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Old 05-17-2012, 07:13 PM   #1 (permalink)
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Torque specs for brakes

Does anyone know the proper torque specs for the lug nuts, calipers, and caliper bracket for an 08 Impala?

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Old 05-17-2012, 09:44 PM   #2 (permalink)
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I dont follow the torque specs when I do my brakes on my 7th gen.
I just
1.make sure I put the grease on my guide pin bolts.
2.lube up the back of my pads and any contact points.
3.Clean my rotors good with brake parts cleaner.
4.Install.

I just tighten them down and I think I used a little of the grease on all of my bolts and contact points but I did rotors and everything.

This was on a 7th gen but I think it is the same for you,
if not,
then,
BUMP!

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Old 05-18-2012, 10:12 AM   #3 (permalink)
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Lugs=100ft.ibs.

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Old 05-18-2012, 11:17 AM   #4 (permalink)
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Caliper=26ft.lbs, caliper bracket=133ft.lbs.,brake hose 40 ft. lbs.

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Old 05-18-2012, 11:28 AM   #5 (permalink)
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Basically, caliper bracket: really tight, caliper bolts: tight, lugs: tight. Hopefully you aren't taking the hoses off for a brake job.

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4 wheel disc brakes!
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Old 05-18-2012, 11:57 AM   #6 (permalink)
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Quote:
Originally Posted by kingnutin View Post
Basically, caliper bracket: really tight, caliper bolts: tight, lugs: tight. Hopefully you aren't taking the hoses off for a brake job.
Good way to snap bolts !


Last edited by impcor; 05-18-2012 at 12:01 PM.. Reason: add
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Old 05-18-2012, 03:15 PM   #7 (permalink)
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If you can snap a caliper bracket bolt, enter the worlds strongest man competition. From stock they have red loc-tite, I can barely get them off with a 1/2 inch impact.

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1978 Caprice Classic Landau
350 2-bolt, stock 4bbl
Stock rebuilt TH350
Edelbrock performer cam + intake
Dual 2 1/2" Flowmaster exhuast (waiting to be installed)
Edelbrock IAS Classic shocks
95 9C1 3.08 posi
4 wheel disc brakes!
16x8 American Racing Baja's with 225/60/16 Pirelli P4's

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Old 05-18-2012, 04:38 PM   #8 (permalink)
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How about putting them on?I for one think torque specs are stated for a reason,& I like to be precise.I asume thats why torque specs were requested here?In my countless years of auto work I have broken a few bolts in my day,& my name is not the gubenator Arnold Schwarzenegger.

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Old 05-18-2012, 05:38 PM   #9 (permalink)
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I for one have never followed torque specs when doing my brakes and rotors on any of my cars in the past 15 years and I have never snapped a bolt or had any issues.
When I work on the engine, like rocker arms, head bolts, etc..etc.. I follow the torque specs to a T.
It is good to be thorough and precise but I just dont see then need to when doing a simple brake job.
Take em off, lube up, install, tighten down, set em and forget em.
Different strokes for different folks I guess.
Nothing wrong with that.

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Old 05-18-2012, 08:35 PM   #10 (permalink)
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I have to say I generally do not follow torque specs, unless we are talking spark plugs or something else that would easily break. But, since I want to do this right, and now have a proper torque wrench, I just thought I'd give it a try. My slotted rotors and ceramic pads came today via Amazon so I'll be putting those on tomorrow. And since I put the "leak stop" in like I should not have, I will be changing the oil again as well. Time to get rid of the warped rotors and warn pads. Thanks for all your recommendations. Hopefully I will not need to replace calipers, so far they seem good.

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Old 05-22-2012, 08:46 AM   #11 (permalink)
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What it comes down to, is torque specs are just guidelines 99% of the time. Unless you are working with bearing caps, or something else where clearances are critical, then all you need is to get it tight enough without breaking anything. If you have any experience working on cars, you have a pretty good feel for it, and you aren't going to break anything. In the last 3 years working on cars, I can't recall using torque specs on anything other than bearing caps, heads, and rockers. No problems here.

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1978 Caprice Classic Landau
350 2-bolt, stock 4bbl
Stock rebuilt TH350
Edelbrock performer cam + intake
Dual 2 1/2" Flowmaster exhuast (waiting to be installed)
Edelbrock IAS Classic shocks
95 9C1 3.08 posi
4 wheel disc brakes!
16x8 American Racing Baja's with 225/60/16 Pirelli P4's

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