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Is the hatch supposed to come back down?

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Old 08-12-2002 | 12:09 PM
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91TealRS's Avatar
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Is the hatch supposed to come back down?

When I push the hatch release button in my IROC to open the hatch, I have to literally leap to the back of the car to get it open before the motor brings it back down. :lala: Is this normal? Or is my hatch just sitting on the motor too hard? It's nice in one way though...like if i accidently hit the button while driving it will close again. Other than that its kind of a pain.
Old 08-12-2002 | 12:26 PM
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MetalliCamaroRS's Avatar
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Car: 1989 IROC-Z
Engine: 383 stroker
Transmission: 700R4 3500 stall, TransGo shift kit
Axle/Gears: Moser 9", 4.11:1
Yeah, the same thing happens to me. Its because the shocks that hold the hatch up are no good. New ones are $35/each though so I can deal with it. Once I push the hatch up, it stays.
Old 08-12-2002 | 04:26 PM
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I think there's supposed to be a limit switch that does not allow the hatch to open whilst moving. Haven't tried it out though!

I couldn't believe the difference with new struts though. Nearly took my chin off.
Old 08-12-2002 | 06:07 PM
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Car: 85 IROC
Engine: L-69 305
Transmission: T-5 manual
you shoodnt be able to open it while the car is running
Old 08-12-2002 | 06:48 PM
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Same thing happens with my car. I just dont think the shocks are powerfull enough to push it up (like MetalliCamaro said). Its not a problem for me though I got keyless entry.
Old 08-13-2002 | 12:26 AM
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From: UCIrvine or SFV, CA
Car: 1999 Pontiac Trans Am
Engine: LS1 - 346 ci
Transmission: 4L60E
Just get new struts, and on a hott day, watch it RISE!

BTW, the hatch won't open w/ the engine on unless the parking brake is set.
Old 08-13-2002 | 02:51 AM
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MetalliCamaroRS's Avatar
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Car: 1989 IROC-Z
Engine: 383 stroker
Transmission: 700R4 3500 stall, TransGo shift kit
Axle/Gears: Moser 9", 4.11:1
Originally posted by irocbarry
you shoodnt be able to open it while the car is running
I can open mine while running. I've never tried it while in drive though..
Old 08-13-2002 | 04:08 AM
  #8  
IROCThe5.7L's Avatar
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From: Buffalo, NY
Car: 1988 IROC-Z
Engine: 427 SBC
Transmission: ProBuilt 700R4
Axle/Gears: Moser 12 Bolt / 3.73 TrueTrac
Originally posted by MetalliCamaroRS


I can open mine while running. I've never tried it while in drive though..

It won't work in drive
Old 08-13-2002 | 01:03 PM
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Car: 1989 IROC-Z
Engine: 383 stroker
Transmission: 700R4 3500 stall, TransGo shift kit
Axle/Gears: Moser 9", 4.11:1
Originally posted by IROCThe5.7L



It won't work in drive
I didn't think so, but I never really wanted to try it.
Old 08-13-2002 | 01:08 PM
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i tryed hitting mine when i pull into my parking spot going like 1 mph, it doesn't work
yea i had the same prob when i bought my car the back would not stay up
had to get two new shocks now the thing shoots up like a bat out of h*ll!!!
get new shocks
biker
Old 08-13-2002 | 01:39 PM
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From: Elwood, Indiana
Car: 1984 TA, 2001 Monte Carlo SS
Engine: 305 LG4, 3.8 200 HP
Transmission: 700R4
Just put new ones on the front and back on mine, before I had to prop them up with a stick. LOL 95$ for all 4 at Autozone. $15 for each front and $30 for each back
Old 08-13-2002 | 02:09 PM
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actually after numerous tests i have found that the auto release switch on the inside of the car will not function with the car in gear. if you would like to pop the hatch for some reason that has escaped me while traveling down the interstate simply push the car into neutral and hit the switch... it will also work in park while the car is running....

this i have tested.... i dunno if this applies for manual cars or not... mine is an automatic.


Old 08-13-2002 | 02:49 PM
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From: Chilliwack, BC
Car: 1992 Camaro RS
Engine: 5.7 V8 TPI
Transmission: T-5 5-Speed Manual
With manual cars the e-brake has to be pulled in order to get into the trunk while the car is running..... Unless of course the car is like mine, the limit switch is broken so i can be cruising dwn the road & accidentally pop my hatch I got new hatch shocks a while back, they were really expensive but worth it, you'd be surprised at how amazed other 3rd gen drivers are when the hatch flies open when that button is pressed :-D
Old 08-13-2002 | 04:05 PM
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From: Norfolk, VA. USA
Car: 86 Trans Am, 88 Formula
Engine: 95LT4, 305TPI
Transmission: T56, T5
How hard would it be to wire up the trunk release so that it will only work when the key is in the run position?
I don't like the fact that it can be popped open by just pressing the button.
Old 08-13-2002 | 04:53 PM
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From: Hampton, VA
Originally posted by CanadianCamaro
.....you'd be surprised at how amazed other 3rd gen drivers are when the hatch flies open when that button is pressed :-D
you'd be surprised on how many people forget about the little things like hatch shocks.
biker
Old 08-13-2002 | 08:43 PM
  #16  
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From: Hamilton, Ontario, Canada
Car: '90 Trans Am GTA
Engine: LB9
Transmission: 700R4
Axle/Gears: 2.73's
Mine does the same thing, I have to race to the back of the car to pull it up. One of my struts is blown but that's not my only problem. My hatch sits a little too far back and the catch hits the plastic trim around the release mechanism. That plastic is actually broken now and it gives a nice loud crunch whenever I open it up. Nice eh?

I'll hopefully get that adjusted properly when I go in for body work in a couple of weeks. New struts combined with my new fibreglass aerowing (a lot lighter than stock) and the hatch should be able to knock my teeth out if I'm not careful.
Old 08-13-2002 | 08:57 PM
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From: Your neighbor's hood, MD
Car: 1987 Camaro Z28 IROC-Z
Engine: 5.7L TPI
Transmission: T5
Axle/Gears: 3.42:1
Originally posted by MetalliCamaroRS


I didn't think so, but I never really wanted to try it.
Yep, on the auto cars it is wired to the NSS, it's two wires on it that complete a circuit alowing you to open the hatch when the car is in park. On the manual cars as stated above, it is wired to the parking brake. I figured this out after doing the 5 speed swap and wanted the switch to work.
Old 08-13-2002 | 09:53 PM
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Car: 1989 IROC-Z
Engine: 383 stroker
Transmission: 700R4 3500 stall, TransGo shift kit
Axle/Gears: Moser 9", 4.11:1
Originally posted by Zepher
How hard would it be to wire up the trunk release so that it will only work when the key is in the run position?
I don't like the fact that it can be popped open by just pressing the button.
Just wire it to inside the console or something. I plan on doing that someday
Old 08-13-2002 | 10:51 PM
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If you follow the "optional" wiring scheme for B&M shifters, you'll only be able to release the hatch with the key ON and the shifter in Park or Neutral.

Normally, you could release it whether or not the key was on, the shifter just had to be in Park or Neutral.

I like it going through the key better. Makes it a little tougher to break in.
Old 08-13-2002 | 10:59 PM
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shotgun's Avatar
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From: socal
Car: 89rs
Engine: L03
Transmission: 700R4
nm
Old 08-14-2002 | 08:47 AM
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From: Northern CA.
Car: '82 Z28
Engine: 350
Transmission: TH400 4,000 stall
Axle/Gears: Currie 9", 4.56 gears
I'm glad I don't have a motorized hatch do have a rear windshield wiper though lol
Old 08-14-2002 | 09:08 AM
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From: Hacienda Heights, CA
Car: 90 RS 'Vert, 88 IROC-Z, 88 Firebird
Engine: 305 ci tbi, 305 ci tpi, 350 ci tpi
Transmission: WC-T5, WC-T5, 700R4
Axle/Gears: 3.45, 3.27, 3.27
Originally posted by ES87iroc


Yep, on the auto cars it is wired to the NSS, it's two wires on it that complete a circuit alowing you to open the hatch when the car is in park. On the manual cars as stated above, it is wired to the parking brake. I figured this out after doing the 5 speed swap and wanted the switch to work.
What, you were too lazy to press the clutch to pop the hatch? LOL I wired my switch correctly when I did my T5 swap, but a local Member didn't bother. So now he has to press the clutch pedal (which evidently grounds the circuit) to pop the hatch. He is leaving it that way on purpose as an anti-theft feature.

Lon
Old 08-14-2002 | 03:17 PM
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From: North East GA
Car: 1989 Firebird
Engine: 5.7 LS1
Transmission: T56
The switch that senses the hatch has been closed may be bad or lose. My assembly stops moving when it hits my hatch, so it doesn't re grap it. Once you rase the hatch the assembly finishes moving up. Then at that point any pressure on the switch will make it go down. My struts lift my hatch w/o a problem, and it all works great, of course I have rebuilt the assembly a few times in the last 5 years.
Old 08-14-2002 | 03:19 PM
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From: North East GA
Car: 1989 Firebird
Engine: 5.7 LS1
Transmission: T56
For the release in a running car, My car is an auto and the release only works if my park brake is on. It doesn't matter that I am in park or not. The switch in a firebird is in a place you have to mean to hit it, so I may in the future bypass this feature.
Old 08-14-2002 | 05:28 PM
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From: Moved... GA still, more garage space!
Car: 87 Red/Blk Bird loaded 3.4L & 700R4
Transmission: Th700R4
Axle/Gears: 3.73
It was funny when we replaced my decklid, (before the new spoiler went on). We put on the new deck lid w/o the spoiler and the thing about knocked me in the head the first time I opened it with the key. It came up so quick. Thats one way to tell the shocks are still good. Joe joked about a watermelon tossing contest using my deck lid to launch them.
Old 08-14-2002 | 05:32 PM
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From: Hacienda Heights, CA
Car: 90 RS 'Vert, 88 IROC-Z, 88 Firebird
Engine: 305 ci tbi, 305 ci tpi, 350 ci tpi
Transmission: WC-T5, WC-T5, 700R4
Axle/Gears: 3.45, 3.27, 3.27
I have the pull-down unit out of my 88 at the moment. I use that car to test the units as I rebuild them. I have about 20 lbs. of roofing tiles on the hatch decklid to hold it down.

Last edited by lonsal; 08-17-2002 at 09:57 AM.
Old 08-14-2002 | 06:59 PM
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igotslicksNchix's Avatar
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lol i bet if i took that 70 lbs of dead weight off the hatch it would open(aero spoiler) now if i could get that other 120 pounds of extra weight out of my car (girl) i'd be fine. hehehehe
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