General Description

GENERAL INFORMATION.

The rack-and-pinion steering gear consists of two main parts: the pinion and the toothed rack. The pinion engages with the rack. The steering gear converts.

rotary motion of the pinion into linear movement of the rack, which is.

connected by side tie rods to the steering arms of the steered wheels..

The power steering uses a rotary hydraulic control valve that controls fluid routing. When the steering wheel is turned in either direction, the valve connects one of the.

cylinder chambers to the pump pressure line and simultaneously connects the other chamber to return. The piston.

of the hydraulic cylinder is fixed to the rod, which is an extension of the toothed rack. The piston converts the pressure difference of the fluid into force that moves.

the rack left and right and, through the tie rods and steering arms, turns the steered wheels.

vehicle. If the power steering fails, steering control.

is retained, but steering wheel effort increases. Rotation of the steering wheel is transmitted by the steering shaft to the pinion shaft, which meshes with the rack. The steering gear converts the rotary motion of the pinion shaft into.

linear movement of the rack. The power steering hydraulic system uses a vane pump..

Protective boot, rack guide bar, rack plunger and hydraulic.

control valve are not subject to repair in service and are replaced as an assembly with the steering gear..

The pump has a separate fluid reservoir. The relief.

valve built into the flow control valve limits the maximum pump discharge pressure..

The steering column has the following design features:.

– energy-absorbing device that improves passive safety.

of the vehicle. In a frontal collision, the steering column deforms in the longitudinal direction, absorbing impact energy. This reduces the likelihood of

driver injury.

– the ignition switch is installed on the steering column.

– the mechanical lock built into the steering column can block ignition switch operation and steering shaft rotation. The lock is an anti-theft device. The steering column also houses the turn signal, headlight, windshield washer and wiper control levers.

The steering column can be easily removed and reinstalled on the vehicle.

Warning.

For the energy-absorbing steering column to function correctly, it is important to use only the fasteners (screws, bolts and

nuts) specified for the column design. In addition, all threaded connections of the steering column must be tightened to the specified torque.

During assembly and installation of the steering column, lubricate all friction points with lithium-based grease.

Exercise care when handling the steering column after removal from the vehicle. Plastic fasteners that

maintain steering column rigidity may be sheared off or loosened if

non-recommended steering wheel pullers are used, if the steering shaft is struck hard, subjected to a bending moment, or if the steering column is dropped.

All vehicles with automatic transmission and floor-mounted shift lever are equipped with a key interlock device. The device

consists of a flexible cable connected at one end to the shift lever and at the other end to the ignition key interlock pin. In the

"R", "N" or "D" shift positions, the pin prevents the ignition key from being turned to the

"Lock" position. The interlock allows the key to be turned to this position only

after the shift lever is moved to the "P" (Park) position. If the ignition key is in the "Lock" position and the shift lever is in "P", the pin

engages the cable cam and blocks movement of the shift lever out of the "P" position. On vehicles equipped with a manual transmission, the starter interlock prevents starter engagement unless the clutch pedal is depressed.