Front Brake Rotor Removal - Chevy Colorado & GMC Canyon
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post #1 of 79 (permalink) Old 10-23-2008, 12:32 PM Thread Starter
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Front Brake Rotor Removal

I just replaced my front brake rotors on my 2006 Colorado Z71 2WD I5 to Powerslot rotors.

And i searched on here for a GOOD write up.. and didn't find one. so i figured i would try to help.

OH... DO NOT! USE A SLIDE HAMMER.. IT CAN DAMAGE THE BEARINGS!


Tools Required:

Lug Removal Tool
Impact Gun (Recommended)
Sockets.. Lots of metric sockets
Ratchets
Wrenches
Porta Power (hydraulic piston) --- THIS IS REALLY IMPORTANT... use to press hub off..
LOTS OF PATIENCE


Instructions:

1) Jack vehicle and support on jack stands.

2) Remove front tire.

3) Remove Front Brake caliper.. hang on frame using a bungee or other support
Important to not stress hose.

4) Remove brake pad support.

5) Remove 4 bolts from rear of hub.

6) Undo bolt for ABS sensor from frame, undo all clips holding wire.
Crawl under truck and unclip wire connector (trace wire from the ABS sensor to find it)

7) Make sure wire is unclipped from the frame and will not bind on removal of hub. (Prevents Damage of ABS sensor)

TRICKY PART: Turn the wheels so that you can use the hydraulic porta-power against where the lower control arm mounts to the front. (Turn the
wheel left). Position porta-power to be placed inside dimple of the middle of the hub. DO NOT DAMAGE ABS SENSOR...
Pump Porta-power until hub "Pops".. be extremely careful removing the hub not to damage the ABS wire at all.. It is easy to break and not notice (I did
this and had to resplice it)

9) Hub should be removed from vehicle by this point and you can remove the six bolts holding the old rotor on. Still be careful not to damage the sensor.

10) Change the rotor. (do not use impact gun to reattach.. may strip threads)

11) Installation is basically reverse of removal.

12) Install brake pads, press caliper back in (typical brake job)

13) Put tire back on.. do other side.. and you're done.


Porta Power is this.... http://www.southern-tool.com/store/porta_power_kit.html


any questions... message me.

<Nick>
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post #2 of 79 (permalink) Old 10-23-2008, 05:19 PM
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Re: Front Brake Rotor Removal

The "official how to" is in here
viewtopic.php?f=8&t=42147
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post #3 of 79 (permalink) Old 06-16-2009, 08:47 AM
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Re: Front Brake Rotor Removal

Another approach:

Instead of using a porta Power, we used the hydraulic steering force to pop the hub off. Remove the bolts from the bearing housing, loosen the axel nut and then wedge an extension/socket/whatever between the rotor and the shock mount (or whatever you can). Then turn the wheel with the engine running. The hob popped right off.

Chris
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post #4 of 79 (permalink) Old 06-17-2009, 08:20 PM
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Re: Front Brake Rotor Removal

anyone get any pics of the procedure?
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post #5 of 79 (permalink) Old 06-18-2009, 09:21 AM
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Re: Front Brake Rotor Removal

Quote:
Originally Posted by ubaldc
Another approach:

Instead of using a porta Power, we used the hydraulic steering force to pop the hub off. Remove the bolts from the bearing housing, loosen the axel nut and then wedge an extension/socket/whatever between the rotor and the shock mount (or whatever you can). Then turn the wheel with the engine running. The hob popped right off.

Chris
That is an interesting approach. I wonder if there is any harm done by removing the rotor this way (granted you have someone to catch it so it does not fall on the ground and damage the speed sensor)?!

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post #6 of 79 (permalink) Old 06-27-2009, 11:55 AM
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Re: Front Brake Rotor Removal

If you had to use a hydrualic ram to push the hub out how are you getting it back in?

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post #7 of 79 (permalink) Old 06-27-2009, 09:41 PM
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Re: Front Brake Rotor Removal

Quote:
Originally Posted by nolan62
If you had to use a hydrualic ram to push the hub out how are you getting it back in?
It comes out hard becuase of the buildup of rust/dirt. Once it's out and cleaned up you can put it back in by hand.

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post #8 of 79 (permalink) Old 06-27-2009, 10:04 PM
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Re: Front Brake Rotor Removal

I found it easier to take the four bolts holding the hub on almost completely off then putting a small 2x4 on it and hitting the bolts all the way around. It loosens the hub enough to take off by hand. And the hub will only go as far as the bolt so no damaged parts unless you miss the 2x4 and hit your sensor.

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post #9 of 79 (permalink) Old 06-27-2009, 10:07 PM
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Re: Front Brake Rotor Removal

Thank you!

I can do this now. I wish I had kept track of all the money I have saved on doing repairs myself thanks to the guys on this site. I has to be in the thousands!

Ed

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post #10 of 79 (permalink) Old 07-07-2009, 07:54 PM
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Re: Front Brake Rotor Removal

does any know how to remove and install the abs sensor from the hub bearing assembly? if not, how about finding one that comes already complete cause i cant find em' ..... thanks btw this website ROCKS!!!!!!!!!!!
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post #11 of 79 (permalink) Old 07-07-2009, 08:15 PM
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Re: Front Brake Rotor Removal

A good investment is to buy the service manual in addition to using the site for "tech support"
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post #12 of 79 (permalink) Old 07-07-2009, 11:47 PM
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Re: Front Brake Rotor Removal

Quote:
Originally Posted by Z71mOtO-x
does any know how to remove and install the abs sensor from the hub bearing assembly? if not, how about finding one that comes already complete cause i cant find em' ..... thanks btw this website ROCKS!!!!!!!!!!!
With all the recent discussion about the ABS sensor and hub setup, I did some research on replacing it. Not much too it really. But why remove the old one if you don't have a replacement?

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post #13 of 79 (permalink) Old 07-08-2009, 12:00 AM
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Re: Front Brake Rotor Removal

I am glad i found this, i need to do my brakes ASAP.

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post #14 of 79 (permalink) Old 07-12-2009, 02:07 PM
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Re: Front Brake Rotor Removal

i did this recently on my 05 Z71 and decided one thing....if i even have to do this again i'm going to burn the truck to the ground and whiz on the ashes...
post #15 of 79 (permalink) Old 07-12-2009, 04:01 PM
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Re: Front Brake Rotor Removal

I don't understand why you all feel the need to replace your rotors at every brake job. If they're not grooved or scored then just pad slap it. If you want a new rough surface with new pads then have a brake shop or your dealer resurface the rotors with the oncar brake lathe.

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post #16 of 79 (permalink) Old 07-12-2009, 11:25 PM
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Re: Front Brake Rotor Removal

Quote:
Originally Posted by turbizzy
I don't understand why you all feel the need to replace your rotors at every brake job. If they're not grooved or scored then just pad slap it. If you want a new rough surface with new pads then have a brake shop or your dealer resurface the rotors with the oncar brake lathe.

not being smarty pants,40 years at it and NEVER WAS GOOD IDEA TO TURN A ROTOR.its not going to work.put new ones on,IF NECESSARY.if rotors look ok, i agree just put pads on.

there was shadetree mechanic show on years ago on tv.they always replaced the rotors on brake job.

usually my rotors go before my pads do.
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post #17 of 79 (permalink) Old 07-13-2009, 12:06 AM
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Re: Front Brake Rotor Removal

If a rotor isn't scored or damaged in anyway, there is nothing wrong with taking off a couple of thousands of an inch and reusing it. Hell, Ive taken rotors that were in good shape and scuffed them up with 80 grit sandpaper and installed new pads.

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post #18 of 79 (permalink) Old 07-13-2009, 01:05 AM
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Re: Front Brake Rotor Removal

Quote:
Originally Posted by ssgjurista
If a rotor isn't scored or damaged in anyway, there is nothing wrong with taking off a couple of thousands of an inch and reusing it. Hell, Ive taken rotors that were in good shape and scuffed them up with 80 grit sandpaper and installed new pads.

been there done that.WASTE OF TIME AND WILL WASTE YOUR MONEY,it aint going to work.as for sandpaper,NO PROBLEM.I ALWAYS SANDPAPER A ROTOR THAT IS OK and put new pads on.rotors are just not heavy enough after turning for them to not warp again.china rotors are real dandy ones, turn then onec and see if you dont curse a month from now.

i like WAGNER products too.
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post #19 of 79 (permalink) Old 07-13-2009, 04:43 AM
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Re: Front Brake Rotor Removal

Not to sound like a smarty pants either but im failing to see your explanation of why its a waste of time/money. If you have a shitty old school bench lathe then yes i agree, but now a days we use an oncar brake lathe that you mount to the actual hub with an adapter and the machine auto compensates for hub runout and this is an approved factory method by GM and by Nissan.

In fact, in Nissan school we actually watched a demonstration on a brand new set of OE rotors being put onto an a brand new Altima and had over .100" runout brand new outta the box once placed on the hub. The rotors themselves were true but once placed on the vehicle the car's hub has runout which adds to brake pulsationg. And the car had like 7 miles on it. The approved method for repair is not new rotors, they have us machine the new rotors with an on car brake lathe which machines the rotor with the hub runout and compensates for it so realistically the freshly resurfaced rotors on the on car lathe are TRUER on the car than they were brand new outta the box. Basically you have to match the rotors to your vehicle instead of using a universal method of a bench lathe.

So again, i don't see your point on how its a waste. Please explain how you seem to know more than these billion dollar companies' engineers (no offense). You mention china rotots, well theres your problem. I (GM and Nissan dealer tech) only use and only recommend OEM replacement factory parts because yes, china rotors may warp as stated. But I will say this, some OEM rotors don't like to be resurfaced either, brands like Volvo, VW, Audi, (i've worked at all these dealers before and they strictly replace rotors) seems like most European companies, warp rotors really easy due to their really hard pad material so those i wouldn't suggest replacing. But for the most part, all GM rotors are ok to machine and it even recommends it so in the FACTORY SERVICE MANUAL using the procut oncar lathe.

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post #20 of 79 (permalink) Old 07-13-2009, 04:55 AM
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Re: Front Brake Rotor Removal

Everyone please see this video and you'll see what im talkin about when i say on car brake lathe and how its extremely accurate and far better than the old school traditional style bench lathes which should all be melted for scrap. This machine is the exact one we use at work, the PROCUT is the only approved lathe by all major auto manufacturers and in fact, as i stated earlier, are known to be used on brand new rotors to true them up to the vehicle's built in wheel bearing/hub runout so technically this is even better than a brand new set of rotors.

http://www.youtube.com/watch?v=qAOFErcUMoE

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