Interior Discussion about interior restoration, repairs, and modifications.

what size threads for back seats??

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Old Jul 8, 2008 | 01:41 PM
  #1  
garrick's Avatar
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what size threads for back seats??

i have an 89 firebird, lost the bolts that hold the back seats down what bolt size are they??
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Old Jul 8, 2008 | 01:52 PM
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From: KY
Car: 87IROC, 740iBMW, 328iBMW, 86GMC
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Re: what size threads for back seats??

Which back seat bolts are you talking about? The uppers or lowers?
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Old Jul 8, 2008 | 03:05 PM
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Re: what size threads for back seats??

lower
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Old Jul 8, 2008 | 03:13 PM
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From: KY
Car: 87IROC, 740iBMW, 328iBMW, 86GMC
Engine: 5.7, 4.4LV8, 2.8, 6.0
Transmission: Manuals & Auto's
Axle/Gears: 3.27, 3.42
Re: what size threads for back seats??

I had to replace one of those too. If I remember right, 1/4"X2" self tapping corase thread. Pick up replacements at your local hardware store. Shouldnt cost more than a buck or two.

Good luck
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Old Jul 8, 2008 | 03:35 PM
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Re: what size threads for back seats??

are you sure they are self tapping? bc i can see the threads that they go into it doesn't look like you need self tapping
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Old Jul 8, 2008 | 07:31 PM
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Re: what size threads for back seats??

There is one 13 mm bolt in the center of the lower seat cushion that holds it down
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