CitroJim's AX, C3 Picasso, Cycling and Running Tales

[RichardW]

As you are having the coolant drained, worth a check that the stat housing is not starting to leak - it's a common failure point. If you remove the inlet air pipe to the filter you can get a mirror under it to check for any telltale signs.

[CitroJim]

As you are having the coolant drained, worth a check that the stat housing is not starting to leak - it's a common failure point. If you remove the inlet air pipe to the filter you can get a mirror under it to check for any telltale signs.

Thanks Richard, I'll do just that as I've noted the coolant has dropped very slightly in recent months...

[PaulC5]

I am sure you will do it but it is worth the effort of checking the coolant system. About 1000 miles ago I topped up the Cactus coolant slightly and then 2 weeks ago our daughter said it had a Urea fault message. I got the car to take it for repair but found the coolant level was only just at the bottom of the tank and the radiator was leaking. If not for the Urea message it could have been run until the engine overheated.

The urea fault codes were P2201 (NOx sensor circuit range/performance bank 1) and P16EA (excess emission of ammonia) and the exhaust tail pipe was white from the adblue. It needed a new injector (old one leaking), new NOx sensor, new section of exhaust pipe as the sensor could not be removed but the pipe was badly corroded and due for replacement anyway, a new radiator. Total cost at the dealer £2344, ouch, the dearest part was the pipe, looks nice and shiny so might be made from silver. Most of the labour was for the radiator. It is 10 years old now and on 84k miles so possibly getting due for replacement and the next expensive thing might be the dpf replacing, it has already had a clutch, timing belt and eolys fluid filled up.