Discovery 4 5.0L V8 problem - Page 7





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Thread: 5.0L V8 problem

  1. #121
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    Default Re: 5.0L V8 problem

    So after everything was replaced the feedback from the LR technician on turning the motor by hand was that things felt too tight..

    This resulted in a full body off and complete removal of the heads but nothing that could be diagnosed as to why the tightness...

    Some Lesotho Baboons Pass shrubbery still present on the front cross-member

    Have no further news other than the piston, bores and heads look great considering +140K on the clock..
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    Every dog has its day, and those with broken tails have their weak-ends...

    1976 CJ-7, 400CI + Holley EFI, Tera-Low 3,15:1 twin stick, ARB's front & rear, oil leaks & plenty more....

    All my other petrol burners are boring....

  2. #122
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    Default Re: 5.0L V8 problem

    Just some feedback on my previous post in this regard, final bill came to R94K, R64K of which was the timing chain issue, balance being waterpump replacement, some suspension & brake work, and body mount bushes if I recall correctly...

    This seems to bring prices more in line with other posts on this subject..

    D4 nice an quiet now I believe..
    Last edited by Marcochezzi; 2018/10/08 at 02:06 PM.
    Every dog has its day, and those with broken tails have their weak-ends...

    1976 CJ-7, 400CI + Holley EFI, Tera-Low 3,15:1 twin stick, ARB's front & rear, oil leaks & plenty more....

    All my other petrol burners are boring....

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  4. #123
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    Default Re: 5.0L V8 problem

    Whilst at my indie today I saw a V8 with this issue. He said it was an issue with the tensioner. It resulted in a valve kissing a Piston. R56k in parts and R100k in labour

  5. #124
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    Default Re: 5.0L V8 problem

    Quote Originally Posted by Hamrat View Post
    Whilst at my indie today I saw a V8 with this issue. He said it was an issue with the tensioner. It resulted in a valve kissing a Piston. R56k in parts and R100k in labour
    Um, no, those figures are off by just a bit... Indies are supposed to be more cost effective than the dealers. R100k in labour would equal over 100 hours of work and the dealer only charges approx 20hours for this job.

    I'd find another indie... just saying.
    2004 LR Discovery 2 Td5 GS - Hybrid Turbo, Intercooler, 33's, 2" Lift, V8 TC, Ashcroft CW&P 3.75 + ATB lockers. [GoldiloX]
    2003 LR Discovery 2 Td5 ES - mods list to be updated [Husky]
    2010 LR Discovery 4 V8 HSE - Lifted with IIDtool, Powered by Petrol and Running on Cooper AT3 LT (new spec) 265/65/18s [Imvubu] - SOLD

  6. #125
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    Default Re: 5.0L V8 problem

    Agreed, I bent all 32 valves and my bill came to 65K all in, that seems excessive
    Range Rover Sport 5.0 SC
    Lotus 7 replica racecar.
    Ex R5 Touareg with air and RDL

  7. #126
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    Default Re: 5.0L V8 problem

    Quote Originally Posted by Hamtheman View Post
    Agreed, I bent all 32 valves and my bill came to 65K all in, that seems excessive
    Ouch 32 bent valves what else needed replacing and did it run fine after it was back together?

  8. #127
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    Default Re: 5.0L V8 problem

    New valves, tensioner assembly, while in there I did water pipes, pump etc.
    She is running better than ever.
    Range Rover Sport 5.0 SC
    Lotus 7 replica racecar.
    Ex R5 Touareg with air and RDL

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  10. #128
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    Default Re: 5.0L V8 problem

    I didn't need new valves fortunately as the tensioner gave in while idling... so they just needed to be reseated.

    Engine is like brand new. Loving it.
    2004 LR Discovery 2 Td5 GS - Hybrid Turbo, Intercooler, 33's, 2" Lift, V8 TC, Ashcroft CW&P 3.75 + ATB lockers. [GoldiloX]
    2003 LR Discovery 2 Td5 ES - mods list to be updated [Husky]
    2010 LR Discovery 4 V8 HSE - Lifted with IIDtool, Powered by Petrol and Running on Cooper AT3 LT (new spec) 265/65/18s [Imvubu] - SOLD

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  12. #129
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    Default Re: 5.0L V8 problem

    Quote Originally Posted by douglash View Post
    I didn't need new valves fortunately as the tensioner gave in while idling... so they just needed to be reseated.

    Engine is like brand new. Loving it.
    As a matter of interest what does "reseating of the valves" mean?

    Is it that the valves edges have been damaged, or the steel valve seat in the cylinder head is damaged and therefore need to be polished / lapped with the old stick and grinding compound method??

    Or is it heads coming off and new valve seats inserted into the heads and then cut to spec??

    Thanks...
    Every dog has its day, and those with broken tails have their weak-ends...

    1976 CJ-7, 400CI + Holley EFI, Tera-Low 3,15:1 twin stick, ARB's front & rear, oil leaks & plenty more....

    All my other petrol burners are boring....

  13. #130
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    Default Re: 5.0L V8 problem

    Quote Originally Posted by Marcochezzi View Post
    As a matter of interest what does "reseating of the valves" mean?

    Is it that the valves edges have been damaged, or the steel valve seat in the cylinder head is damaged and therefore need to be polished / lapped with the old stick and grinding compound method??

    Or is it heads coming off and new valve seats inserted into the heads and then cut to spec??

    Thanks...
    haha.. good question. I actually don't know. But was given the information by LR (now you make me wonder cos LR Hillcrest workshop are a bunch of tools)... my valves weren't damaged so didn't need replacing and believe it was due to the engine only idling.

    So from my Google-Fu quick, I see it is also referred to as 'lapping'.


    https://www.restore-an-old-car.com/h...ap-valves.html
    2004 LR Discovery 2 Td5 GS - Hybrid Turbo, Intercooler, 33's, 2" Lift, V8 TC, Ashcroft CW&P 3.75 + ATB lockers. [GoldiloX]
    2003 LR Discovery 2 Td5 ES - mods list to be updated [Husky]
    2010 LR Discovery 4 V8 HSE - Lifted with IIDtool, Powered by Petrol and Running on Cooper AT3 LT (new spec) 265/65/18s [Imvubu] - SOLD

  14. #131
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    Default Re: 5.0L V8 problem

    Quote Originally Posted by douglash View Post
    I didn't need new valves fortunately as the tensioner gave in while idling... so they just needed to be reseated.

    Engine is like brand new. Loving it.
    Still waiting for that sound recording...

  15. #132
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    Default Re: 5.0L V8 problem

    Quote Originally Posted by jldup View Post
    Still waiting for that sound recording...
    Flip - yes, you and Fluffy. Ok, setting reminder now to do it as soon as I can find a nice quiet area.
    2004 LR Discovery 2 Td5 GS - Hybrid Turbo, Intercooler, 33's, 2" Lift, V8 TC, Ashcroft CW&P 3.75 + ATB lockers. [GoldiloX]
    2003 LR Discovery 2 Td5 ES - mods list to be updated [Husky]
    2010 LR Discovery 4 V8 HSE - Lifted with IIDtool, Powered by Petrol and Running on Cooper AT3 LT (new spec) 265/65/18s [Imvubu] - SOLD

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  17. #133
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    Default Re: 5.0L V8 problem

    Quote Originally Posted by jldup View Post
    Still waiting for that sound recording...
    Talking about sound I recently went to LR to checkup on my queen now almost 3 week workshop stay, and landed up walking in the vehicle sales section with my 13yr old, when a Jag 5.0 SC 2 seater whatever is called cabrio closeby was started up and revved..

    He had to change underpant...

    What a sound...
    Every dog has its day, and those with broken tails have their weak-ends...

    1976 CJ-7, 400CI + Holley EFI, Tera-Low 3,15:1 twin stick, ARB's front & rear, oil leaks & plenty more....

    All my other petrol burners are boring....

  18. #134
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    Default Re: 5.0L V8 problem

    Quote Originally Posted by Marcochezzi View Post
    Talking about sound I recently went to LR to checkup on my queen now almost 3 week workshop stay, and landed up walking in the vehicle sales section with my 13yr old, when a Jag 5.0 SC 2 seater whatever is called cabrio closeby was started up and revved..

    He had to change underpant...

    What a sound...
    When unexpected, I can imagine it gives a bit of a skrik

  19. #135
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    Default Re: 5.0L V8 problem

    Quote Originally Posted by douglash View Post
    Flip - yes, you and Fluffy. Ok, setting reminder now to do it as soon as I can find a nice quiet area.
    I’m battling to find somebody who can run fast enough behind me with the Microphone.
    Last edited by Fluffy; 2018/10/17 at 09:21 AM.
    Cheers

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    The frogs are starting to notice that the water is getting warm but it is already too hot to do anything about it.....

  20. #136
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    Default Re: 5.0L V8 problem

    Quote Originally Posted by Fluffy View Post
    Iím battling to find somebody who can run fast enough behind me with Microphone.
    Happy to try
    2004 LR Discovery 2 Td5 GS - Hybrid Turbo, Intercooler, 33's, 2" Lift, V8 TC, Ashcroft CW&P 3.75 + ATB lockers. [GoldiloX]
    2003 LR Discovery 2 Td5 ES - mods list to be updated [Husky]
    2010 LR Discovery 4 V8 HSE - Lifted with IIDtool, Powered by Petrol and Running on Cooper AT3 LT (new spec) 265/65/18s [Imvubu] - SOLD

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  22. #137
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    Default Re: 5.0L V8 problem

    Looks like my 2010 D4 with 164 000km on the clock has suffered the same fate, guide and tensioner problem... Have been quoted R84 000 for repair . This after my D3 TDV6 had crank failure a few years ago...

    I specifically looked for and bought the V8 as I was under the impression that it was allot more reliable.... Guess not.

    Apparently this problem only effects the 2010, 2011, 2012 V8's.
    Pass me another beer 8)

    2010 Discover 4 V8 HSE
    2002 Discovery 2 TD5 ES
    2008 Discovery 3 TDV6 S (seized at 231 212km) sold for scrap

  23. #138
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    Default Re: 5.0L V8 problem

    yikes, that's a massive repair bill.

    is that from the stealers or from an indue workshop?
    2010 Defender Puma 90 + BAS remap + Alive IC + Slickshift + Ashcroft ATB rear
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  24. #139
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    Default Re: 5.0L V8 problem

    Quote Originally Posted by Orxy View Post
    yikes, that's a massive repair bill.

    is that from the stealers or from an indue workshop?
    the quote is from an indie, I would imagine double from the stealers
    Pass me another beer 8)

    2010 Discover 4 V8 HSE
    2002 Discovery 2 TD5 ES
    2008 Discovery 3 TDV6 S (seized at 231 212km) sold for scrap

  25. #140
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    Default Re: 5.0L V8 problem

    Quote Originally Posted by Greg Handy View Post
    Looks like my 2010 D4 with 164 000km on the clock has suffered the same fate, guide and tensioner problem... Have been quoted R84 000 for repair . This after my D3 TDV6 had crank failure a few years ago...

    I specifically looked for and bought the V8 as I was under the impression that it was allot more reliable.... Guess not.

    Apparently this problem only effects the 2010, 2011, 2012 V8's.
    Affects all up to early 2012. Should have been done by the TSB by original owner.

    Sorry for the issue. That price looks about reasonable considering current costs of everything.

    Make sure you get the right people to do it.
    2004 LR Discovery 2 Td5 GS - Hybrid Turbo, Intercooler, 33's, 2" Lift, V8 TC, Ashcroft CW&P 3.75 + ATB lockers. [GoldiloX]
    2003 LR Discovery 2 Td5 ES - mods list to be updated [Husky]
    2010 LR Discovery 4 V8 HSE - Lifted with IIDtool, Powered by Petrol and Running on Cooper AT3 LT (new spec) 265/65/18s [Imvubu] - SOLD

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