[Author Prev][Author Next][Thread Prev][Thread Next][Author Index][Thread Index]
Re: Coolant Fan Stay on
> The radiator fan on my 1990 200 TQW will not switch off after the ignition is
> off and the car/coolant temp. is low(<100 deg. F). I had to disconnect the
> battery to prevent a complete discharge. This is the first time the fan has
> stayed on so long after shut down. After looking in the Bentley manual for
> info on the probable failure item, I suspect the control relay in the left
> front kicker or the radiator thermoswitch. Does anyone have other clues or
> suggestions to cure this problem. Please e-mail directly.
Typical. The relay's contacts have welded themselves together in a *closed* position.
There is a TSB, issued by AoA, recommending to replace the existing 40a relay with a
new style, with a 70a current load capacity.
'89 200TQ - 18psi (TAP)
'97 A4TQ - on the dealer's lot