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Thread: D4 Reliability

  1. #1
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    Default D4 Reliability

    Hi all,

    Just a general question, nothing on the vehicle has been repaired/replaced mechanically and has FSH with agents. Low mileage (<90000km) vehicle and generally in very good condition.

    Is there anything I should be aware of? Check?

    Appreciate the assistance
    2017 FORD RANGER WILDTRAK 4X4 AUTO
    2015 LAND ROVER D4 HSE
    2013 Suzuki Jimny - "Suzie Q" - SOLD

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    Default Re: D4 Reliability

    Year?
    Petrol/Diesel?

  3. #3
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    Default Re: D4 Reliability

    Year - 2015
    Diesel (SDV6)
    2017 FORD RANGER WILDTRAK 4X4 AUTO
    2015 LAND ROVER D4 HSE
    2013 Suzuki Jimny - "Suzie Q" - SOLD

  4. #4
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    Default Re: D4 Reliability

    At that distance mine (2010) required lower wishbone bushes.

    Replaced again at 180k km's.

    Only repairs was a diesel filter housing and coolant reservoir due to faulty sensors.

    Suspect a sticky front caliper due to uneven pad wear on RH front at the moment, currently just shy of 200k km's.

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  6. #5
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    Default Re: D4 Reliability

    So in general, they not as unreliable as made to believe?
    2017 FORD RANGER WILDTRAK 4X4 AUTO
    2015 LAND ROVER D4 HSE
    2013 Suzuki Jimny - "Suzie Q" - SOLD

  7. #6
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    Default Re: D4 Reliability

    Quote Originally Posted by freewheeler View Post
    So in general, they not as unreliable as made to believe?
    You have the can opener in your hand I see
    FJC - Just Cruising

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  9. #7
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    Default Re: D4 Reliability

    Quote Originally Posted by dirtshark View Post
    You have the can opener in your hand I see
    And once those worms are out...

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    Default Re: D4 Reliability

    Quote Originally Posted by freewheeler View Post
    So in general, they not as unreliable as made to believe?
    Correct!
    Discovery 3 V8 HSE
    Defender 90 2.8i
    Audi SQ5 Tdi
    Range Rover 4.4 V8 sold
    Audi A3T sold



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  12. #9
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    Default Re: D4 Reliability

    Quote Originally Posted by freewheeler View Post
    So in general, they not as unreliable as made to believe?
    Correct!
    Cam belt should be done after 7 years plus plastic water manifold. Some indies recommend replacing both water pump and oil pump at the same time - up to you and your indie.
    Mine is a 2013 model and apart from above needed lower control arms at 90 000. Nothing else has gone wrong.
    2013 Discovery 4 SDV6S
    2008 Discovery 3 TDV6S (SWAMBO)
    Imagine Comfortvan

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  14. #10
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    Default Re: D4 Reliability

    I have come to realise that the MOST opinions relating to the unreliability of these vehicles are from hearsay, i.e. people who have never owned one.
    2011 RRS HSE Lux
    2002 Disco 2 Td5 GS A/T

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    Default Re: D4 Reliability

    Quote Originally Posted by Skippr View Post
    I have come to realise that the MOST opinions relating to the unreliability of these vehicles are from hearsay, i.e. people who have never owned one.
    100% In 20 years of owning a Series3, Defender, RR and Discovery I have never had a breakdown. All my Landyís were/is high mileage and I have only had to replace wear and tear items.

    If all these vehicles were so unreliable I must be the luckiest man alive.
    Discovery 3 V8 HSE
    Defender 90 2.8i
    Audi SQ5 Tdi
    Range Rover 4.4 V8 sold
    Audi A3T sold



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  18. #12
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    Default Re: D4 Reliability



    A WK, XJ and a Ducati...

    "Stil, broers,daar gaan Ďn man verby, hy groet, en dis verlaas.
    Daarís nog maar een soos hy; bekyk hom goed."

  19. #13
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    Default Re: D4 Reliability

    The plastic water manifold is a big deal. It should be replaced at 100k and every 100k.

    Ours have not been problem free. We have had three "serious" issues in three years of owning two.

    2017 SDV6 on about 85K:

    - Incorrectly installed diesel fuel filter (by LR Waterford) came "loose" about 2,000 km after service was done, leading to a major fuel leak. As car as under service plan, just had them come and get it and fix it. Handled promptly and professionally. Happened locally. Would have been rather irritating in Bots or something but i do carry a spare filter.

    2012 SDV6 on about 255,000k:

    - Plastic water manifold exploded, causing complete cooling loss but fortunately no engine damage - resulted in towing
    - Electric parking brake failed to disengage, back up cable release failed to disengage, had to leave car overnight (on sani pass no less), EPB released next morning. Had plastic!!!!! gears replaced with bronze after market, no further issues.

    Maintenance:

    - Transfer case rebuilt
    - Air suspension compressor replaced
    - Transmission serviced by ZF - due to shudder and wear
    - Replaced water pump proactively
    - Car now in for possible turbo rebuild or exhaust manifold gasket leak

    The 2012 gets heavy use offroad, trails, etc..., and also has pulled a caravan for about 20k over the past couple years.

    All in all, the "left on the side of the road" across the two vehicles has not been bad, has not been perfect. The maintenance, I think considering age and complexity of the vehicle, has been reasonable.

    The 2017 was bought "nearly new" so about 70k driven by me. The 2012 was bought with 180k on, so 70k on that one as well driven by me - 140k on the two vehicles combined in just under 3 years.

    Both have been well maintained - the 2017 by LR, and the 2012 since I've owned it by Overlandworks, and had a full LR service history when I bought it.

    A very capable, and very comfortable, car. Beats a Yota every day of the week. The only vehicle I'd entertain as an alternative is a Patrol, just because I think they are really cool.
    Last edited by heyyahhey; 2021/04/22 at 03:42 PM.

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  21. #14
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    Default Re: D4 Reliability

    Mine is a 2017 and it is on 90k km. We've replaced the compressor for the air suspension.
    Was going to sell it a while back, but decided to hang on to it, as there is just nothing out there that ticks all our boxes like the D4 does.

  22. #15
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    Default Re: D4 Reliability

    You can work it out yourself

    The Mean Time Between Failures (MTBF) = Total Kms/Total Failures

    Failure Rate = 1/MTBF

    Mean Time To Repair (MTTR) = Total Hours of Maintenance/Total Number of Repairs

    Mean Time To Fail = 1/Failure Rate

    Availability = MTBF/MTBF+MTTR
    Estee = S T = Sean Towlson

    Total 4x4 Novice with no experience whats-so-ever

    ''Nothing makes the Earth seem so spacious as to have friends at a distance; they make the latitudes and longitudes''. H.D. Thoreau.

    Hummer H3 V8

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  23. #16
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    Default Re: D4 Reliability

    Quote Originally Posted by Estee View Post
    You can work it out yourself

    The Mean Time Between Failures (MTBF) = Total Kms/Total Failures

    Failure Rate = 1/MTBF

    Mean Time To Repair (MTTR) = Total Hours of Maintenance/Total Number of Repairs

    Mean Time To Fail = 1/Failure Rate

    Availability = MTBF/MTBF+MTTR

    Out of curiosity- how has that H3 treated you? I always liked the H2 - donít think it would work on some of the trails around here though

  24. #17
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    Default Re: D4 Reliability

    Quote Originally Posted by heyyahhey View Post
    Out of curiosity- how has that H3 treated you? I always liked the H2 - donít think it would work on some of the trails around here though
    In two years of ownership it has only been serviced according to manufacturers specification. It remains solid, no rattles or squeaks considering it is a 2009 model. It has comparable technical specs to the Jeep Rubicon, sans the SFA which is a pity and handles touring and trails quite well thank you

    It is cramped though compared to the LRs, not from a drivers perspective though and handles long distance cruising like a well manufactured saloon car. However, the sound system becomes painful when the base achieves harmonic resonance with the exhaust

    However, fuel costs have probably exceeded the total breakdown and repair costs of all of my LRs since 1997
    Estee = S T = Sean Towlson

    Total 4x4 Novice with no experience whats-so-ever

    ''Nothing makes the Earth seem so spacious as to have friends at a distance; they make the latitudes and longitudes''. H.D. Thoreau.

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  26. #18
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    Default Re: D4 Reliability

    The irony though.

    A Janqui driving and waxing lyrical over a Limey vehicle and a Limey driving and waxing lyrical over a Janqui vehicle
    Estee = S T = Sean Towlson

    Total 4x4 Novice with no experience whats-so-ever

    ''Nothing makes the Earth seem so spacious as to have friends at a distance; they make the latitudes and longitudes''. H.D. Thoreau.

    Hummer H3 V8

    W.A.P Objectivist

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  28. #19
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    Default Re: D4 Reliability

    Quote Originally Posted by Estee View Post
    The irony though.

    A Janqui driving and waxing lyrical over a Limey vehicle and a Limey driving and waxing lyrical over a Janqui vehicle

    I like the GMs a lot - Tahoe and Suburban and the 1500 and 2500 Pickups. But yep those V8s like to drink. Worth it.

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  30. #20
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    Default Re: D4 Reliability

    Quote Originally Posted by Estee View Post
    You can work it out yourself

    The Mean Time Between Failures (MTBF) = Total Kms/Total Failures

    Failure Rate = 1/MTBF

    Mean Time To Repair (MTTR) = Total Hours of Maintenance/Total Number of Repairs

    Mean Time To Fail = 1/Failure Rate

    Availability = MTBF/MTBF+MTTR
    PS: remember the mean time is in kilometers.
    Estee = S T = Sean Towlson

    Total 4x4 Novice with no experience whats-so-ever

    ''Nothing makes the Earth seem so spacious as to have friends at a distance; they make the latitudes and longitudes''. H.D. Thoreau.

    Hummer H3 V8

    W.A.P Objectivist

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