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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Hyundai Matrix (2002 and 2006 model year)

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Hyundai Matrix
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Matrix
Operation and maintenance of car
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On-vehicle
Power Steering
Removal, check and installation of the steering column shaft
Removing and installing steering column lock
Removing and installing propeller shaft steering
Removal of the steering mechanism
Dismantling, assembly and installation of the steering mechanism
Removal and installation of the hydraulic hose of the amplifier of a steering
Removal and installation of return pipes and hoses
Check power steering
Removal, disassembly, inspection and assembly of power steering pump
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Removal, disassembly, inspection and assembly of power steering pump



Power steering pump
Fig. 5.76. Power steering pump



Withdrawal
Disconnect the pressure hose from the power steering pump.
Disconnect the inlet hose from the coupling flange on the steering pump and drain into a suitable container.
Loosen the screws power steering pump drive belt before removal of the pump.

Bolt tension adjustment pump drive belt
Fig. 5.77. Bolt tension adjustment pump drive belt


Loosen the tension adjusting screw pump drive belt (Fig. 5.77).

Removing the pump drive belt
Fig. 5.78. Removing the pump drive belt


Remove the pump drive belt pulley power steering pump (Fig. 5.78).
Fully unscrew the bolts and power steering pump belt tension adjustment screw pump drive.
Remove the power steering pump assembly.

Removing the pump
Fig. 5.79. Removing the pump



NOTE
Be careful when removing the pump not to spill the liquid in it (Fig. 5.79).

Remove the mounting bracket of the power steering pump.

Dismantling
Remove the connecting flange of the inlet hose and O-ring with power steering pump.

Cover bolts steering pump
Fig. 5.80. Cover bolts steering pump


Loosen the four mounting bolts and remove the power steering pump (Fig. 5.80).
Remove the cam ring.
Remove the rotor and blades.
Remove the side plate.

Pump Components
Fig. 5.81. Pump Components


Remove inner and outer O-rings (Fig. 5.81).

The spring side plate
Fig. 5.82. The spring side plate


Remove the spring side of the plate (Fig. 5.82).

NOTE
When assembling the pump set a new cover gasket and pump new washers.


Unscrewing nuts pump pulley
Fig. 5.83. Unscrewing nuts pump pulley


Pinch the drive pulley of the pump in a vise, unscrew the nut and remove the spring washer (Fig. 5.83).
Remove the pulley from the drive shaft of the pump.

A lock ring and spacer-duster
Fig. 5.84. A lock ring and spacer-duster


Remove the retaining ring using the snap ring pliers, then remove the spacer-boot (Fig. 5.84).

Removing the drive shaft of the pump
Fig. 5.85. Removing the drive shaft of the pump


Easy blows of a plastic hammer to knock the rotor drive shaft of the pump (Fig. 5.85).

Removing the oil seal from the housing steering pump
Fig. 5.86. Removing the oil seal from the housing steering pump


Use a screwdriver to remove the seal from the power steering pump housing (Fig. 5.86).

NOTE
When assembling the pump, always install a new oil seal.


Socket housing steering pump
Fig. 5.87. Socket housing steering pump


Remove the fitting body from the power steering pump, then remove the valve controlling the flow of fluid and a valve spring (Fig. 5.87).
Remove the O-ring from the union.

ATTENTION
Do not disassemble the valve controlling the flow of fluid.

Check
Check valve spring length regulating fluid flow in a free state (no load).
The length of the valve spring in a free state: 36.5 mm.
Check valve controlling the flow of fluid for deformation (bending).
Check the pump drive shaft for wear or damage.
Check the pump drive belt for wear or deterioration.
Check the "stepped" wear blades and rotor slots.
Check the "stepped" wear on the contact surface of the blades and the cam ring.
Check for damage on the blades.
Check the wear tracks on the side plate or the contacting portions between the drive shaft and the pump cover.

Assembly

The components of the power steering pump nozzle
Fig. 5.88. The components of the power steering pump nozzle


Install the valve spring, the valve controlling the flow of fluid in the body and fitting the power steering pump (Fig. 5.88).

Installation of a new oil seal
Fig. 5.89. Installation of a new oil seal


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

Installation of the pump drive shaft
Fig. 5.90. Installation of the pump drive shaft


Insert the drive shaft of the pump assembly into the enclosure power steering pump, then install the spacer-duster and the retaining ring (Fig. 5.90).

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


Install the power steering pump pulley (Fig. 5.91).
Install the spring and the inner-ring.

Installing the lower annular gasket
Fig. 5.92. Installing the lower annular gasket


Insert the outer-ring in the side plate, then set the side plate in the power-steering pump housing (Fig. 5.92).

Install cam ring
Fig. 5.93. Install cam ring


Install the locking pins into the holes of the pump housing, then set the cam plate, with particular attention to the correct direction of installation (Fig. 5.93).
Install the rotor.

Installation of the rotor blades of the pump
Fig. 5.94. Installation of the rotor blades of the pump


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

Cover steering pump
Fig. 5.95. Cover steering pump


Place the gasket and pump cover assembly (Fig. 5.95).
Install washer and coupling flange inlet hose.

Setting

Install the power steering pump
Fig. 5.96. Install the power steering pump


After installation of the pump bracket and put on the pump pulley drive belt and adjust its tension. Tighten the bolt tension adjustment regulated torque (Fig. 5.96).
Tightening torque: 35-50 Nm.
Connect the inlet hose.
Tighten the discharge hose to the power steering pump.

NOTE
When installing the discharge hose to make sure it is not twisted, and there is no possibility of contact with other parts of the vehicle.

Fill the power steering hydraulic system Recommended fluid PSF-3.
Remove air from the hydraulic power steering.
Check the pressure of the power steering pump.




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