Having problems with your 1993 Lexus Es 300 ?
What make the rad.fan change speeds
\015 Vehicle over heats after running for about 30mins coolant rad fan turns very slow.i replaced the thermostate upper rad hose\015
If this is the original cooling fan it is very likely the cooling fan motor is defective or the connector to it is heat damaged from the motor problem, Make up a jumper cord from house lamp cord and hook it directly to the cooling fan motor, if the motor still turns slowly then the motor is defective.
Repair Help & Product Troubleshooting for 1993 Lexus Es 300
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