I J I J J
•
2001
Chevrolet Corvette Restoration Kit
the rack. The attached piston uses
hydraulic pressure to move the rack left or right. The rotary control
valve regulates
the amount of effort by responding to the driver's torque input.
More
control
is
maintained when the hydraulic assist
is
not available. More steering effort
is
required with
manual control.
The Power Steering Pump
A constant displacement van-type pump performs the following services for the steering system:
• Provides hydraulic pressure
• Provides flow
The power steering pump and the engine crankshaft pulleys drives the pump. The opening at the rear of
the pump housing contains the
following components:
•
The pump ring
•
The pressure plate
•
The thrust plate
•
The rotor
•
The vanes
•
The end plate
The pump housing side contains the pressure line fitting. The pressure relief valve inside the flow control
valve limits
the pump pressure.
Electronic Brake Traction Control Description
The MAGNASTEER system has software contained in the Electronic Brake Traction Control Module
(EBTCM). The EBTCM processes vehicle speed information from the ABS wheel speed sensors and the
steering
wheel position sensor to provide a control signal to the MAGNASTEER actuator located
in
the
power steering gear.
Steering Wheel and Column - Standard Description and Operation
The steering wheel and column has 4 primary functions:
• Vehicle steering
• Vehicle security
• Driver convenience
• Driver safety
Vehicle Steering
The steering wheel
is
the first link between the driver and the vehicle. The steering wheel
is
fastened to a
steering shaft within the
column. At the lower end
of
the column, the intermediate shaft connects the
column to the steering gear.
Vehicle Security
Theft deterrent components are mounted and designed into the steering column. The following
components allow the column to
be
locked
in
order to minimize theft:
• The ignition switch
• The steering column lock
•
The ignition cylinder
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