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post #1 of (permalink) Old 12-19-2001, 02:21 PM Thread Starter
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Brake Prob!!!!

Is there any sure way to tell if a caliper is sticking and is even a tiny bit of seepage from a rear wheel cylinder enough to cause my truck to pull to the side when braking?

Did my front brakes about 4-5 months ago and had to replace the pass. rotor cause it was at the size limit(NOT worn bad). Driver side was ok to turn one more time which i did. Got new carbon metallic pads,and i used caliper grease on the slideways, and also checked the rear while i was at it. Now although i had recently replaced the wheel cylinders and shoes, i noticed that the pass. side cyl. had been seeping at some time, maybe still is though not bad, no fluid on inside of tire so not sure if thats enough to make it pull.
Got poly radius bushings, all new tie-rods and the alignment shop says ball-joints are good.

Any ideas why it might be pulling to the LEFT while braking?
oh yeah, i just rebled the pass. side and no air...
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post #2 of (permalink) Old 12-19-2001, 02:55 PM Thread Starter
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correction

Upon closer examination[img]/wwwthreads_images/icons/blush.gif[/img] there is something on the brake backing plate on the pass. side rear. So i guess my questions are;
1) will a little bit of brake fluid on a rear shoe cause it to pull?
2) maybe its an axle seal leaking and would that dump gear oil on the shoes?
3) still, how can you tell if a caliper is sticking?
4) why do i ask so many questions?[img]/wwwthreads_images/icons/crazy.gif[/img]

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post #3 of (permalink) Old 12-20-2001, 12:27 AM
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Re: correction

1) Not sure if that'd make it drag, but, check the fluid level in the master cylinder, and see if it's going down over a period of time.
<font color=blue>2) Your most likely culprit for the fluid on the backing plate.</font color=blue>
3) Don't know other than pulling it off and manually checking the piston movement.
4) Because Enquiring minds want to know.

OK, so I'm burning the midnight oil at work tonight.
Needed a break!

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post #4 of (permalink) Old 12-20-2001, 05:52 AM
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Re: Brake prob.

Gear oil has sulfur in it, so you'll smell it if that's what it is.

WD40 - Caliper binding occurrs between the caliper & the caliper bracket, not between the caliper & its piston. If the caliper binds, only one pad will wear down (the pad against the piston) and the rotor will warp, but the wheel will still be braked. It can be checked with the wheel off the ground, a lug wrench applying torque, & an assistant applying the brakes. If the piston binds, neither pad will wear and the wheel will NOT be braked.


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post #5 of (permalink) Old 12-20-2001, 09:05 AM
 
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Re: Brake Prob!!!!

Passenger (right) side is leaking. Pulling Left. Simple answer is that the passenger side ISN"T working so the driver (left) side is doing the stopping thus the right keeps going while the left stops, giving you the pulling feeling!

Havack!

The main difference in my truck and yours is your truck is a toy and my truck is a truck!
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post #6 of (permalink) Old 12-20-2001, 10:49 AM Thread Starter
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Re: Brake Prob!!!!

Kindof expected that but it pulls to the left so fast going down a hill it will practically go around the corner if i let go of the wheel, so i found it hard to believe (or didn`t wanna) that a rear brake would do this. Dont smell nasty so i guess its the wheel cyl. Good thing i still have the receipt-(lifetime wrty)...
Still, i suppose i will have to buy another set of shoes cause their now contaminated right?[img]/wwwthreads_images/icons/mad.gif[/img] then, if i recall correctly, the drums were on the limits so i will need new ones.[img]/wwwthreads_images/icons/mad.gif[/img][img]/wwwthreads_images/icons/mad.gif[/img][img]/wwwthreads_images/icons/mad.gif[/img]
Steve,a rear DISC set-up sounds great right about now![img]/wwwthreads_images/icons/wink.gif[/img][img]/wwwthreads_images/icons/smile.gif[/img][img]/wwwthreads_images/icons/cool.gif[/img]

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post #7 of (permalink) Old 12-20-2001, 02:10 PM
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Re: Brake Prob!!!!

have you double checked that there's no slack in your front wheel bearings, linkage, ball joints?


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post #8 of (permalink) Old 12-20-2001, 02:28 PM Thread Starter
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Re: Brake Prob!!!!

Yup.....shore did!!!

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post #9 of (permalink) Old 12-20-2001, 07:11 PM
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I feel your pain, brother...

I wasn't just guessing when I told you how to troubleshoot that fluid: been there; done that; got the T-shirt (with brake dust/fluid fingerprints all over it). If I had any spare time during the day, I'd have pulled a set of the caliper brackets & modified them already.


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