Have now connected the new pipes topped up fluid, started engine to get steering lock off then moved steering wheel left to right, topped fluid up again and drove about 6 miles and steering went heavy and was difficult to turn. No obvious whining coming from PAS motor. Thinking of taking pipes off again and reconnecting. No sign of leaks. Any thoughts what it might be?
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Nodge68
Well-Known Member
It the steering isn't leaking, then removing the pipes won't help.
Did you run the engine to purge the system, or turn the steering from side to side before starting the engine? LR specially say to turn the steering from lock to lock with the engine off to purge, which is actually the recommended procedure for all hydraulic steering these days.
The reason being is that many pumps are now of the variable displacement variety, which don't like air in the fluid, as it can cause damage to the variable displacement system inside.
Did you run the engine to purge the system, or turn the steering from side to side before starting the engine? LR specially say to turn the steering from lock to lock with the engine off to purge, which is actually the recommended procedure for all hydraulic steering these days.
The reason being is that many pumps are now of the variable displacement variety, which don't like air in the fluid, as it can cause damage to the variable displacement system inside.
Couldn't get steering lock off without starting engine. So sounding like PAS motor?
Nodge68
Well-Known Member
You can always get the steering lock off without starting the engine.
You simply don't press the clutch or brake pedal when pressing the start button. Doing so puts the ignition on, without starting.
If the steering has gone heavy, then it's likely the PS pump has been damaged by running it with air in the fluid.
It might free up in time, so try driving it for a few miles.
Cheers, will try that
Glad to say it did free up, Had to drive along my driveway and turning steering wheel left and right; took a good few runs to sort. Connection between the hoses started to leak and I couldn't fix those. Got new feed into steering rack and new HP hose and all now good (I attached the hoses together first to ensure good fit before connecting each end). Took about 30 minutes to remove old ones and connect the new ones).
