New MOT regs re diesels?

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lrmonks

Member
Posts
97
Just received this message from my MOT testing station.
'Please note that as part of the MOT test, Diesel engines are run at high revolutions for sustained periods of time, it is important to be aware of the condition of your diesel engine, especially with regard to things like camshaft drive belts prior to having an MOT carried out'.
I am rather concerned about this for my 1997 300tdi. Is this a new regulation? What can I do about this? I have always tried to take care of the engine and never brutalised it like thas. Makes me wonder if they are trying to wreck old diesels.
 
Last edited:
lrmonks said:
Just received this message from my MOT testing station.
'Please note that as part of the MOT test, Diesel engines are run at high revolutions for sustained periods of time, it is important to be aware of the condition of your diesel engine, especially with regard to things like camshaft drive belts prior to having an MOT carried out'.
I am rather concerned about this for my 1997 300tdi. Is this a new regulation? What can I do about this? I have always tried to take care of the engine and never brutalised it like thas. Makes me wonder if they are trying to wreck old diesels.
Click to expand...
Forget it they need to rev/run to pass emissions usually anyway this is just covering them, " please don't fall down the toilet"
 
Anaconda said:
No, but surely they have always done this?
The notice is to cover themselves in the rare occasion something might go wrong.
Eg, your cambelt fails due to it never been changed.
Click to expand...
Never heard of this before, so maybe thay have thrashed the F out of in in neutral before. I really don't like the sound of it as I once had a diesel which ran away and blew up and that was only for less than a minute!
 
Anaconda said:
They don't sit there with their foot flat to the floor.
You have no choice if you want a MOT.
Click to expand...
Just wondering if they differentiate between a BMW M3d and an old 300tdi. Also the memo makes me wonder if they have blown a few up.
 
Somewhere between 3500rpm and 4500rpm.
I imagine the above vehicles have different official readings they need to match.
I don't know I'm not a MOT tester.
 
Consultation regarding a new particle number emissions test as part of the MOT.
For modern diesel vehicles, maybe that is what your getting concerned about?
 
lynall said:
Just make sure the engine is up to operating temperature before presenting for the mot.
Click to expand...
That's my thinking, for older diesels they would tend to fail the MOT on emissions. They used to say, take it out for 5 mins "drive it like you stole it", then it would pass.
 
lrmonks said:
Never heard of this before, so maybe thay have thrashed the F out of in in neutral before. I really don't like the sound of it as I once had a diesel which ran away and blew up and that was only for less than a minute!
Click to expand...
That would have been something wrong with the engine then, not the test..... ffs :rolleyes:
 
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