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[HI2DVY]

I have a continuous "Coolant Level" warning/CHECK on my 2.5 facelift. Doesn't matter whether coolant level is normal, high or low I still get the warning when I first start engine or switch off. Is this a faulty sensor or does it require a Tech 2 reset? If it's the sensor, can someone tell me where it is? I have tried fiddling with the float inside the coolant reservoir but no change.

Any ideas?

[Taxi_Driver]

The float is the sensor.....so if it isnt stuck and moves freely.....check the wiring underneath the reservoir.....if this is sound....then you need a new reservoir....about £40ish from vx dealer iirc

Or paperclip shoved in the connecter shuts the mid up.....however no future warnings of low coolant!

[Andy B]

I have a continuous "Coolant Level" warning/CHECK on my 2.5 facelift. Doesn't matter whether coolant level is normal, high or low I still get the warning when I first start engine or switch off. Is this a faulty sensor or does it require a Tech 2 reset? If it's the sensor, can someone tell me where it is? I have tried fiddling with the float inside the coolant reservoir but no change.

Any ideas?

You've already been 'fiddling' with it! Oo er!  The sensor is part & parcel of the header tank. If you lift the tank out you'll see the plug - you coud always check the connection before you condemn the tank. A new header tank is about £30 which is all nice & clean and white too!  

[Jimbob]

Same here, no amount of fiddling fixed it.
Sensor is currently a paperclip

When it's next due a flush I will probably replace the tank.

[HI2DVY]

Thanks for the input guys. Looks like I'll be needing a new header tank then. It's needing a new HBV anyway so I guess I'll be getting my hands wet this weekend!

Dave