1. With the engine running, turn the steering wheel until it stops, first in one direction and then in the other direction. In this case, high pressure arises in the system, and leaks appear. To avoid pump malfunctions, the motor should be running for no more than 10 seconds during this test.
2. Ask the assistant to hold the steering wheel in the extreme position and make a troubleshooting.
3. First at the sealing end for the steering gear on the steering valve body.
4. After that, check the connections of all pipelines, tighten the pipelines if necessary.
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