Kia Rio: Hydraulic System / Oil Pump
Description and operation
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Rotation of the pump builds the hydraulic pressure needed for the lubrication of the various parts of the transaxle and operation of the clutch and brakes. The oil also circulates through the torque converter and the cooler.
Repair procedures Removal 1. Remove the under cover. (Refer to Engine Mechanical System - "Engine Room Under Cover").
Description and operation Description The valve body is essential to automatic transaxle control and consists of various valves used to control the oil feed from the oil pump.
Other information:
Kia Rio 2017-2023 YB Service Manual: Compressor Oil
Repair procedures Oil Specification 1. The HFC-134a system requires synthetic compressor oil (PAG) whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed. 2. Compressor oil (PAG) varies according to compressor model.
Kia Rio 2017-2023 YB Service Manual: Photo Sensor (FATC only)
Description and operation Description The photo sensor is located at the center of defrost nozzles. The photo sensor contains a photovoltaic (sensitive to sunlight) diode. The solar radiation received by its light receiving portion, generates an electromotive force in proportion to the amount of radiation received which is tran
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