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Tonneau cover won't latch

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Old Sep 10, 2011 | 07:08 PM
  #1  
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From: Indiana
Car: 1992 T/A Convertible
Engine: LB9 305 TPI
Transmission: Auto
Axle/Gears: 2.73
Tonneau cover won't latch

Been reading all over this forum but can't find a problem quite like mine...my passenger side solenoid for the tonneau latch seems fine, in that I can push it to closed manually and it opens when I hit the release switch, but when I shut the tonneau cover it doesn't lock down. Looks/seems like it's hitting. Any ideas?
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Old Sep 15, 2011 | 05:00 PM
  #2  
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From: Killam, AB
Car: 1989 IrocZ Convertible
Engine: 305 TPI
Transmission: T5 - 5 Speed Standard
Axle/Gears: 3.08
Re: Tonneau cover won't latch

If I understand you correctly, it sounds like the tonneau latch on the driver's side is stuck in the closed position even though the cover's pin isn't in it. The cover's pin is hitting the closed latch. Kind'a like trying to close the trunk lid down on a closed trunk latch. Not pretty.
Have you tried returning the latch to the open position by either using the switch, or if that isn't working, the manual release cable. You will likely need to emulate the cover's pin, as if it was in the latch, with your finger or maybe a screwdriver and lifting slightly while trying to open it.
Note; the intention is not to use your finger or screwdriver to "pry" the latch open, only to assist it in moving to the open position.

Good luck. Please reply if it sounds like I'm not reading you right.
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Old Sep 17, 2011 | 03:07 PM
  #3  
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From: Malvern, Arkansas
Car: 90 IROC 2-92 Zs blk vert & prpl
Engine: stealth ram brodix track 1 ful port
Transmission: 700r4 4l80e
Axle/Gears: iroc 375 lokr 92 Z 277 pos vert 327
Re: Tonneau cover won't latch

Mine did that and it was sticking. I sprayed it with some brake cleaner and cleaned it up and then poured some mobil one 90wt rear end grease on it and worked it around. I had to do my hood latch as well. I guess they all had the same amount of dirt and grime and decided not to work. My solenoid poppers work but would not release the top and now they do with a little help.
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Old Nov 15, 2011 | 09:11 PM
  #4  
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From: Indiana
Car: 1992 T/A Convertible
Engine: LB9 305 TPI
Transmission: Auto
Axle/Gears: 2.73
Re: Tonneau cover won't latch

Ok, so I finally got around to digging at this problem. Turns out the latch receiver is still working but I think it's just wore out....when I latch it I can still pry it back up with a screwdriver. The driver side I can't. So, any good source for a replacement? How hard are these to swap?
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Old Nov 20, 2011 | 01:05 AM
  #5  
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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
Re: Tonneau cover won't latch

http://www.top-downsolutions.com/sho...rt.php?sort=5a

Yes I have some.

Lon
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Old Nov 20, 2011 | 08:56 PM
  #6  
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From: Indiana
Car: 1992 T/A Convertible
Engine: LB9 305 TPI
Transmission: Auto
Axle/Gears: 2.73
Re: Tonneau cover won't latch

Thanks Lon, I ordered the set. Any instructions you can provide on how to replace would be great.
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Old Nov 27, 2011 | 05:21 PM
  #7  
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From: Indiana
Car: 1992 T/A Convertible
Engine: LB9 305 TPI
Transmission: Auto
Axle/Gears: 2.73
Re: Tonneau cover won't latch

New problem if anyone can help (Lon?)...got the receiver replaced but it looks like the cable is damaged as well. I think someone had messed with this before...

Anyhow, where do I get a new cable?
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Old Nov 27, 2011 | 09:42 PM
  #8  
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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
Re: Tonneau cover won't latch

I'll check if I have some.

Lon
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Old Jan 4, 2012 | 10:33 PM
  #9  
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From: Indiana
Car: 1992 T/A Convertible
Engine: LB9 305 TPI
Transmission: Auto
Axle/Gears: 2.73
Re: Tonneau cover won't latch

Just to close this thread, it turned out the locking pin in the latch receiver failed. The actuator and cable turned out to be fine once I cleared an obstruction caused by a prior speaker install (for once not my mistake!!!). Tonneau latches perfectly again and I eliminated an obnoxious rattle in the process.

75 days 'til spring!
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Old Mar 27, 2022 | 02:52 PM
  #10  
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From: Poteau, OK, USA - Age: 44 - AKA 84TAVeRT
Car: 1984 Trans Am Convertible
Engine: 355
Transmission: WCT5
Axle/Gears: 3.73
Re: Tonneau cover won't latch

I know this is an old thread, but I am having the same issue and need a replacement latch for the passenger side.

does anyone know where i can get one?

Thanks,
Chris
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Old Mar 27, 2022 | 07:17 PM
  #11  
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From: Oyth
Car: 89RS vert
Engine: Erod
Transmission: 4L65e
Axle/Gears: BW, 3.27
Re: Tonneau cover won't latch

Here, FB or ebay are only places i can think of.
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Old Mar 28, 2022 | 07:37 AM
  #12  
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From: Doghouse ······································ Car: 1989 Formula 350 Vert Engine: 350 L98 Transmission: 700R4 Axle/Gears: B&W 3.27
Car: 87 Formula T-Top, 87 Formula HT
Engine: 5.1L TPI, 5.0L TPI
Transmission: 700R4, M5
Axle/Gears: Sag 3.73, B&W 3.45
Re: Tonneau cover won't latch

Might Try Hawks, or one of the 3rd gen junkyards... you never know what they have. Chances are you will have to do with used. Not sure but I would bet 86-91 would be the same, or similar enough to work, 92 might be different, but maybe not... Without looking into the parts manual..


Originally Posted by Chris 84TA
I know this is an old thread, but I am having the same issue and need a replacement latch for the passenger side.

does anyone know where i can get one?

Thanks,
Chris
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Old Mar 28, 2022 | 01:00 PM
  #13  
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From: Levittown Pa
Car: 89 Iroc Convertible
Engine: 305 TPI
Transmission: 700R4
Axle/Gears: 3.27 Posi 9 bolt PBR
Re: Tonneau cover won't latch

Originally Posted by Chris 84TA
I know this is an old thread, but I am having the same issue and need a replacement latch for the passenger side.

does anyone know where i can get one?

Thanks,
Chris
I’m pretty sure I have a few of those
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