Gm Truck Electric Power Steering

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.

Gm truck electric power steering.

Several weeks ago we reported on nexteer s efforts to replace conventional 12 volt hydraulic rack and pinion steering systems in half ton pickups with all new electric power steering systems in. The automaker is recalling the vehicles worldwide because of power steering problems according to a. The new variable effort hydraulic power steering system standard on most sierra hd double and crew cab models equipped with sle slt all terrain or sierra hd denali trim levels proactively adjusts power steering assist levels in order to increase confidence while on the open road. This causes the vehicle s overall system voltage to drop.

At slow speeds the evo solenoid is fully open making the steering easier. When system voltage drops below 8 8 volts. General motors issued a recall thursday for more than 1 million of its pickup trucks and suvs.