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POWER STEERING PUMP TABLE OF CONTENTS page page DESCRIPTION AND OPERATION DIAGNOSIS AND TESTING PUMP LEAKAGE DIAGNOSIS . . . . . . . . . . . . . . . . 7 SERVICE PROCEDURES OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 REMOVAL AND INSTALLATION POWER STEERING PUMP – 4.0L . . . . . . . . . . . . . 7 POWER STEERING PUMP - 4.7L. . . . . . . . . . . . . . 7 DISASSEMBLY AND ASSEMBLY PUMP PULLEY . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 SPECIFICATIONS TORQUE CHART . . . . . . . . . . . . . . . . . . . . . . . . . 10 SPECIAL TOOLS POWER STEERING PUMP . . . . . . . . . . . . . . . . . 10 DESCRIPTION AND OPERATION POWER STEERING PUMP DESCRIPTION Hydraulic pressure for the power steering system is provided by a belt driven power steering pump OPERATION The power steering pump is a constant flow rate and displacement, vane-type pump. The pump inter- NOTE: Power steering pumps have different pres- POWER STEERING PRESSURE LINE DESCRIPTION The hose consists of two metal ends and rubber center section that contains a tuning cable. The OPERATION Power steering pressure line, is used to transfer high pressure power steering fluid, from the power POWER STEERING RETURN LINE DESCRIPTION Power steering return line is a hose which is clamped at the pump and the gear. Fig. 1 Pump With Integral Reservoir 1 – CAP 19 - 6 STEERING WJ |