Vehicle & Technical > Discovery

Alternator light flashing when on full lock

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fish:
Anyone know what this might be, seen it several times now only flashes for a second or two. I have checked alternator wires and belt tension, all seem ok, any pointers?

Xtremeteam:
belts not tight enough is the normal thing as ur making it slip due to the load on the pas pump

Damonski:
Id say belt is too slack too.

pritch:
I've had this also, except in my case it turned out to be the PAS pump (the pulley that sits between the fan belt and the aux belt) going all to wonk.

If the belt seems tight enough, it might be worth checking that the PAS pump isn't on it's way out, check to see if the pulley is wobbly.  If it is, then it's a sign that it's probably going to fail at some point, and leave you with no alternator, and very heavy steering.

colintandy:
agree with above check belt tension first then check pump pulley  :D

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