Can a bypass pump be replaced in an EVO steering system?
Can a bypass pump be replaced in an EVO steering system?
The EVO actuator (bypass pipe) replacement pumps have a direct con-. nection to the power steering pressure hose. The pumps with bypass pipes installed fit the same as the OE unit and. function as a standard steering system would.
How are Evo pumps integrated into the aftermarket?
has been integrated into the aftermarket. The EVO actuator (bypass pipe) replacement pumps have a direct con nection to the power steering pressure hose. The pumps with bypass pipes installed fit the same as the OE unit and function as a standard steering system would.
How does GM remove EVO from steering system?
Due to inconsistent steering feel, GM introduced a kit (19168825) to remove the EVO component from the system. The kit has an adapter and union that allows the existing high pressure hose to be connected to the back of the pump after the EVO unit was removed.
How does electronic variable orifice ( EVO ) steering system work?
The “Electronic Variable Orifice” (EVO) steering system was introduced by General Motors. The vehicle’s computer monitored vehicle speed and steering wheel action to activate and deactivate a solenoid on the steering pump that controlled fluid flow to the steering gear. At slow speeds the EVO solenoid is fully open making the steering easier.
The EVO actuator (bypass pipe) replacement pumps have a direct con-. nection to the power steering pressure hose. The pumps with bypass pipes installed fit the same as the OE unit and. function as a standard steering system would.
has been integrated into the aftermarket. The EVO actuator (bypass pipe) replacement pumps have a direct con nection to the power steering pressure hose. The pumps with bypass pipes installed fit the same as the OE unit and function as a standard steering system would.
Due to inconsistent steering feel, GM introduced a kit (19168825) to remove the EVO component from the system. The kit has an adapter and union that allows the existing high pressure hose to be connected to the back of the pump after the EVO unit was removed.
Can a malfunction of the Evo valve cause loss of power steering?
A properly functioning system requires proper operation of the EVO valve (see below), control module and vehicle speed sensor. A malfunction in the EVO valve can result in loss of regulated assist or even complete loss of power assist. However, this problem often is mistakenly perceived to be a defective power steering pump or steering gear.
When did the GM power steering Evo come out?
The EVO itself is attached to the back of the power steering pump and was a new feature introduced by GM in 1997. A defective EVO wheel speed sensor will result in either excessive steering assist, or gaps in steering assist.
What is the Evo number on a Cardone power steering pump?
Refer to the vehicle manufacturers’ service manual for specific test procedures prior to changing any power system component. CARDONE Power Steering Pump numbers ending with “V1” or “V2” (i.e. 20-8747V1) are supplied with the EVO valve. Rack and Pinions ending with “E” are supplied with rack- mounted EVO valve.
The EVO itself is attached to the back of the power steering pump and was a new feature introduced by GM in 1997. A defective EVO wheel speed sensor will result in either excessive steering assist, or gaps in steering assist.
Refer to the vehicle manufacturers’ service manual for specific test procedures prior to changing any power system component. CARDONE Power Steering Pump numbers ending with “V1” or “V2” (i.e. 20-8747V1) are supplied with the EVO valve. Rack and Pinions ending with “E” are supplied with rack- mounted EVO valve.
