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I have a 1999 Tahoe: Replaced master cylinder, rear shoes,

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I have a 1999 Tahoe...
I have a 1999 Tahoe: Replaced master cylinder, rear shoes, springs (full kit) turned drums, replaced drums, switched drums from side to side, re replaced wheel cylinder, put on new pads to rule out bad pads from the part store and replaced backing plates too as they were wore with grooves in them. Able to see marks where drums are rubbing or not returning so they get hot. Backed off parking brake, adjusted and re adjustedWhen I get home, lift the truck and the wheel spin freely. I have had the system bled, brakes adjusted three different times plus the times I have backed off the drums to make sure. Also verified all springs and shoes put on correctly.Issue: Left rear drum gets hot in short distances hot enough to borderline burn fingers, and the right side remains normal. Recently both drums got hot and that only happened once and never again. I have taken it to three shops and no one can figure it out.There is only one main brake line to the rear housed over the pumpkin and if that were bad the idea would be that both drums would be hot. There are the individual brake likes and perhaps they are corroded (from the inside out) and the right isn't getting fluid and/or the left is not returning. I'm stumped as the vehicle stops find and does not pull but clearly there is an issue.
Submitted: 4 months ago.Category: Chevy
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Answered in 6 minutes by:
12/6/2017
Chevy Mechanic: Gary, Chevy Technician replied 4 months ago
Gary
Gary, Chevy Technician
Category: Chevy
Satisfied Customers: 17,803
Experience: 15 years GM master tech
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Welcome! My name is ***** ***** I will do my best to assist you with this problem.Ask me about added features such as phone contact anytime if you wish !

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Chevy Mechanic: Gary, Chevy Technician replied 4 months ago

just the left rear drum is too hot ?

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Customer reply replied 4 months ago
99 percent of the time its only the left drum, and that is intermittent also. Only once was both the left and right drum hot. I am going ot change the brake line and check the left and right mental line when I get home. Over all 85 percent of the time the left gets hot, especially if you back up and adjust the brakes once or twice.
Chevy Mechanic: Gary, Chevy Technician replied 4 months ago

let me know how it acts after you do that

please dont forget to rate me here at Justanswer

you can always get me back for FREE for any follow up any time with this question even after you rate me here at Justanswer

if you have any questions please ask as i do not get credit for my work until you rate me here at Justanswer

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Customer reply replied 4 months ago
Besides that everything has been replaced and check a few times, parts replaced and work verified by three shops. One told me just to drive it lol
Chevy Mechanic: Gary, Chevy Technician replied 4 months ago

let me know how it is after

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Customer reply replied 4 months ago
Oh, and I did the wheel bearing too, and verified that they weren't bad, but when I did the backing plate I had to pull the axles so I replaced bearing and seals
Chevy Mechanic: Gary, Chevy Technician replied 4 months ago

ok

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Customer reply replied 4 months ago
am I being charged yet? I was hoping for an answer or options beyond what I have done or will do this evening
Chevy Mechanic: Mike S., Chevy Mechanic replied 4 months ago
Mike S.
Mike S., Chevy Mechanic
Category: Chevy
Satisfied Customers: 7,950
Experience: ASE Certified Master Technician
Verified

The springs return the shoes to rest.

Can you post a photo of how you have the parts, springs etc installed at the left rear?

Also,I wanted to ask was you sure now to mix up the right rear with the left rear adjuster, cause one side I believe is right hand thread and the other side left hand thread.

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Customer reply replied 4 months ago
the spring are correct per midas and another shop. The adjusters only fit one way on the right and left side. I’ll send a pic
Chevy Mechanic: Mike S., Chevy Mechanic replied 4 months ago

It all looks fine to me, the installed brakes that is. I do see the mark on the shoe but you would think the marks would go around the shoe not from in to out. That strikes me as odd but I cannot explain it. It almost looks like the adjustment on the parking brake was too tight and you had to pry the drum off, did you?

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Chevy Mechanic: Mike S., Chevy Mechanic replied 4 months ago

Are you sure you have the correct width of shoe?

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Chevy Mechanic: Mike S., Chevy Mechanic replied 4 months ago

What are the diameter of those drums?

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Chevy Mechanic: Mike S., Chevy Mechanic replied 4 months ago

I see them as 10" and shoe width as 2.25", is that what you have?

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Customer reply replied 4 months ago
They are the 11 inch drums and that is what the brakes are for a 5.7 4x4. The ten inch I had looked at are way to small.Yes even the new drums do the same thing in very few miles. I’m stumped
Customer reply replied 4 months ago
I never had to pry the drums off. The come rigut off. When I bled them yesterday the drums would stop and move freely as I had someond push the peddle.
Chevy Mechanic: Mike S., Chevy Mechanic replied 4 months ago

What is the width of the shoes?

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Customer reply replied 4 months ago
I think the six is 11 x 2. See I got the brake 3 pair two from the same place and one from Napa. I made them look them
Up each time.
Chevy Mechanic: Mike S., Chevy Mechanic replied 4 months ago

Measure the width of the shoe.

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Chevy Mechanic: Mike S., Chevy Mechanic replied 4 months ago

I don't know what you mean by "brake 3 pair "

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Chevy Mechanic: Mike S., Chevy Mechanic replied 4 months ago

First of all, you are not holding the left side of that tape measure correctly, second of all I see they are supposed to be 2.750 in

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Chevy Mechanic: Mike S., Chevy Mechanic replied 4 months ago

What is the napa part number for those shoes?

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Chevy Mechanic: Mike S., Chevy Mechanic replied 4 months ago
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Chevy Mechanic: Mike S., Chevy Mechanic replied 4 months ago

Are you saying you have different shoes on the left as what are on the right?

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Customer reply replied 4 months ago
I thought maybe a pair was
Bad so put on a new pair. Then I went with a higher brand from someplace else. Same thing. That’s three pair of brakes
Chevy Mechanic: Mike S., Chevy Mechanic replied 4 months ago

What is the part number of that shoe you took a photo of and was measuring? Plus re-measure that shoe, except this time align the left edge correctly, cause I think they still are only going to measure 2 5/8"not 2 3/4".

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Chevy Mechanic: Mike S., Chevy Mechanic replied 4 months ago

Plus you have to use the same brand name shoes on the left and right because the small amount of difference in the dimensions could cause a problem.

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Customer reply replied 4 months ago
Both shoes are napa and they are 2.5 width. I replaced in pairs
Chevy Mechanic: Mike S., Chevy Mechanic replied 4 months ago

What is the part number?

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Chevy Mechanic: Mike S., Chevy Mechanic replied 4 months ago

You are still holding the ruler wrong. Look on the left where the inches begin, you are off by about 1/8"

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Customer reply replied 4 months ago
It’s bent on the end
Chevy Mechanic: Mike S., Chevy Mechanic replied 4 months ago

The ruler doesn't start from right on the edge, look at where the 1st mark is, that is where you need to align it with the edge of the shoe.

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Chevy Mechanic: Mike S., Chevy Mechanic replied 4 months ago

Get the napa part number yet?

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Customer reply replied 4 months ago
I have to find the receipt Called napa and on my acct size is 11x 2 3/4 part no 11413R
Chevy Mechanic: Mike S., Chevy Mechanic replied 4 months ago

Ok, first thing. I cannot find a 11413R anywhere on their website. second, those shoes do not measure 2 3/4", they measure 2 5/8'

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Customer reply replied 4 months ago
Orilies verified size should be 11/2.75. I’ll measure again. The camera distorts a bit
Chevy Mechanic: Mike S., Chevy Mechanic replied 4 months ago

You don't have to measure again, I already adjusted the ruler, they measure 2 5/8" I need the actual link to the napa brake shoes 11413R, cause I cannot find them.

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Customer reply replied 4 months ago
I think we need to accept the brakes are the right called both parts stores this am I’m on the way to my truck and will send receipt witu pic of part number
Chevy Mechanic: Mike S., Chevy Mechanic replied 4 months ago

I cannot tell if you are measuring it correctly. I already confirmed the measurement was 2 5/8", You must still be measuring wrong.

I am done here. You have the wrong shoes. I will read once you post the part number, but I am done.

Did that answer your question? If so, kindly leave me a positive rating, so I get credit. After all, you have already made the deposit.
If you don't, the deposit you made will just sit there and I won't get my share of it.

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Customer reply replied 4 months ago
hey were all under the same pressure here. I’m done lol. Did you see the pics I just sent? Not the wrong shoes. Can you share this with others?
Customer reply replied 4 months ago
Called napa again said part number 1999 tahoe rear showes ss 473 verified by another Napa store. Not sure why they gave me the other number
Chevy Mechanic: Mike S., Chevy Mechanic replied 4 months ago

Ok, let me look.

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Chevy Mechanic: Mike S., Chevy Mechanic replied 4 months ago

Yeah, 2.75' but they do not measure 2.75'

Something odd about that.

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Chevy Mechanic: Mike S., Chevy Mechanic replied 4 months ago
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Customer reply replied 4 months ago
As best as I can tell yes.
Chevy Mechanic: Mike S., Chevy Mechanic replied 4 months ago

Sorry about saying I am done. I meant I believe I have found the cause and answered your question.

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Customer reply replied 4 months ago
No worries. I have said I’m done many times. I verified with dealership 11 by 2.75 which is what I have. Do you have any idea what’s wrong
Chevy Mechanic: Mike S., Chevy Mechanic replied 4 months ago

Those shoes that you have do not measure 2 3/4", they measure 2 5/8 "

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Customer reply replied 4 months ago
The shoes you see are from orlies the shoes on the truck are from Napa witu the part number I gave you. Still does not explain left side is the only one hot. The shoe itself is 2.75 exactly are you adding on the housing width?
Chevy Mechanic: Roy, import/domestic specialest replied 4 months ago
Roy
Roy, import/domestic specialest
Category: Chevy
Satisfied Customers: 7,288
Experience: ASE master tech for 40 years
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do you still need help???

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Customer reply replied 4 months ago
If you can read the issue and have an idea what’s wrong yes.
Chevy Mechanic: Roy, import/domestic specialest replied 4 months ago

I have read all the text that was posted.

I want to go back to basics.

Nowhere have I seen any mention of the emergency brake cable on the affected wheel. the one picture you posted way back looks like the primary shoe is not seated on the anchor. the cable may not be free internally and holding the shoes applied ever so slightly causing the heating up.

Roy

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Customer reply replied 4 months ago
Had three shops check e brake and loosen. Wheel rolls free when jacking it up over and over after driving
Chevy Mechanic: Roy, import/domestic specialest replied 4 months ago

I would either disconnect the cable or remove the center bar from the shoes and drive it to confirm

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Customer reply replied 4 months ago
Ok maybe we’ll just stop here. I was hoping for a suggested part or something. Three shops worked in it and here we are. Do I get charged for this?
Chevy Mechanic: Roy, import/domestic specialest replied 4 months ago

I just did suggest a part. I do not see or touch it. just going on other peoples words. your issue is basic brakes.

have a good day.

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Customer reply replied 4 months ago
Agreed. Do I pay for this or not?
Chevy Mechanic: Roy, import/domestic specialest replied 4 months ago

we experts require payment for our services just as you do when you go to work. we only get a small portion of what the site charges you when you accept our answers. we have no control over money.

Roy

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Customer reply replied 4 months ago
It said I only pay if satisfied with th answer
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