Hi ojallen,
There 2 possibilities for the problem.
1. Faulty pump. Internal wear of the pump resulting in pressure loss. To test this, when steering is heavy, try revving up the engine, if the steering feel changes, then the pump is bad.
2. Valve body clogged or direction change pin is stuck. You need to remove the valve body at bottom of steering rack to check if the pin is moving. Quite often water entry has jammed up the rack bearings.
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Thursday, November 20th, 2008 AT 2:09 PM