2000 Bentley Arnage Red Label looking for IETIS

Hello, I purchased mine from Flying Spares, arrived on a nice wooden clad USB drive.

IETIS PARTS & WORKSHOP MANUAL - USB STICK (Seraph & Arnage) (P32150-USB)

Thank you, I'll try to negotiate a purchase.

Ah, the "lead plug" failure in a thermostat (as it doesn't look as though it's stuck shut). Once those plugs are out, the coolant is never going to get up to temperature since the coolant is running through the radiator from the moment the car is started.

I had one of those thermostats fail in precisely the same way in my Silver Wraith II. See: Thermostat Issues and Selection

Even Crewe eventually dropped this style in later years.

Have you tested the melting point of the solder plugs? This is a disaster in the making if it's too high and doesn't melt.You would have been better off with the Stant replacement in my opinion.

The car came to me with an unknown history. You can put in a new thermostat and it will leak again. While I collect it so that I can check other parts.

I would never put that thermostat back in unless I had done a boil test to make sure it is actually opening. These typically get stuck open rather than closed, but both have happened.

Even if I did put it back in during diagnostics, it would not be staying in there because there are inherent problems with this thermostat which are documented in the article I gave the link to earlier.

It's a way worse outcome if the thing sticks shut and the engine overheats than it is if it were stuck open (or the plugs are missing) and the engine runs cold, even though that's not good over the long term.

Thanks, that's a good point, especially when the thermostat is $7.
Of course, I checked the work of the thermostat before installation and I plan to very carefully monitor the temperature of the machine during the test.
If the result is positive, I will definitely install a new one.

Excuse me, but I had never repaired Bentley before, so some points are not clear to me. It’s good that anyone has to ask.

vintik said:

but I had never repaired Bentley before

Click to expand...

Which is but one reason you were very wise to have turned to a venue such as this, and have been carefully taking the advice on board.

These are not "typical" cars in a great many ways, and it's shocking just how screwed up they can become if repairs and maintenance are not performed correctly.

Crewe loved what I call "boutique engineering" on a lot of things where I think it would have been much better to have done just what everyone else was doing (and vice versa on a few things, but very few).