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Hatch Shock Alternatives
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-nick  



Joined: 16 Nov 2002
Posts: 2699
Location: Cambridge, MA

PostPosted: Fri Jan 05, 2007 5:20 am    Post subject: Hatch Shock Alternatives Reply with quote

My hatch shocks have been on the verge of complete death for a while. They hold the hatch up on a hot summer day, but fail completely in cold weather. I've been loath to replace them and watch my hatch glass delaminate from the extra pressure. Are there any alternatives - other than a stick?

Some kind of mechanical prop to replace the struts with that would just ratchet into place and release easily? Someone must have come up with something? I realize that the hatch is pretty d@mn heavy with no struts attached, so maybe just something to supplement the existing struts?
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1980 931S
15psi boost, MS-II, EDIS, 951 IC, custom intake, Ford 5.0L throttle body, Forge BOV, WB o2, G31 w/LSD, 964 wheels, 968 rear sway, Bilsteins, 200# Welt. springs. A laptop, and a partridge in a pear tree.
1991 964 C4 Cabriolet
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Smoothie  



Joined: 01 Jan 2003
Posts: 8032
Location: DE (the one near MD, PA, NJ)

PostPosted: Fri Jan 05, 2007 6:04 am    Post subject: Reply with quote

I have one dead hatch strut (the left side)(that I killed intentionally by drilling to let the gas out)(to keep its' Hulk-like strength from twisting the hatch frame and seperating it from the glass), so I have the dead strut and one o' these <click> "LIFT SUPPORT REPAIR BRACKET"'s from JCWhitney <click again> on the left and a still-good strut on the right side.

Also have been using one on each side in front for the hood.
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'82 924T, US version, dark green metallic, 5 speed Audi 016G gearbox
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968rz  



Joined: 21 Aug 2006
Posts: 537
Location: S. E. Wisconsin

PostPosted: Fri Jan 05, 2007 8:13 am    Post subject: Reply with quote

How about something like this

http://cgi.ebay.com/ebaymotors/Lisle-Adjustable-Hood-Prop-adjusts-18-1-2-to-46-3-4_W0QQitemZ190068328118QQihZ009QQcategoryZ43998QQcmdZViewItem
(not affiliated with this ebay sale, seller... you know the rest)

or this

http://store.summitracing.com/egnsearch.asp?N=400015+311042&autoview=sku
(same as above, not affiliated at all)
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79 924 coupe Petrol Blue 3spd auto (wife's DD)
93 968 coupe Amazon Green 4spd Tip (my DD)
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Ozzie  



Joined: 12 Mar 2005
Posts: 4448
Location: Townsville, Qld. Australia

PostPosted: Fri Jan 05, 2007 8:20 am    Post subject: Reply with quote

The first one is like a stick and gives me images of knocking it out while underneath and getting hit on the back of the cranium.
(daughters trunk is known for this as the springs are weak.)

The second looks ok
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Neil924  



Joined: 18 Mar 2003
Posts: 4225
Location: Canada

PostPosted: Fri Jan 05, 2007 8:34 am    Post subject: Reply with quote

I have 944 ones on but they have about 4 times the pressur {I have no clue} but they feel much stronger.

Also I think it's the 1997 Jeep TJ's that have the same size shockes.
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-nick  



Joined: 16 Nov 2002
Posts: 2699
Location: Cambridge, MA

PostPosted: Sat Jan 06, 2007 3:39 am    Post subject: Reply with quote

Hey Smoothie, those look great! Do you have to put a hand on it to "release" it when you lower the hatch? I'd like something that you just lift the hatch a little and the support drops down, or something... I'd like to use one on each side to keep the hatch straight.

The Summitt kit looks great, but I think I would have to remove the hydraulic shocks entirely, which would make lifting the hatch heavier than I'd like.

Neil - as far as I know, the 924 shocks have been superceded by the 944 shocks. New shocks seem to have a bad reputation of helping the glass to separate from the frame.

I don't understand paying $32 for a "stick" on ebay either
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1980 931S
15psi boost, MS-II, EDIS, 951 IC, custom intake, Ford 5.0L throttle body, Forge BOV, WB o2, G31 w/LSD, 964 wheels, 968 rear sway, Bilsteins, 200# Welt. springs. A laptop, and a partridge in a pear tree.
1991 964 C4 Cabriolet
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Smoothie  



Joined: 01 Jan 2003
Posts: 8032
Location: DE (the one near MD, PA, NJ)

PostPosted: Sat Jan 06, 2007 5:09 am    Post subject: Reply with quote

Those JCW do-da's are spring loaded, so they prop the hatch opened automatically, but on shutting you have to move them manually. -But there's a screw adjustment that you can use to add some drag and overcome the spring action - so you could have one side operate by spring action, then manually operate the other side on both open and close. In other words, on opening, one side clicks in automatically while you'd manually move the other side. Then on closing, move the non-sprung side manually, it then stays open while you manually move the spring activated one and lower the lid.
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Llamaguy  



Joined: 02 Jul 2003
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Location: Indiana

PostPosted: Mon Jan 08, 2007 11:56 am    Post subject: Reply with quote

I keep a piece of Bamboo in the back.
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Rasta Monsta  



Joined: 12 Jul 2006
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Location: PacNW

PostPosted: Mon Jan 08, 2007 12:25 pm    Post subject: Reply with quote

I use a lawn gnome.
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Hoboceratops  



Joined: 16 Aug 2006
Posts: 156
Location: Atlanta, GA

PostPosted: Tue Jan 09, 2007 4:23 am    Post subject: Reply with quote

Ozzie wrote:
The first one is like a stick and gives me images of knocking it out while underneath and getting hit on the back of the cranium.
(daughters trunk is known for this as the springs are weak.)

The second looks ok


Reminds me of my hood. I had just replaced the struts up front and was working on something--I think the rear cam gasket--so I was well and truly under the hood.

So I lean back and out to stretch and BANG, lower bracket for the left strut just breaks loose from the body and the hood goes crashing down and slams shut. That was a nice little surprise.
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esky365  



Joined: 15 Mar 2007
Posts: 52
Location: uk

PostPosted: Thu May 10, 2007 2:35 am    Post subject: Reply with quote

Hi
Actually I have been planning to replace mine as they are not holding up the hatch and was wondering "Do I have to buy a porsche part?"

Surely a vw/audi part if ever there was one?
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1979 2 litre
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Tigger937  



Joined: 11 Apr 2004
Posts: 919
Location: PCA Milwaukee Region

PostPosted: Thu May 10, 2007 8:52 am    Post subject: Reply with quote

Smoothie wrote:
Also have been using one on each side in front for the hood.


Smoothie, how were you able to maintain enough clearance between the fuel lines and the hood strut when you close the hood? The fuel lines run along the channel where the strut lays when the hood is closed.
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RC  



Joined: 25 Mar 2007
Posts: 2637
Location: Australia

PostPosted: Thu May 10, 2007 10:41 pm    Post subject: Reply with quote

You sure dont need genuine replacements.

Originals in good condition can be regassed at franchises such as strut regass, however it is little more to buy new aftermarket ones.
They usually come with new ball socket ends wich are unscrewed to fit the demist wire terminals from the old ones. Most suppliers can reccomend pressures or pressurise struts to customers requirements.

Found these quickly but there are heaps more out there.

http://cgi.ebay.com/ebaymotors/Porsche-924-944-968-HatchBack-Struts-Year-1976-1982_W0QQcmdZViewItemQQcategoryZ33647QQihZ004QQitemZ140114961445QQrdZ1QQsspagenameZWDVW

Roger
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81turbo  



Joined: 03 Nov 2002
Posts: 1065
Location: Oakland, CA

PostPosted: Fri May 11, 2007 1:59 am    Post subject: Reply with quote

I used to use a length if PVC pipe cut to length to function like what smoothie linked to at JC Whitney. I just popped off the strut on one side and slid it on tot eh strut.

The benefits of the pipe is that it engages itself when you fully open the hatch. No leaning over or holding the hatch with one hand to get it to engage. Then all you do it pop it out and let it close. It is pretty easy. I painted mine with satin black paint to match the interior.
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Tigger937  



Joined: 11 Apr 2004
Posts: 919
Location: PCA Milwaukee Region

PostPosted: Fri May 11, 2007 7:16 am    Post subject: Reply with quote

81turbo wrote:
I used to use a length if PVC pipe cut to length to function like what smoothie linked to at JC Whitney. I just popped off the strut on one side and slid it on tot eh strut.

The benefits of the pipe is that it engages itself when you fully open the hatch. No leaning over or holding the hatch with one hand to get it to engage. Then all you do it pop it out and let it close. It is pretty easy. I painted mine with satin black paint to match the interior.

I like it!
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