Thread: D4 Coolant Level Sensor

Originally Posted by kenl

Fair enough, I was merely saying that I fixed my problem, considering that the level sensor was fine before flushing, but not afterwards.

If ones not flushing the system it probably wouldn't be matter, I couldn't locally source the specified coolant so thought a full flush would be the way to go as mixing coolants is also not a good idea.

Personally i took a risk on calculating a 50 50 mix of coolant and (de-mineralised) water as per the manual.

I suspect you will find this only buys you some time before eventually the float has absorbed enough coolant and ends up stuck on the bottom no matter what you do. It seems to loose its "float-ability" over time and eventually gets stuck. At least this is how mine failed over a period of 1 year (started as intermittent getting stuck and then returned to normal - before eventually stayed at the bottom).

Now to replace the bottle and discovered my hands are not small enough to get to the bottom hose clamps.....grrrr.....

I need to change the expansion tank on my sons 2005 d3. Are the cheep after market ones ok or do they split like the d2 ones. On one of the UK parts sites, they state the oe d3 comes without a sensor or bleed screw but the d4 does. Are the sensors the same with the same connectors.
John

Part LR020367 suits both the D3/D4 and RRS. You should be able to order complete with new sensor and bleed screw. You reuse old cap.

I bought mine from British Auto Parts in Bayswater, Victoria - dispatched in mail same day.

The bottle looks identical to the one shown in the Atlantic British video on how to fit, and the same as sold by LR Direct in the UK.

I have yet to fit but the quality looks good. On the online ad it says “this is not the cheap Britpart one”.

I’ve read a lot you should ideally change the cap at same time and not reuse old one.

Don’t buy this

Expansion Tank - LR020367P - Aftermarket | Rimmer Bros


It had a faulty sensor when it arrived and the bleed screw has leaked from day 1. I’m not sure who actually manufacturers it - “Aftermarket”

Thanks for the info,I also noticed his inner front cv boot has split around the shaft. Has anyone had success fitting a universal split type where you use glue to join them, I recall they used to have a tongue and groove type of join.
John

Originally Posted by sharmy

Thanks for the info,I also noticed his inner front cv boot has split around the shaft. Has anyone had success fitting a universal split type where you use glue to join them, I recall they used to have a tongue and groove type of join.
John

I successfully used the YouTube bike tube and cable tie interim solution.

Believe glad wrap can also be used as short term “bush trick” solution.

I then bought a genuine LR boot kit with new grease for not too much online.

How to here;

DISCO3.CO.UK - View topic - How To? - Change Front Driveshaft Boots