@Bobdog , Yes the light should come on immediately, as there would be no pressure, not sure why you have it as a question.

All the results of this failure mode I have read about appear to be lackof oil causing engine failure. not damage due to the chain rattling around. At the edn of the day a fubarred engine is just that. If it is a concern then remove the sump and check it.

Cheers
Its just a question as i wondered if its happened and people havent noticed. If the light came on and you immediately pulled over and switched the engine off, surely it couldnt cause too much damage as there would still be residual oil in the engine. Point being, (from what i'm reading here) if the oil light comes on and you know there's oil in it, there is a high chance that the bolt has fallen out.
 
If the light came on and you immediately pulled over and switched the engine off, surely it couldnt cause too much damage

Certainly not something I would like to put to the test, and that is if you notice the light straight away and react quick enough. Imagine doing 70 on a busy MWay, How quickly can you pull over and stop that engine safely?

Cheers
 
Just for the record it is possible without dropping the crossmember,I had no choice but to succeed this way.If you jack the body up you have just enough room to fit the gasket and clean out the sump,bit of a chew but not impossible by any means.
 
Just for the record it is possible without dropping the crossmember,I had no choice but to succeed this way.If you jack the body up you have just enough room to fit the gasket and clean out the sump,bit of a chew but not impossible by any means.

Why did you have no choice ???........

Cheers
 
Because I'd undone all the sump bolts and the pan was down.
Then I tried and failed to remove the crossmember bolts.
 
I no a mechanic who said a chap with a Discovery td5 came in with a knocking bottom end... Only to find out the bolt or something was loose and moving over and hitting the sump... Does this even sound possible lol?
 
Its just a question as i wondered if its happened and people havent noticed. If the light came on and you immediately pulled over and switched the engine off, surely it couldnt cause too much damage as there would still be residual oil in the engine. Point being, (from what i'm reading here) if the oil light comes on and you know there's oil in it, there is a high chance that the bolt has fallen out.
This happened to mine at less than 100k on clock .... I have a thread on here from last year luckily I noticed the light and didn't do any major damage... although when repaired the turbo went not long after.... 1 year on still going strong at 110k
 
This happened to mine at less than 100k on clock .... I have a thread on here from last year luckily I noticed the light and didn't do any major damage... although when repaired the turbo went not long after.... 1 year on still going strong at 110k
That was lucky!
When I did my rebuild, the new genuine LR sprocket bolt came with thread lock on it, I also added more Loctite!
Quick aside, apparently a Rolls Royce Merlin would run for just over a minute without damage, with no oil pressure!
 
Anyone remember the old Molyslip and Slick50 adverts - they ran the engine for some time with no oil I believe and with no damage after they treated the engine.
Never believed it at the time but maybe it might be an idea for a TD5 :)
 

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