Removing, dismantling, checking and assembling the Hyundai Matrix power steering pump

Rice. 5.76. Power steering pump

Withdrawal

Disconnect the pressure hose from the power steering pump.

Disconnect the inlet hose from the connecting flange on the power steering pump and drain the working fluid into a suitable container.

Loosen the power steering pump mounting bolts before removing the pump drive belt.

Rice. 5.77. Bolt for adjusting the tension of the pump drive belt

Loosen the pump drive belt tension adjustment bolt (Fig. 5.77).

Rice. 5.78. Removing the pump drive belt

Remove the pump drive belt from the power steering pump pulley (Fig. 5.78).

Completely unscrew the power steering pump mounting bolts and the pump drive belt tension adjustment bolt.

Remove the power steering pump assembly.

Rice. 5.79. Removing the pump

Remove the power steering pump mounting bracket.

Disassembly

Remove the inlet hose connection flange and O-ring from the power steering pump.

Rice. 5.80. Bolts of fastening of a cover of the pump of the hydraulic booster

Loosen the four mounting bolts and remove the power steering pump cover (Fig. 5.80).

Remove the cam washer.

Remove the rotor and blades.

Remove the side plate.

Rice. 5.81. Pump components

Remove the inner and outer ring gaskets (Fig. 5.81).

Rice. 5.82. Side plate spring

Remove the side plate spring (Fig. 5.82).

Rice. 5.83. Unscrewing the nut securing the pump pulley

Clamp the pump drive pulley in a vice, unscrew the fastening nut and remove the spring washer (Fig. 5.83).

Remove the pulley from the pump drive shaft.

Rice. 5.84. Retaining ring and boot spacer

Remove the retaining ring with a retaining ring remover, then remove the spacer sleeve-anther (Fig. 5.84).

Rice. 5.85. Removing the pump drive shaft

With light blows of a plastic hammer from the side of the rotor, knock out the pump drive shaft (Fig. 5.85).

Rice. 5.86. Extraction of an epiploon from the case of the pump of the hydraulic booster

Using a screwdriver, remove the stuffing box from the hydraulic booster pump housing (Fig. 5.86).

Rice. 5.87. The union of the case of the pump of the hydraulic booster

Remove the fitting from the hydraulic booster pump housing, then remove the fluid flow control valve and valve spring (Fig. 5.87).

Remove the O-ring from the fitting.

Examination

Check the length of the fluid flow control valve spring in the free state (no load).

Valve spring free length: 36.5 mm.

Check the fluid flow control valve for deformation (bending).

Check pump drive shaft for wear or damage.

Check pump drive belt for wear or deterioration.

Check for “stepped” wear on the rotor blades and slots.

Check for “stepped” wear on the contact surface of the vanes and cam.

Check for damage to the blades.

Check for wear tracks on the side plate or contact areas between drive shaft and pump cover.

Assembly

Rice. 5.88. Components of the union of the pump of the hydraulic booster

Install the valve spring, the fluid flow control valve and the fitting in the hydraulic booster pump housing (Fig. 5.88).

Rice. 5.89. Installing a new oil seal

Using a special tool, install a new oil seal in the power steering pump housing (Fig. 5.89).

Rice. 5.90. Installing the pump drive shaft

Insert the pump drive shaft assembly into the hydraulic booster pump housing, then install the spacer bushing and circlip (Fig. 5.90).

Rice. 5.91. Installing the power steering pump pulley

Install the power steering pump pulley (Fig. 5.91).

Install the spring and inner O-ring.

Rice. 5.92. Installing the bottom ring gasket

Insert the outer O-ring into the side plate, then install the side plate into the power steering pump housing (Fig. 5.92).

Rice. 5.93. Installing the cam

Install the locking pins in the holes of the pump housing, then install the cam washer, paying particular attention to the correct installation direction (Fig. 5.93).

Install the rotor.

Rice. 5.94. Installing the Pump Rotor Vane

Install the blades so that their rounded ends are outside (on the side of the cam) (Fig. 5.94).

Rice. 5.95. power steering pump cover

Establish a lining and a cover of the pump in gathering (fig. 5.95).

Install the O-ring and the inlet hose connecting flange.

Installation

Rice. 5.96. Power steering pump installation

After installing the bracket and pump, put the drive belt on the pump pulley and adjust its tension. Tighten the tension adjustment bolt to the specified torque (Fig. 5.96).

Tightening torque: 35–50 Nm.

Connect the inlet hose.

Tighten the pressure hose on the power steering pump.

Fill the power steering hydraulic system with the recommended PSF-3 fluid.

Bleed air from power steering hydraulic system.

Check the power steering pump pressure.

Source: http://automn.ru/hyundai-matrix/hyundai-37313-10.m_id-4955.m_id2-4956.html