NC500
Member Since: 18 Sep 2017
Location: On the NC500
Posts: 497
  
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| Definitive list of Discovery 4 failures |
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So, it's back at the dealers. After only 10 months of owning my second hand MY14 it is making its third trip back to the dealership- this time for a red warning triangle warning and an engine error which showed up on my IID as a MAF fault. I checked the easy items (MAF sensors and cleaned MAP) but it's not that so I suspect cracked inlet manifolds.
This new failure set me thinking- is there a list of common faults/failures for the D4? Clearly, many individual problems are listed on many separate posts in the forum but is there a list of known faults? If there is, is there a corresponding maintenance checklist to prevent or diagnose the fault along with part numbers for the repairs?
If there isn't- perhaps we could/should create one. What do you think?
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 10th Apr 2018 8:51 am |
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NJSS
Member Since: 06 May 2009
Location: Catherington, Hampshire.
Posts: 10499
 
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Good idea.
Suggest a definitive list in the Wiki, without narrative. Narrative if necessary should, I suggest, be in a separate thread, so that the list is a simple place from which to start a search of the forum.
NJSS Am I Gammon or Woke ? - I neither know nor care.
2016 Discovery 4 Landmark
2011 Mercedes Benz SL350 (R230)
1973 MG B GT V8 - 3.9L John Eales engine, 5 speed R380 gearbox, since 1975.
1959 MGA roadster - 1.9L Peter Burgess Engine - 5 speed gearbox
Past LRs - Multiple FFRs, Discos & a Series I - some petrol, some diesel,
none Electric or H2 fuel cell - yet.
There are 10 types of people in this world: Those who understand binary, and those who don’t.
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| 10th Apr 2018 9:29 am |
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Hardware
Member Since: 28 Jun 2016
Location: Hiding under the M60
Posts: 12709
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^^ +1 !
agree avoid narrative. there are so many good fixes on here that seem to require reading 20+ pages to find the correct/complete info that I think sometimes they are missed. which spawns a second thread on same subject.
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| 10th Apr 2018 10:42 am |
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Canburne
Member Since: 15 Jan 2013
Location: Devon
Posts: 2029
 
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Difficult to get it right as JLR don't make Alternators or Compressors for instance - so is it JLR's fault when they fit faulty components?? .
"the inherent vice of capitalism is the unequal sharing of blessings....the inherent vice of socialism is the equal sharing of miseries" Winston Churchill
2016 D4 Landmark Club Waitomo ...or is it Club Tempest????
2015 D4 HSE Aintree Green
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| 10th Apr 2018 3:57 pm |
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Inigo
Member Since: 28 Feb 2012
Location: Kent
Posts: 271
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They may not make a lot of the components, but they do specify them. When failures become apparent, they change the spec, eg different manufacturer for later compressors.
I think the OP was thinking of a useful reference list for checking/diagnosing common faults rather than finger pointing.
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| 10th Apr 2018 5:54 pm |
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