Range Rover Aurora The owner of the solenoid valve fails during use. The hydraulic pressure is generated by the transmission oil pump pressurizing the transmission oil port. The solenoid valve controls the flow of hydraulic oil . Adjust the gearbox oil pressure and control the various components to achieve the purpose of shifting. There are basically the following reasons for the failure:
Fault 1: The gearbox oil is aging and deteriorated, and there are many debris.
Solution: If the gearbox oil is changed irregularly, deterioration or debris in the gearbox oil will block the filter screen of the solenoid valve. The blockage of the filter screen will cause the solenoid valve to fail to work properly, resulting in malfunctions and shifting The tank oil is recommended to be replaced in two years or 40,000 kilometers, and the cost of replacement is about 2,000 to 3,000 yuan after sale. The outside auto repair shop only needs 1500-1800 yuan.
Fault 2: The solenoid valve circuit is short-circuited or the connector is in poor contact.
Solution: It is necessary to check whether the connector of the solenoid valve is severely corroded. If it is corroded, clean it and then connect it, and the fault can be resolved. If you don’t remove it, you have to consider whether the line is short-circuited. The price of replacement wiring harness accessories is 200-400 yuan, and the after-sales labor fee is 250-300 yuan, and the outside auto repair shop only needs 200 yuan to get it.
Fault 3: The internal valve core of the solenoid valve is worn or the spring is broken.
Solution: Remove the solenoid valve and find that the internal spring is faulty or the spool is faulty.Directly replace the new solenoid valve, the price of a single accessory is 500-800 yuan, and the labor fee charged after sale is 400-600 yuan, and the outside auto repair shop needs 300 yuan to get it.
The above is the solution to the malfunction of the shift solenoid valve, for the reference of netizens.
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