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Is the Transmission Hydraulic Oil Pump Failure Serious?

1 Answers

Brantley

07/30/25 4:10am

Transmission hydraulic oil pump failure is relatively serious. The following are the manifestations of transmission hydraulic pump failure: 1. Intake system air leakage, mixture too lean; 2. Incorrect timing, incorrect ignition advance angle; 3. Throttle position sensor or air flow meter failure; 4. Fuel pressure too low; 5. Injector malfunction. Below is relevant information about the transmission hydraulic oil pump: 1. Types: In the oil supply system of an automatic transmission, commonly used oil pumps include internal gear oil pumps, rotor-type oil pumps, and vane-type oil pumps. The function of the oil pump is to provide hydraulic oil of a certain pressure and flow rate for the torque converter and hydraulic control system, and to meet the lubrication needs of planetary gear mechanisms and other friction pairs. 2. Drive source: The oil pump is the power source of the entire hydraulic system of the automatic transmission and is generally directly driven by the engine.

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