1995 Oldsmobile 88 Bolt size on brake light assembly

Tiny
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  • 1995 OLDSMOBILE 88
1995 Oldsmobile 88 80000 miles

I need to know the bolt size on the brake light mounting. I tried an m6 as that seemed to match in the parts store but the fit is too loose. I had one miscellaneous bolt I found that fits perfectly. This is the bolt that screws into the brake assembly that mounts to the tail light bracket.
Saturday, April 3rd, 2010 AT 2:50 PM

6 Replies

Tiny
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Imnot sure exactly which bolt you are describing, but for most GM vehicles, you will need a 1/4 standard or 5.5mm, 7mm, 8mm 10mm for the interior screws, bolts
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Sunday, April 4th, 2010 AT 9:47 AM
Tiny
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Good answer I tried 6 mm too small even though the old bolt fit the 6mm template at the parts place, I get some 7mm and try those although I thought I tried those. Maybe not. 8 mm are definitely too big. I will have to look around since finding 7mm has been tough in a city of over 1 million people!
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Sunday, April 4th, 2010 AT 10:04 AM
Tiny
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Then it may be 1/4 or 5.5 mm
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Sunday, April 4th, 2010 AT 10:14 AM
Tiny
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5.5mm would definitely be too small
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Sunday, April 4th, 2010 AT 10:41 AM
Tiny
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Try 1/4. To this day they still mix up standard and metric on interior and trim parrts
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Sunday, April 4th, 2010 AT 12:32 PM
Tiny
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7mm or 9/64 are common on GM auto's, usually tail lights are fastened with 10mm metal speed nuts.
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Saturday, December 25th, 2010 AT 5:56 AM

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