Question about 1992 Chevrolet G20

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What size allen bolts are on the front brake

What size allen heads are on the mounting bolts of the front brake caliper of 1992 chevy g20 van

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  • jchoroma Jul 13, 2009

    correct size on the 92 g20 is 3/8" allen. got one on a 3/8" drive at autozone for $5.

  • Anonymous Mar 16, 2014

    what size allen head bolt on 91 chevy c1500 front brake caliper



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  • 35 Answers

I think they are a t30 Not sure exactly, But ask the auto parts guy at the store he will be able to tell you exactly

Posted on Jul 12, 2009


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What size allen needed to remove break pads

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Then it has to be a Metric Allen Size

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How do i remove the front brake calibers on a 1991 chevy 4x4 k1500

The front brake calipers are held on by two long bolts with female 3/8" Allen heads on them The socket needed will be a 1/2" Drive 3/8" Allen. The bolt heads are at the rear of the caliper so leave the steering unlocked so you can turn the brake rotor in the direction that allows access. It will be esier to remove the caliper if you depress the caliper piston with a large screwdriver before trying to remove it after the bolts are removed. See bolt picture below.


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1 Answer

What is the process for replacing bothmy front brake calipers?

Hello rcvez
Without a model and year I can only give you a general description on how to change chevy calipers.
Jack up the left front and put a stand under it, then remove the wheel. Turn the wheel all the way to the right
On the back of the caliper you'll see 2 female hex bolts(allen head) the size should be 5/16 or 3/8, use a
male hex socket or an allen wrench to remove the bolts, if you use an allen wrench you may have to give
it a couple of wacks with a hammer to loosen them up. Now use a pry bar work the top and bottom of the
caliper and walk it off the roter, set the caliper aside so not to strech the hose. Next, put the new pads in
the new caliper and bolt it up to the bracket, remove the hose from the old caliper and bolt it to the new
caliper, be sure the bolt is clean and use the new copper washer that came with the caliper. Now repeat
this on the right side, bleed the brakes and thats it. Hope this is helpful.

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2 Answers


That is the brake caliper bolt. It secures the brake caliper to the caliper bracket.
Please remeber to rate this fix.

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