OK bobsnow100, now I suppose that when you removed plug wires one after the other engine was running at idle and smooth (if the 5 plugs were connected)
I understood from your previous explanation that it was only during acceleration that the engine was quite rough but when it has reached a certain ...

yes it does include VAT

Suggest you download the magnificient manual that Made In Japan made available to us. See second topic on the main page of this forum and this will tell you all you need to know.

OK guys thanks!

Just by curiosity, how much cost an aftermarket (not genuine Volvo)
pump in the US?

I paid mine 60,00

Appreciate your hints and tips bjornfam

I'll do as you said and be carefull with the seals.

Thanks a lot.

In Europe some Volvos are fitted with these clear (looking) rear light indicators. In fact there is an amber plastic inside (you do not see it from outside or barely) that makes the light looking amber when it flashes.

Have you checked that?

Otherwise the only alternative is what you suggested ...

As I am planning to change S- and T-belts tomorrow on my 850, 2,4, 10V, NA, I shall also take that opportunity to replace the water pump as I do not want to re-do the same job in a couple month or so, eventhough she is not loosing any coolant.
However I could not find any explanation nor drawings on ...

Many thanks for your advice.

I'll certainly try that.

Thanks again

you will probably find the answers to your question on this topic

https://www.matthewsvolvosite.com/chat/p ... 6e8a35b597

Good luck

I'll give it a try and see what happens.

Thanks bobsnow100