Cascade Crew

cameron7710 · Posted: Tue Jan 03, 2012 9:15 pm Post subject: brake caliper bolts

just need to know what size socket it takes for the front calipers. i need to go buy the socket and dont want to get the wrong size.

aaron_sK · Posted: Tue Jan 03, 2012 9:19 pm Post subject:

3/8" hex.

Just went out and checked. Razz

chevymad · Posted: Tue Jan 03, 2012 9:54 pm Post subject:

Usually.. unless they've been replaced..

I hate this question. I've even ran into cars with a different size on each wheel. Or even torx on one and regular on the other.

aaron_sK · Posted: Tue Jan 03, 2012 10:09 pm Post subject:

I've seen the one-replaced thing too. Makes me wonder if one busted or wore out and it didn't occur to them that the other might be close behind. Laughing

Twilightoptics · Posted: Tue Jan 03, 2012 10:23 pm Post subject:

algershick · Member Joined: 05 Jan 2012 Posts: 69 Location: Kent, WA

Not that its necessarily stock for Camaro calipers, but 10MM is another common size for caliper bolts. I just replaced front calipers on my car this past weekend. Both LH and RH calipers are rebuilds from the same company-- 1 has an 8mm bleeder and the other has a 10mm. lol

Twilightoptics · Posted: Thu Jan 05, 2012 9:23 pm Post subject:

Be careful.

10mm is the metric = to 3/8" but in the Allen world, they both fit, but one fits tighter and is cause for less chance of stripping the hex out.

aaron_sK · Posted: Thu Jan 05, 2012 9:42 pm Post subject:

3/8" is smaller by about half a mil. Doesn't sound like much but the reduction in contact area between the tool and fastener is huge.

If he could fit the 10mm hex in there he has the right tool, though. Wouldn't fit otherwise.

Right tool for the job, as they say. Laughing

BTW, just wait till you get into late 90's GM motors with standard and metric fasteners on the same part. Or metric bolts with standard heads on them. Then you'll be scratching your noggin. Laughing

chevymad · Posted: Thu Jan 05, 2012 10:43 pm Post subject:

aaron_sK · Posted: Fri Jan 06, 2012 6:14 am Post subject:

No metric directly interchanges. 5/16" to 8mm is almost exact. 5/8" to 16mm and 1/2" to 13mm are close as well. 14mm is smaller than 9/16" by about a third of a mil. and they go downhill from there.

Also depends greatly on what tool you're using. I have a lot more faith in a nice six point Proto that's the wrong size vs. some sh***y Chinese 12 point with who-knows-what for manufacturing tolerances. Laughing

I've noticed the pipe fitting thing as well. I actually tweaked one once because I just assumed it was 5/8". Rolling Eyes

rjmcgee · The Hammer Joined: 08 Jan 2004 Posts: 2320

I used to interchange alot of the sizes until i went to snap on tools, then suddenly they dont fit anymore.