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stuckinthemud
Member Since: 11 Oct 2016
Location: Leicester
Posts: 17
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| New SDV6 engine - Lower MPG? |
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I've just had the SDV6 in my 2016 D4 replaced (crank problem, fortunately JLR stumped up 90% of the cost). Work was done by franchise and engine was a reman from JLR.
The new engine is returning 3-4 MPG lower than the old one. Is that to be expected on a new engine before it beds in?
Jim
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 28th Feb 2022 10:00 pm |
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galwaygreen
Member Since: 30 Oct 2011
Location: plymouth
Posts: 6525
 
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would have thought it was the tight engine...may use a bit of oil 2..in the old days you would benefit from changing oil after first 1000 miles...the main thing it lives on,,,,many dont when crank goes phook.
what was mileage when failed....we have 2016 so concerned
Last edited by galwaygreen on 2nd Mar 2022 12:22 am. Edited 1 time in total
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| 1st Mar 2022 12:03 am |
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stuckinthemud
Member Since: 11 Oct 2016
Location: Leicester
Posts: 17
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Thanks, suspected that was the case. Was planning an oil change at 1000 and 5000 anyway as I'm keeping the vehicle so looking after it!
Crank failures are a lottery. Many don't go, when this happened it went from no sign of a problem, through an increased roughness which felt like an injector missing, to seized in under 20 miles.
Mine went at 60k, had FSH from main dealer and local (top-end) indie, JLR goodwill paid 90% so if it does go talk to your local franchise about a goodwill application. They had hoped for 100% given age/mileage, clear JLR don't want bad press and are helping customers out.
Jim
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| 1st Mar 2022 6:24 am |
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popsdosh
Member Since: 09 Nov 2009
Location: cambs
Posts: 442
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Had 100% on mine at 67k miles ,however was full JLR service history . Just out of interest what was the total as it seems this is variable as well mine was in excess of 13k with two new turbos. They showed me invoice they had forwarded to JLR. mine has done 3k now and used zero oil.
Sadly it is a lot more common than it should ever be ,out of interest though they are better than the Ingenium ,which from the number I have heard of from friends has become a service item as most of them are diagnosed at service
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| 1st Mar 2022 7:16 am |
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stuckinthemud
Member Since: 11 Oct 2016
Location: Leicester
Posts: 17
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Total was 15k, paperwork was 5 pages, lots of bits replaced!
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| 1st Mar 2022 7:14 pm |
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galwaygreen
Member Since: 30 Oct 2011
Location: plymouth
Posts: 6525
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crank shells spinning another problem...still phookin expensive
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| 2nd Mar 2022 12:27 am |
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stuckinthemud
Member Since: 11 Oct 2016
Location: Leicester
Posts: 17
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Mine was the shells, caused metal filings in the oil which is what seized it up.
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| 2nd Mar 2022 7:01 am |
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popsdosh
Member Since: 09 Nov 2009
Location: cambs
Posts: 442
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surprised as that issue was sorted a while ago. In a tight engine number range( some half wits at Dagenham fitted them the wrong way round) . snapped crank is more common that fills the filter with swarf as well
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| 2nd Mar 2022 8:05 am |
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M3DPO
Member Since: 22 Sep 2010
Location: Notts.
Posts: 8244
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I was under the impression the spinning crank shells syndrome had been cured in later D4s(>MY14) 
It takes around 500 miles for the pistons and rings to get fully polished and the engine to perform at its best, it may also use a little oil in this period.  It can when others can't,
It will when others won't,
It goes where others don't.
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| 2nd Mar 2022 10:29 am |
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