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Disco 4 (LR4) Trouble in trattor land

Discussion in 'Land Rover Discovery' started by Grrrrrr, Aug 7, 2019.

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  1. Grrrrrr

    Grrrrrr Technician, Bodgit & Scarper Ltd Full Member

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    Hi chaps,

    Posting for a mate who has just broken down awaiting recovery. Would be good to hear opinions. It is the 8-speed diesel.

    Symptoms.

    Driving on dual carriageway and went to overtake. All of a sudden the revs climbed but no power, like the gearbox was lunch. About 20 seconds later the oil light came on. No where to stop so came off at first exit. Stalled at roundabout, restarted but engine is seriously clattering and oil smells burnt.

    My first thought was maybe a cambelt had jumped but apparently the belts were done 6 months ago.

    Any ideas?

    Cheers!
     
  2. gstuart

    gstuart D3 Grandad

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    Hiya

    Really Hope I’m wrong but sounds like the oil pump cover wasn’t upgraded and the tensioner corner has broke off or even worse shells have spun and snapped the crank

    Unfortunately if it is either of these the engine is toast , has he by any chance got a warranty

    Plse let us know of what the outcome is , thks
     
  3. Grrrrrr

    Grrrrrr Technician, Bodgit & Scarper Ltd Full Member

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    I did think of the oil pump but apparently all that work was done before he bought it, or so the receipts say. However, that doesn't mean they actually touched the cover!
     
  4. freelance

    freelance Well-Known Member

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    Worse case broken crank, almost as bad cambelt slipped, as bad turbo blown
     
  5. Grrrrrr

    Grrrrrr Technician, Bodgit & Scarper Ltd Full Member

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    Should have mentioned oil level is fine but start the car and smoke comes out the filler cap and it smells seriously hot. Again, did think of turbo but apparently it is more a clattery, like valves mashing or shells gone.
     
  6. bootneck99

    bootneck99 Member

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    I had RRS that had the broken crank, you couldn't turn the engine over at all. Known problem with the 3.0 engines
     
  7. gstuart

    gstuart D3 Grandad

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    Cheers , trouble is when they do the belts they remove the tensioner , when it’s refitted the corner is weakened, then down the road if it’s not the upgraded one that has the stronger corner it snaps

    Pics of the original and modified oil pump cover

    Also heard of a few where the crank has snapped and engine still fired but sounded like a bag of nails

    Doesn’t sound like a turbo as that would have indeed ended as a runaway and dumped the oil out the exhaust

    B005A8D6-2B80-4F30-96BC-B38BFACF7C6B.jpeg AC4295DC-C646-4057-A888-927ED20AEEA4.jpeg
     
    Scarecrow3 and Grrrrrr like this.
  8. lynall

    lynall Well-Known Member Full Member

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    The clatter is a worry but smoke coming out of the filler cap says to me the engine is toast, something serious has let go.
    Ive seen other makes of engines running with a snapped crank and have heard of some 3.0 also doing the same.
     
    gstuart likes this.
  9. gstuart

    gstuart D3 Grandad

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    Plus 1 , seen a few on the D3 forum where indeed the engines have ran with the snapped crank, when I hydrolocked my landy that still ran, didn’t sound to good mind

    Think the D4 recon engines are around £7k

    Many find it Cheaper to just buy a S type jag
     
  10. AdamD1

    AdamD1 Well-Known Member

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    Do the engines fail in the Jags?
     
  11. lynall

    lynall Well-Known Member Full Member

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    Im led to believe they do the same party trick just not on the same scale plus its just not so well advertised!
    I think the main reason people say to use the jag lump is the cars when old are pretty much worthless whereas the landrovers still have some decent value in them.
     
  12. Grrrrrr

    Grrrrrr Technician, Bodgit & Scarper Ltd Full Member

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    Snapped crank sounds like possibility.

    Recovered home now and SORN'ed while we think.

    If the torque converter let go would that clatter?
     
  13. johnlad

    johnlad Well-Known Member

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    I think it’s a D4 not D3 so oil pump not an issue just crank and cams to worry about
     
    Last edited: Aug 7, 2019
  14. Grrrrrr

    Grrrrrr Technician, Bodgit & Scarper Ltd Full Member

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    I am wondering if he might be lucky and just the oil pump has gone. It starts and runs with a clatter. Clatter seems to be coming from low down but there are covers over everything and access is almost non-existent.

    Yes, this is LR4.
     
  15. Nodge68

    Nodge68 Well-Known Member

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    Can you post a video of the engine running?
     
  16. Grrrrrr

    Grrrrrr Technician, Bodgit & Scarper Ltd Full Member

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    Meant to take a video this evening but forgot. Busy tomorrow so it will have to wait. Car is over 10 miles from me so not exactly handy. Going to take some bits off and then see what I can hear with a stethoscope.

    Odd thing is that it runs for 5 minutes, albeit sounding bad, and then the oil light comes on. Of course, it is too flash to have anything as mundane as a dipstick.

    No oil splashing when I remove the oil filler cap though. Thought I'd see some?
     
  17. lynall

    lynall Well-Known Member Full Member

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    Domt mess about, drain the oil out and see, A how much comes out and, B what else apart from the oil comes out got to be worth pulling the oil filter as well to check for debris?
    Did you ask him when he last checked the oil level?

    Im only guessing from a distance but its sounds fubared to me which is sad for such a recent car.
    I gather its at least 2012 so just wondering how new it is?
     
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  18. Grrrrrr

    Grrrrrr Technician, Bodgit & Scarper Ltd Full Member

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    Oil change done about 200 miles ago. You cannot check the level because no dip-stick! Does a check each startup.

    Yes, we'll drain the oil and have a look. Bearing in mind it was nearly brand new it doesn't smell good now.

    Yes, 2012 plate although maybe built 2011. The 8 speed 3.0 litre one. Lovely when it was running.
     
  19. lynall

    lynall Well-Known Member Full Member

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    I guessed age from the 8 speed comment, they dont hold sod all oil Iirc 6 litres from empty, which simply isnt enough for a large diesel engine.
    If its like the 2.7 the actual metal sump is tiny and I think can be removed in situ and may be worth doing then you can have a pry at the cranks/rods etc.

    There is a company (OvalAutos) who are on the D3/4 forum who reckon they can recon the 2.7 and the 3.0 engines, yet a few others on there who repair the cars for a living reckon once the crank has gone its shags the block.

    Edit ignore the sump comment Ive just looked on ebay and it seems the 3.0 has a large cast assembly rather than the pressed tin on the 2.7.
     
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  20. Grrrrrr

    Grrrrrr Technician, Bodgit & Scarper Ltd Full Member

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    I've got a little USB endoscope that plugs in my laptop (which unfortunately is bust) but I might be able to poke it up the sump plug and have a look around ... I hope!
     
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