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Maximum clearance: 0.03 mm (0.00118 in.) If the clearance exceeds the maximum, replace the vane pump assembly. 3. INSPECT FLOW CONTROL VALVE ASSEMBLY a. Coat the flow control valve with power steering fluid and check that it falls smoothly into the flow control valve by its own weight. If the control valve does not fall into the hole smoothly, replace the vane pump assembly. Fig. 127: Inspecting Flow Control Valve Assembly b. Check the flow control valve for leakage. Close one of the holes and apply compressed air of 392 to 490 kPa (4.0 to 5.0 kgf/cm 2 , 57 to 71 psi) into the opposite side hole, and confirm that air does not come out from the end hole. If air leaks, replace the vane pump assembly. Fig. 128: Checking Flow Control Valve For Leakage 4. INSPECT FLOW CONTROL VALVE COMPRESSION SPRING a. Using a vernier caliper, measure the free length of the compression spring.
2009 Toyota Tundra 2009 STEERING Power Steering - Tundra
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