Hi all,
As posted on the recent power steering problem post, I have the same problem as azzer1987. Rear De-mister hasn't worked for ages but im not bothered about that. My power steering doesn't work when the car/engine bay is cold. For example, its worked all summer no problem but last winter and this one now its only working when car as been ticking over or driven then left ticking over for a while and engine bay is warm.
Im an aircraft engineer by trade so im pretty good at fault finding but can't think what it could be. At first thought it could possibly be water contamination in the fluid then freezing blocking the pump, but its not been that cold (im gonna change the fluid anyway).
I changed the relay last year and it didn't solve it. I can't be a mechanical fault because it wouldn't be intermittent, it would be fu*ked all the time. The only other thing I can think of is it could the cold affect the electrical resistance in the circuit via a bare wire somewhere???
Any ideas or experience of this???
Dave
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