400 heating fan

sounds like you need a resistor pack (available from rover main dealer only but not expensive) this controls all speeds for your fan except the highest speed which gets a direct non resistored 12 volt feed. its mounted on the side of the heater box, under the dashboard, depending on model. hope this helps. steve, Oxford.

Ok, guess what I have been doing this weekend?

Dashboard is now stripped out, fan and motor removed from the heater. But I have two questions;

1 Should the heater motor spin freely? it turns easily but stops as soon as you let go.

2 Where is the resistor pack that is used to control the fan speed?

I believe that the heater motor is seizing up, and this has burnt out the resistor pack that controls fan speeds 1 and 2.

Chilly (Alias Alison's husband)

No idea, but I'd imagine it should. With the squeaking noises you've reported it sounds like a bad bearing on the motor so you would probably be best getting one from the scrapyard.

On the original 400 series, it was a small module screwed into the fan casing, and was nothing more than a few coils of resistive wire tapped at various points. Either way, look for several wires going to one point on the fan casing.

Quite probably, especially as the coils mentioned above are positioned so that they're in the air flow from the fan. Obviously a stiff motor will draw more current making the resistive coils hotter than normal, and spin slower so that they don't get as much cooling.

Darren

The resistor pack if fitted on the top of the heater unit and can be accessed via the glove box or radio. Drop the car in to the local independent rover garage (Ex franchisee)

Cost about £40 for the replacement.

Chilly