Tyrone.dc
Member Since: 17 Apr 2021
Location: Stoke-on-Trent
Posts: 3
  
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Hi, new to this group so apologies if I am doing anything wrong, I have a 2006 discovery 3 2.7 tdv6 120,000 miles automatic and I have a issue with my gearbox under hard acceleration my box goes into F mode and gives p0730 and p0735 codes it goes through all other gears smoothly with no issues, now the thing that is baffling me is if I drive really steady it has no issues and goes through the gears fine also I have no judder no fluctuations on revs which I see is the common issues, had a mega flush done in Feb but the problem persists, I just cannot afford to chuck thousands at it when it could he a cheaper fix. Any advice would be appreciated thanks
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 18th Apr 2021 12:18 pm |
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aja4x4
Member Since: 14 Apr 2019
Location: Westbury
Posts: 2463
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I think the box has had it, it sounds like you may have a cracked drum on one of the clutches. Andrew
D3 2.7tdv6 2005
D4 3.0 SDV6 Commercial died and gone to LR heaven
D5 3.0 SDV6 HSE
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| 18th Apr 2021 12:35 pm |
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Tyrone.dc
Member Since: 17 Apr 2021
Location: Stoke-on-Trent
Posts: 3
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Ah right looks like a rebuild then cheers
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| 18th Apr 2021 12:39 pm |
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loanrangie
Member Since: 18 Jun 2017
Location: Melbourne
Posts: 699
 
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P0730 is a generic code which can be a number of things, P0735 is the 5th gear solenoid.
You might be lucky and get away with a valve body rebuild and new solenoids.
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| 19th Apr 2021 4:15 am |
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Tyrone.dc
Member Since: 17 Apr 2021
Location: Stoke-on-Trent
Posts: 3
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Cheers for that I might aswell try that first as the cost is alot less and would need to be done anyway thank you
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| 19th Apr 2021 5:07 pm |
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loanrangie
Member Since: 18 Jun 2017
Location: Melbourne
Posts: 699
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Yes, will be doing it myself soon to see if it sorts my similar issues before i bite the bullet and rebuild the box.
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| 20th Apr 2021 2:08 am |
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rustysalmon
Member Since: 21 Nov 2024
Location: Australia
Posts: 1
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G'day Tyrone.dc,
Did you end up sorting this issue out?
My D3 is doing the exact same and am getting the PO735 fault code. The transmission was only rebuilt about 50k ago so am hoping its nothing major.
Thanks
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| 21st Nov 2024 12:33 am |
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loanrangie
Member Since: 18 Jun 2017
Location: Melbourne
Posts: 699
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With a rebuilt box it shouldnt be happening, take it back to the shop that did the rebuild.
I rebuilt my valve body with new solenoids and a sonnax zip kit and it shifts like new now, did it April last year.
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| 21st Nov 2024 12:42 am |
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