200TDI Oil Sump Plug - Which Copper Washer to Use ???

AH-4x4 · May 1, 2023

Hi All,

Need some advice, my engine on a 200TDI defender 90 is a 11L 17377A, with the BritPart service kit I got a crush and a solid copper washer for the oil pan plug. Which one should I use?

Also is it just me or doing the oil pan plug up is very stiff..!!! ? seems cross threaded but had the oil pan off today and threads seem fine. Question, is the bolt/plug tapered ??

Regards.....

Turboman · May 1, 2023

AH-4x4 said:
Hi All,

Need some advice, my engine on a 200TDI defender 90 is a 11L 17377A, with the BritPart service kit I got a crush and a solid copper washer for the oil pan plug. Which one should I use?

Also is it just me or doing the oil pan plug up is very stiff..!!! ? seems cross threaded but had the oil pan off today and threads seem fine. Question, is the bolt/plug tapered ??

Regards.....

As far as I know, that engine would have originally had a solid washer.

People have a habit of doing up the sump plugs ridiculously tight, so the thread on yours may have suffered minor damage, making it hard to screw in. I don't think the plug is tapered.

miktdish · May 2, 2023

I'm with mr Turbo .... solid and not tapered and not overly tightened.

tottot · May 2, 2023

As above, solid washer dont lean to hard.

dag019 · May 2, 2023

I am going to jump on this thread with my issue as I was looking at the crush washers as a posisble attempt to fix. My new to me 200tdi engine is leaking form the sump plug. =I fitted a new solid copper washer and sump plug as part of the light rebuild it had before fitting. Any other suggestions as everyone is recommending solid washers maybe the crush washer isn't the solution I thought it would be?

Turboman · May 2, 2023

dag019 said:
I am going to jump on this thread with my issue as I was looking at the crush washers as a posisble attempt to fix. My new to me 200tdi engine is leaking form the sump plug. =I fitted a new solid copper washer and sump plug as part of the light rebuild it had before fitting. Any other suggestions as everyone is recommending solid washers maybe the crush washer isn't the solution I thought it would be?

If it just a few drops in a few days, I would ignore it.

If it is forming pools on the ground, try wrapping a bit of PTFE tape around the threads of the sump plug.

I don't see that trying the crush washer can hurt if you want to give it a go.

lynall · May 2, 2023

I have been reusing the same dowty seal as my 200 drain plug seal for years with no leaks.

lynall · May 2, 2023

dag019 said:
I am going to jump on this thread with my issue as I was looking at the crush washers as a posisble attempt to fix. My new to me 200tdi engine is leaking form the sump plug. =I fitted a new solid copper washer and sump plug as part of the light rebuild it had before fitting. Any other suggestions as everyone is recommending solid washers maybe the crush washer isn't the solution I thought it would be?

Always worth annealing any copper washer new or used.

tottot · May 2, 2023

lynall said:
I have been reusing the same dowty seal as my 200 drain plug seal for years with no leaks.

If it works why not?

miktdish · May 3, 2023

dag019 said:
I am going to jump on this thread with my issue as I was looking at the crush washers as a posisble attempt to fix. My new to me 200tdi engine is leaking form the sump plug. =I fitted a new solid copper washer and sump plug as part of the light rebuild it had before fitting. Any other suggestions as everyone is recommending solid washers maybe the crush washer isn't the solution I thought it would be?

Your threads maybe worn, the copper washer should seal it OK as long as the material is pliable enough and as @Turboman says a bit of plumbers tape may help.

The reusable Dowty bonded seal washer was originally designed to replace copper washers so should be an excellent replacement.
I was looking for one last year when I did an oil change on my Fokker .... have you got a spare one @lynall ?

lynall · May 3, 2023

miktdish said:
Your threads maybe worn, the copper washer should seal it OK as long as the material is pliable enough and as @Turboman says a bit of plumbers tape may help.

The reusable Dowty bonded seal washer was originally designed to replace copper washers so should be an excellent replacement.
I was looking for one last year when I did an oil change on my Fokker .... have you got a spare one @lynall ?

I doubt it, I most likely purloined it from my works!

tottot · May 3, 2023

Any hydraulic ram repair shop or agricultural agent will have Dowty washers of find on the Fleabay.

AH-4x4 · May 3, 2023

Turboman said:
As far as I know, that engine would have originally had a solid washer.

People have a habit of doing up the sump plugs ridiculously tight, so the thread on yours may have suffered minor damage, making it hard to screw in. I don't think the plug is tapered.

Thanks Turboman... looking at the Haynes Book its calling for 45Nm on the drain plug, seems abit excessive, is this correct?

Ratae · May 3, 2023

Sometimes copper washers are hardened by the stamping out process they are made by.
So are likely to benefit by being annealed - as mentioned above - which will soften them again.

And another vote for PTFE tape!

miktdish · May 3, 2023

Sounds a lot ... but it is an M14 (i think ?) so 45Nm isn't that much.
I normally reckon 25Nm for an M8 and 50Nm for an M10, a copper washer will be well crushed/seated under those pressures.

Turboman · May 4, 2023

AH-4x4 said:
Thanks Turboman... looking at the Haynes Book its calling for 45Nm on the drain plug, seems abit excessive, is this correct?

No idea. I just give it a light tweak with a ring spanner about 10" long.

Some of the ones I have removed, I think people swing on a bar about 3 foot long!

kevstar · May 4, 2023

lynall said:
I have been reusing the same dowty seal as my 200 drain plug seal for years with no leaks.

When I bought my 200tdi project it had a sparkplug used as the sump plug. :banana:

If it works it works..

Turboman · May 4, 2023

kevstar said:
When I bought my 200tdi project it had a sparkplug used as the sump plug.
If it works it works..

How did they attach the plug lead? :vb-eyebrows:

kevstar · May 4, 2023

Turboman said:
How did they attach the plug lead?

Same way they used the vw beetle thermostat mod to lower the cooling temp. :vb-party2:

flat · May 4, 2023

Ratae said:
Sometimes copper washers are hardened by the stamping out process they are made by.
So are likely to benefit by being annealed - as mentioned above - which will soften them again.

And another vote for PTFE tape!

I keep reusing my existing one by re-annealing it each time, eventually it cracks so then I change it. Doesn’t leak though. Well it does just not from the sump plug…

200TDI Oil Sump Plug - Which Copper Washer to Use ???

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