Thread: TD5 Fuel Filter Drain Plug Failure

Originally Posted by Tombie2

And an M10 Bonded Washer wont go astray either

What's a bonded washer??

JWB
I was about to ask the same
At a guess its a steel washer with a seal fitted.BUT IT IS A GUESS!!!!
Andrew

Also colloquially known as 'Dowty Seals' which is a brand name..



The most common are:-
They are Steel / SS / Alloy washers depending on spec..
With a Rubber seal bonded internally usually NBR, but can be Flourolastomers etc, depending on use...

For an M10 they are around $0.80 each....

thanks, Mike. Learnt something new again. I'll go and get the bolt and washer and keep it in the glovebox!

Will try again, my last post got lost.

I've replaced the original plastic drain plug with a M10 16mm stainless steel bolt That was the easy part. I also drilled a drain hole into the bolt with an exit hole just above the washer.

The replacement washer was a problem. The bottom of the fuel filter canister isn't totally flat, there is a recess around the thread where the rubber seal in a "Dowty Seal" would sit, making this unsuitable.
The only other washers I could find in numerous shops around town were fibre, or nylon. These are both thin and hard, and I don't think would be suitable.
I eventually obtained a small piece of 1.6mm rubber sheeting (nitrile ?), and punched a 10mm hole to make a washer. This would appear to be ideal.

I've since refill the diesel, It would appear that I lost about 20 litres in the 1 - 2 Km travelled before the leak was found.

I was wondering about starting another thread where a list of failure prone items such as this drain plug that everyone really should be replacing could be made. I have also been told there is another problem plug in the cooling system, but I'm not sure which one. The list really should be sticky, or in its own forum, otherwise it would quickly become lost.

Many thanks for your help and comments.

Greg

Originally Posted by LandyAndy

Thanks Greg
I will be servicing mine soon.Will look at changing over to a stainless bolt.What lenght is needed???
Its always concerned me how open to damage the filter is on the D2 TD5.
Andrew

Don't forget Andy our model has the water sensor on the filter, unlike the later D2a which only has a drain bolt.

Baz.

I waterproofed the water sensor and zip tied it to chassis. I then found out that the TDI filter fits the td5. I have used it for 10 months and have not run into any problems. I also cary a spare plug in my tool kit for the filter. I would be interested to know if this can cause any problems to my td5 longterm.

id be using a 9mm ID 2mm oring. should be just about perfect.