Power Assisted Steering Failure - Ford C-Max Forum
 
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post #1 of 2 Old 04-13-2010, 07:16 PM Thread Starter
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Join Date: Jan 2010
Location: Kent
Posts: 13
Just a quick note to anybody with power assist failure.

Check the wiring before examining anything else.

Mine was making a thumping sound and sounded as ifthe pumphad failed.

Remove theoffside (drivers side)headlight and check the power cable is not pinched/stretched. Mine was pinched in the power steering housing/front bulhead (in the factory). This over time has caused a break somewhere in the connecting plug. If I wiggle the cable with the power on I can hear the pump engaging.

The car is sold now so good luck to everyone. Going back to old skool Fords. They are much more reliable!

Cosworth is offline  
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post #2 of 2 Old 04-14-2010, 03:33 AM
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Join Date: Apr 2010
Location: Harlow
Posts: 1
My 09 reg C-Max has just suffered a second Power Steering failure in the last 5 weeks.
Both repaired under warranty, both reportedly due to water ingress down the electrical cable loom.
Both failures occurred on starting the engine so at least I was not travelling.
Is this a common fault?
In both cases, immediately following the failure (for around 10-20 minutes), I was unable to steer the car. This later eased to very heavy steering, to enable me to drive home/drive to the dealer. both journeys around 2-3 miles. The heavy steering seemed to include pushing against the hydraulic fluid.
I am concerned that there may be a failure mode scenario where the pump fails whilst driving andthe steering fails due the hydraulic pressure.
The possible consequences are horrifying.
Am I worrying over a scenario that could not happen? or is my concern real?
Henry is offline  
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