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  1. #1
    Junior Member
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    Cadillac XLR

    2009 XL Platinum

    Default Trunk sinks closed after opening

    So, when I open my trunk, it slowly closes by itself. I checked the linkage and other obvious things. Thought you all might be able to point me in the right direction.
    I know it's not the battery because I just installed a new 640 CCA (which, by the way cured my top not going down problem)
    I have not experienced the trunk problem while the car is running or in Aux, but I haven't tried that.
    Maybe a hydraulic fluid bleeding issue? My pump fluid is at the full line.
    Please help. I'm tired of getting my head hit (softly) with the trunk lid.

  2. #2
    Pit Crew Fireduck69's Avatar
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    Cadillac XLR

    2007 Black XLR-V

    Default

    Probably need the truck support struts replaced.

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  4. #3
    Pit Crew
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    Cadillac XLR

    2008 xlr White

    Default

    yep for sure you need the two trunk supports. I get them from rock auto. They area little hard to install as they need a slight compression. Former member here made a tool in about 5 minutes and changed my first set in less than 10 minutes total. It takes me about 20 .Pm me and I will give you the part numbers if you like. Failure of the support struts causes premature pump failure. SO if anyone's do not stay up by them selves look at getting them replaced to save yourself some money for a while on a pump overhaul .
    Last edited by long Tall Sally; 10-24-2019 at 10:14 PM.

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  6. #4
    Junior Member
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    Jan 2015
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    Cadillac XLR

    2005 XLR

    Default

    It's most likely the gas struts but double check that the manual bypass valve on the hydraulic pump is fully closed.

    Sent from my XT1254 using Tapatalk

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  8. #5
    Pit Crew
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    Cadillac XLR

    2008 xlr White

    Default

    that's a good thought Steve.

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  10. #6
    Junior Member
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    Cadillac XLR

    2004 black XLR

    Default

    Quote Originally Posted by long Tall Sally View Post
    yep for sure you need the two trunk supports. I get them from rock auto. They area little hard to install as they need a slight compression. Former member here made a tool in about 5 minutes and changed my first set in less than 10 minutes total. It takes me about 20 .Pm me and I will give you the part numbers if you like. Failure of the support struts causes premature pump failure. SO if anyone's do not stay up by them selves look at getting them replaced to save yourself some money for a while on a pump overhaul .
    Hi L-T Sally
    I'm a new member with a 2004 and couldn't find them on Rock Auto Please post the part # you used
    Thanks in advance
    Rich

  11. #7
    Pit Crew
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    Cadillac XLR

    2008 xlr White

    Default

    sachs brand sg330112 sold at autozone 22$ each
    strongarm b6241 should be at rock auto
    tuff support 613790 sold amazon 40$ a pair

    sachs makes a lot of oem products

  12. #8
    Pit Crew pure zen's Avatar
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    Cadillac XLR

    2005 Crimson Pearl XLR

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    Might also try > Lift Supports, Gas Springs & Gas Struts | Lift Supports Depot

    lift supports depot  2345 Camino Vida Roble Carlsbad, CA 92011
    866-969-5438


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  14. #9
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    Cadillac XLR

    2008 xlr White

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    there prices for the same items are about 10-20% higher after shipping .

  15. #10
    Pit Crew pure zen's Avatar
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    Cadillac XLR

    2005 Crimson Pearl XLR

    Default

    Currently at > Lift Supports, Gas Springs & Gas Struts | Lift Supports Depot ONLINE ORDERS ONLY on orders over $39.00

    Free Shipping Event Terms and Conditions

    •This promotion runs as advertised in the Banner on the top of our website, if banner is not showing then no promotions are available.
    Only applicable to orders placed on Lift Supports, Gas Springs & Gas Struts | Lift Supports Depot.
    •Orders shipped via Free Shipping promotion will be shipped at the discretion of the shipper. Methods May include Fedex or USPS.


    Hope that helps......

  16. #11
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    Cadillac XLR

    2004 black XLR

    Default

    Thanks very much to all for the help!!!!! This is a really tremendous forum for my all time favorite vehicle.

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  18. #12
    Junior Member
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    Cadillac XLR

    2009 XL Platinum

    Default

    I got the ones from Amazon. They arrive tomorrow. Looks like a hard job, but I don't want to pay the dealer $60 each plus labor.
    I hope I have good luck.
    Ron

  19. #13
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    Cadillac XLR

    2004 Base, Black/Black

    Default

    RonXLR, how did it go? My new ones should be here tomorrow. From the looks of it, I'll need to prop the trunk open, gain access to the bottom attach point, pop the retaining clips, r&r the gas cylinder and reinstall retaining clips and trunk trim. What else goes wrong? Seems there's always something...

    John B.

  20. #14
    Pit Crew
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    Cadillac XLR

    2008 xlr White

    Default

    the good thing is the retaining clips do not have to be reused. the right side is the easiest to get to. just pry the clip back and slip the strut off. snapping the new one on is the problem or can be. They are just a touch too long so the trunk has to be at its peak. it gets really heavy when you take them off. I reomment a good solid 2x4 to loh it up as a prop rod can slip and its going to hurt . They take right at 250 pounds to compress. I have a tool sent out for a member to use and he is going to just send it tothe next perso nthat wants to use it. its just a threaded rod with some brackets welded on and a nut so you can compress the strut enought to slip on. the clip on the lower left is the hardest to remove and needs a thin long bladed screwdriver or similiar to remove it. dont worry if the cllips fly off as the new struts have them on them.

  21. #15
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    Cadillac XLR

    2004 Base, Black/Black

    Default

    I'm thinking of asking if I can be the next one to receive that tool. I can't compress 250 lbs and wrestle that into position by hand! Let me know, please.

    John B.

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