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What Causes Excessive Transmission Temperature and a Burning Smell?

3 Answers

AubreeFitz

07/29/25 10:02pm

Here are the reasons for excessive transmission temperature and a burning smell: 1. Clogged filter screen: The transmission hydraulic pump's oil suction filter screen is clogged. 2. Poor radiator performance: The radiator's heat dissipation capacity is insufficient, and the machine is severely overloaded. 3. Hydraulic pump damage: The transmission hydraulic pump is severely worn or damaged, causing significant system leakage. 4. Abnormal proportional valve: The torque converter's inlet regulating proportional valve is malfunctioning. 5. Clutch slipping: Transmission clutch slipping can also lead to excessively high transmission oil temperature. Note: The transmission allows the vehicle to reverse while maintaining the engine's rotation direction. The transmission, also known as a gearbox, is a mechanism used to alter the speed and torque from the engine, enabling fixed or stepped changes in the gear ratio between the output and input shafts.

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Guzman

08/15/25 10:01pm

I smelled a burning odor when driving my old car up the mountain last time. Insufficient transmission fluid is the most common issue—low fluid levels cause gears to grind dry and overheat, and the high temperatures can melt rubber seals, producing smoke. Another possibility is a clogged radiator; dust and bugs blocking the cooling fins prevent heat dissipation, causing the oil temperature to spike. If you’ve installed a trailer hitch and frequently haul heavy loads, the excessive strain on the transmission can also lead to a burnt smell. Oh, and fitting oversized wheels can disrupt the gear ratio, forcing the transmission to overwork and overheat. If you detect a burning odor, don’t push it—pull over, shut off the engine, because a burnt-out transmission means major repairs.

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Everly

10/17/25 7:17am

I've encountered this situation during long-distance driving. Poor-quality transmission fluid is the root cause, as inferior oil loses its lubricating properties under high temperatures. The most critical issue is the burning of clutch plates, especially in dual-clutch and AMT models, where prolonged semi-engagement can cause the steel plates and friction discs to overheat and slip, emitting a pungent mix of rubber and burnt smells. A malfunctioning cooling fan is often overlooked, as a stuck fan disrupts the cooling cycle. Extra caution is needed when towing, as the transmission operates under full load and oil temperature can quickly exceed the red line. If you hear a buzzing noise from the transmission and see smoke, stop the vehicle immediately.

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How many points are deducted for being caught driving in the wrong direction in the city?

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Yes, and it is legal. Additional information regarding the risks of car rental: Relevant staff from the leasing company stated that after signing a private car civil lease contract with the car owner, the company will rent the private car to a third party and also sign a corresponding contract with the third party. The third party will be required to purchase insurance for the usage period. In case of an accident, the leasing company and the third party will handle the matter, and the vehicle owner does not need to be involved. Rental requirements: Idle private cars must undergo multiple layers of review before being rented out to leasing companies. The vehicle must be a new car within two years, and all vehicles must be equipped with a GPS tracking system. Additionally, not all idle private cars can be rented out to leasing companies. A specialist will visit to inspect and evaluate the vehicle before signing a car rental civil contract with the owner.

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