found on the vehicle license, motor vehicle registration certificate, car purchase invoice, factory certificate, operating license for commercial vehicles, vehicle purchase tax payment certificate, public security authority registration records, vehicle insurance card, and the actual engine (usually on the engine nameplate). The engine number is an identification code assigned by the engine manufacturer in accordance with relevant regulations, corporate or industry practices, and the attributes of the engine, for a batch of identical products. It represents information such as the manufacturer, specifications, performance, features, technology, purpose, and production batch of the engine. This includes details like fuel type, number of cylinders, displacement, and static braking power.
3
2
Share

How about replacing the rear axle of a Passat?

Replacing the rear axle of a Passat is a major repair project. Below is relevant information about the 2020 Passat: 1. Body: It belongs to the mid-size sedan category, with body dimensions of length 4933mm, width 1836mm, height 1469mm, a wheelbase of 2871mm, and a curb weight of 1470kg. 2. Configuration: The 2020 Passat features a front MacPherson strut independent suspension and a rear multi-link independent suspension. It is equipped with a 1.4T turbocharged engine, delivering a maximum horsepower of 150PS, maximum power of 110kW, and maximum torque of 250Nm, paired with a 7-speed dual-clutch transmission.
19
5
Share

What is MacPherson Suspension?

MacPherson suspension is a crucial component that elastically connects the vehicle frame to the axle. Its structural design and performance parameters directly impact the ride comfort and handling stability of automobiles. Typically used for the front wheels of passenger cars, it serves as a vital element in automotive safety structures. Composed of a coil spring, shock absorber, and triangular lower control arm, most vehicle models also incorporate a stabilizer bar. The primary structure of MacPherson suspension combines the coil spring mounted around the shock absorber. The shock absorber prevents the coil spring from shifting forward, backward, left, or right when under force, restricting the spring to vertical vibrations only. The suspension's stiffness and performance can be adjusted by modifying the shock absorber's travel length and tension.
12
1
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.