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Check the pressure created by the pump
Engine when checking the pressure should be heated to operating temperature. Check the pump by measuring its forward pressure.
| Fig. 11.22. VW 1402/1 Adapter for pressure check power steering pump installed in the pressure line
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Using the adapter, connect the pressure gauge directly to the pressure line of the pump with the valve open (Fig. 11.22, 11.23).
| Fig. 11.23. Meter with valve for pressure testing power steering pump
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Start up the engine at idle. To test the pump, close the valve on the meter, quickly remove the pressure and re-open the valve. If the pressure does not meet the standard (less than 7,5-8,2 MPa), replace the pump.
A WARNING Close the valve is not more than 5 s can otherwise damage the pump. |
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