Protocol for passing MOT emission test easier (TD5 2006)

Stock_90_TD5_SW said:

Castrol Edge Turbo Diesel 5W40

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If its C3 oil (low ash) then i wouldn’t recommend it in your td5

Thanks, Discodevon. It is C3, one of the many abbreviations in the spec. Could You explain this a little and can You suggest a more suitable oil brand?

The vac pump is mounted on the back of the alternator. Check the hose from there to the servo as well. Also check any joints and other hoses on the vac circuit.

Stock_90_TD5_SW said:

Thanks, Discodevon. It is C3, one of the many abbreviations in the spec. Could You explain this a little and can You suggest a more suitable oil brand?

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Hi I would suggest Total quartz 7000 10w40! It has many anti wear additives and cleaning properties which your td5 will love! But you would need to change more often, C3 oils are mainly for Cars fitted with a DPF and therefore have reduced zinc and ash content which the td5 isn’t very fond of... For more info on the oil type in total 10w40 on YouTube and see the results on the test, the chap does the same test with the Castrol oil in question and it is ****e in comparison

DefenderPilot, thank You for the tips, will do all that!

Discodevon, thank You for that info. I would love to use something that the engine loves Is that 10w part a problem in the winters? We have a couple of weeks of -25*C each year. Is that something that this oil could handle? I would gladly start using something new, because the oil is always dirty, even though the engine seems ok (injectors on nanocom, general smoothness and power) and the EGR has been deleted some 15k km ago..

Stock_90_TD5_SW said:

DefenderPilot, thank You for the tips, will do all that!

Discodevon, thank You for that info. I would love to use something that the engine loves Is that 10w part a problem in the winters? We have a couple of weeks of -25*C each year. Is that something that this oil could handle? I would gladly start using something new, because the oil is always dirty, even though the engine seems ok (injectors on nanocom, general smoothness and power) and the EGR has been deleted some 15k km ago..

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Hi That Castrol c3 stuff is sludge central, not brilliant at keeping an old engine clean, especially an old td5... Try the total stuff on the next oil change ,you and you’re engine will thank me, but unfortunately not you’re wallet it’s not the cheapest, don’t let the total 10w scare you with the cold temps it’s extremely slippery stuff even at that temp!

Regards dd

Dear forum people, I hope I don't over-post here.

The servo and the vacuum pump have been checked by the mechanic and he said they both worked fine.

He directed me to a box with a yellow ribbon captured on the photo here:


and said he thought this to be the cause (as we converse in Russian with the mechanic, it's not always possible to get close approximations of part names). I checked the workshop manual , but there was no drawing of it. Google and youtube didn't give anything either:|. Can anyone identify the black box with the yellow ribbon (name or part number ) Also if You know what it is, can You share some thoughts if it could be the cause? Thanks again to anyone for support.