Kia Troubleshooting Questions? Ask a Mechanic
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It is very likely an inner cylinder sleeve seal in the rack and pinion has failed not allowing the P/S pump pressure to move the piston in the rack and move the wheels. Get the vehicle off the ground. Check the steering oil level. Start the engine and steer full left to right a couple of times to make sure there is no air in the system. Also make sure the belt is still on. If there is still no assist, replace the rack and pinion based on the incident. The correct next tech approach would be to run a pump pressure and flow test with a hydraulic gauge.
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You should be able to see fluid moving if the pump and belt are good.
Do you have a hydraulic pressure gauge to check the pump?
Without a way to test it, you may be doing a repair not needed, but with no fluid movement the pump normally would be making noise. With your visual tests replacing the pump should be done first.
When you have a vehicle dragged by winch many things can fail. Assuming you went into a ditch or were in a collision, that also can cause things to fail. Rarely ever would a pump up and failno warning, and if the vehicle was not running when winched it would be odd to fail from winching.
Then its very possible to have messed up both the gear and pump. The only way to know for sure which to replace is with a pressure gauge.
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Sine your filing it on your insurance, they will address it Monday when you take it to the shop.
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