Excellent and thank you for sharing your experience 🫵😎👍
Has anyone ever had the one way valve in their ABS pump fail?

Since i got my P38, when the ABS pump is not running it would make a very soft rythmic ticking. So making an edjucated guess i thought it was the one way valve that was leaking and then allowing pressure from the resevior to force the pump to rotate in reverse. The pump would run and then shutdown and immediately start its ticking noise and probably about 3min later it would run again (without the brakes being used at all).

So i got hold of a pump with a failed motor along with a preassure switch for quite cheap. So i built my motor over into the new pump and installed it last night. Im quite happy to say my guess was correct, the issue was the one way valve as the new pump doesnt make the ticking noise and i left it for about an hour without the pump running again after first building pressure.
 

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