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p38 tailgate button internal spring

Discussion in 'Range Rover' started by carl350i, Apr 13, 2011.

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  1. carl350i

    carl350i Member

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    Hi,

    Ive just taken apart my tailgate button because of the usual sticking to find the spring rusted away.

    Is it possible to get a new spring and from where please?

    cheers.
     
  2. Datatek

    Datatek Well-Known Member

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    I can't find anyone who sells a suitable spring, new switch is about £40! I made a spring out of piano wire from the local model airplane shop. Another piece of crap design.
     
  3. carl350i

    carl350i Member

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    Cheers, I wasn't having much luck finding one either. I'll have to make one, there is no point spending out when the rest of it is ok, after all its only a piece of bent wire.
     
  4. sharkyphil

    sharkyphil New Member

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    hi all, i am new to the 'forum' and frankly fairly clueless when it comes to numerous things but none less than cars etc

    our P38 tailgate button depresses (as in pushes in rather than places me in a state of despair) but will not activate whatever it is that opens the tailgate

    i have read a couple of the questions on here but still have two questions please -

    1. does the fact that the button depresses negate the likelihood that the issue is the spring and point instead to the door-locking?

    2. how do i open the tailgate to take out and check the button (get ready for it) given that we have a full, semi-rigid, boot tray which of course we cannot remove to access the tailgate panel before opening the tailgate


    also, on i guess a separate but possibly linked query - on occasion, door locking/unlocking will activate when vehicle just sitting there or driving along

    any pointers, especially in very simple terms, would be appreciated

    phil
     
  5. wammers

    wammers STILL BREATHING. Donater

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    If you go to a good engineering suppliers they have boxes of various springs to choose from.
     
  6. Saint.V8

    Saint.V8 Dyed-in-the-wool 100% RR Junkie

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    Does the button pop back out again?? if so, spring is Good!!

    I would say your issue lies with a duff RF Unit as it sounds like it is firing the locks randomly - a site search on here will reveal a myriad of posts about it...best change it before it a) Drains your Battery and b) Burns out your lock motors!

    As for the button not unlocking your tailgate, That could be a duff lock motor, blown fuse, dodgy wiring or duff switch....

    Only way to check is to get the tail open, soundlike like you could be on a sticky wicket with trying to get to it!

    My first option would be to get hold of the RAVE manuals and find the electrical schematic for your year of vehicle.....

    Find the Tailgate Button wire that will lead to the BeCM no doubt, strip a bit of insulation off and ground it to simulate pressing of the button, if the lock still doesnt pop open, this indicates either a duff motor, of broken wire...

    Now obviously the Tailgate won't unlock if the BeCM thinks the vehicle is still locked, so when you open the vehicle using the Fob, does it correctly activate the central locking??
     
  7. speedyyellow

    speedyyellow New Member

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    My tailgate button sometimes doesn't work, but on the panel in the boot where the sat nav computer is mounted, next to the rear seat release I have another little button that does operate the tailgate.

    Was this a standard feature at all? or more likely something someone added to enable boot access when the standard tailgate switch was playing up?

    I've also had the odd bout of random locking/unlocking. Time to bite the bullet and get the new RF module you think?
     
    Last edited: May 9, 2013
  8. Saint.V8

    Saint.V8 Dyed-in-the-wool 100% RR Junkie

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    Bite that Bullet....

    Also that secondary switch is no doubt a mod, never heard of or seen an internal release, except for some Overfinch models with the 7 Seat Option!
     
  9. Datatek

    Datatek Well-Known Member

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    Tip the rear seats forward, move the boot liner forward, climb in and remove card from tailgate, open tailgate manually, then look for the cause.
     
  10. speedyyellow

    speedyyellow New Member

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    Hmm, can't actually find anywhere with them in stock. They also seem to go for £200 plus VAT :(
     
  11. Saint.V8

    Saint.V8 Dyed-in-the-wool 100% RR Junkie

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    Have you tried Island4x4 and yes, they aint cheap!
     
  12. Datatek

    Datatek Well-Known Member

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    It's unlikely to be the actual switch at fault, just the return spring. I might have a complete button, PM me if you are stuck.
     
  13. dogsbody

    dogsbody Very senior member

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    Not necessarily.

    If the locking/unlocking happens as you are driving then you are another victim of the P38 poltergeist. Some (including me) think that it's something in the lock mechanism, probably in the driver's door. I just can't recreate it when I want or find the b*****y thing. Mine has being doing this ever sine I've had it with no other ill effects.

    If, however, it's happening with the car parked up then I'd be looking at the RF unit but even then I'd open the one you've got to check that it hasn't already been changed. You'll find pictures of the internals on previous threads on RF problems.
     
  14. speedyyellow

    speedyyellow New Member

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    I'm not aware of the locking any unlocking by itself when parked, but it has done it occasionally while driving. My wife locked her door the time it really was going crazy and it stopped. I might check out which RF unit I have installed anyway.
     
  15. wammers

    wammers STILL BREATHING. Donater

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    Car locking and unlocking as you drive is maybe a badly adjusted or fitted or loose door internal lock button.
     
  16. sovereign

    sovereign Active Member

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    Spring on mine was rusted away too.
    I used a square of yellow foam cut from a sponge, and pushed it into the silver button, when you put it back together it pushes against the top of the switch bit.
    Springs back and forewards perfectly.
     
  17. Datatek

    Datatek Well-Known Member

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    Mine does it occasionally, opening and slaming shut the tailgate cures it.
     
  18. youngshag

    youngshag Member

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    I have developed a service kit for the tailgate button comprising a new stainless steel tension spring and a nitrile 'o' ring if anyone's interested. Listed on ebay
    eBay item number:
    192565443123
     
  19. Datatek

    Datatek Well-Known Member

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    I've developed a low cost replacement using a water and frost proof button that looks much like the original, no charge, anyone can buy the button from CPC, it's a simple job to fit.
     
  20. DanClarke

    DanClarke Well-Known Member

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    Until the week before last I had the P38 poltergeist that traveled with me on every journey. Bumps in the road, drivers window operation would result in all doors being locked and unlocked. It even did it while sitting unoccupied on my driveway while I was working in my workshop.
    My first stab at a fix was putting a jog-unit on 317Mhz in the car to prevent the P38 RF-Unit bug from striking. The Jog-unit was £7 compared to £200+ for a new RF unit. It was a partial success but the battery still dropped volts faster than I would like.
    Then I changed the drivers door-latch (which changes all the switches) problem gone! :D
    I have been monitoring my battery voltage since the change and it appears to me that the old-latch and switches must have been drawing more current at various times because now I don't get a weak/flat battery indication after 18 to 36 hours of being parked up and locked closed. YMMV and your Poltergeist may need the intervention of a priest or some other person with powerful Ju-Ju. :D
     
    Grrrrrr likes this.
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