Vanagon F4-1915cc 1.9L (1984)
FIGURE 12 - PRESSURE FLOW LIMITING VALVE RETAINER, INSTALLING
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install angled ends of retainer in housing slot
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press down angled ends with screwdriver
FIGURE 13 - ROTOR AND SHAFT, REMOVING/INSTALLING
Note
Rotor and shaft must be removed from housing to replace pump shaft seal.
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press rotor down
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remove circlip from groove (arrow)
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after installing rotor and shaft, secure circlip by pulling rotor up
Note
Circlip must fit properly in groove and be secured by rotor.
Pressure/flow limiting valve, checking
Note
Incorrect functioning of pressure/flow limiting valve causes periodic lack of steering assistance.
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check valve and housing bore for wear
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valve drillings must be completely clear of any dirt or restriction
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valve must move freely in housing bore
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if maximum pump pressure is not obtained after checking pressure/flow limiting valve, replace complete power steering pump