New XK8 owner. Mine are not working. Dumb question. if I replace the sensors, will I have to get them painted or is that just cap so I can replace the sensors and it will look as it did before?

 

The sensors are shipped without color.
You will need to have them painted body color.

Make sure they are LIGHTLY painted as a heavy coat will render them useless.(block the transducer signal)

You probably don't need to replace all. (maybe none?)

I think the 4.2 liter XKs has the Reverse Parking Aid system on the SCP network.
You should be able to read DTCs to pinpoint the problem if you have ADVANCED diagnostic equipment.

The 4.0 liter XKs have a 'STAND ALONE' system so diagnosis is a bit 'trickier'.

You can get 'salvage-yard' used sensors that are already painted if they can be removed from a car of the same color?

 

I have a 2005 XK8. The parking assist would fail on start up. A long alert and then no sensors. The code reader indicated the right outer sensor had failed. I removed the sensor, it’s a spring loaded bayonet fixture. Cleaned up with WD40 and voila it worked again. Your results may be different. Cheers

 

Right now, I am not hearing anything so I am wondering if the speaker is bad or anything else. I am going to take the sensors out and then clean them with WD-40 and see if that works. Thanks very much.

 

The control unit is in the boot, either in the spare tire well or near the relay box behind the battery. Check the connections are good. The speaker for the alert is at the back of the console between the seats. Just pop the cover and there it is. I think it is an annoyance when it sounds so folks will disconnect it. Good luck !!