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Username Post: Right rear drum auto adjusting too tight        (Topic#368766)
Senklip 
Newbie
Posts: 4

Reg: 05-25-22
06-21-22 10:50 PM - Post#2843210    

Right, so i did a whole brake rebuild on my 1995 Chevy G20, new shoes, hardware, and wheel cylinders but the drums are not new. I put everything back together and bled the brakes, all went well. Took it for a road test and felt great. But the next day i was backing out of my driveway and heading to work when i could feel a drag on the right rear wheel. When i got to work i stopped to see if i could see anything, and the hubcap and rim were hot! Something was definitely rubbing, after work i went home and took the wheel and drum off to inspect and it and it was easy to take off, i could see the auto adjuster had moved a bit.

So i re-adjusted and put it all back together only to have the exact same problem happen again.

I am at a loss here, everything seems to be in place and working, should I replace drums? is the parking brake the culprit? I have never experienced something like this before. Please help



 
bobb 
Super Senior Member
Posts: 6043

Loc: paradise
Reg: 09-05-03
06-22-22 07:57 AM - Post#2843221    
    In response to Senklip

bad bearing?

70 L camino, grampa engine, g-force 5 spd, road rage suspension. Pray first before all else fails.


 
Shepherd 
Valued Contributor
Posts: 2577

Loc: Lake George, NY
Reg: 11-11-15
06-22-22 11:47 AM - Post#2843228    
    In response to Senklip

Make sure the area of the backing plate where the shoe rides is lightly lubricated, this allows the shoes to contract. Look for a groove worn in that area also. Double check spring orientation.



 
Tony1963 
Frequent Contributor
Posts: 1406

Loc: Orlando Florida
Reg: 07-09-18
06-23-22 03:38 AM - Post#2843250    
    In response to Senklip

Since you are using old drums, keep in mind that they are likely worn and do not match the curve of the brake shoes. The diameter and curve is a bit larger now.

As the brake shoes wear they will wear in and fit the curve. Any drag that you feel when adjusting is only with minimal contact to the shoe. As it wears, it makes more contact and more drag.

I'm also assuming that the components are assembled correctly.

People fear change because it threatens what they know, or what they claim to know.


 
Mel Foye 
*VIP* Original Founding Member Group
Posts: 5423
Mel Foye
Reg: 09-29-00
06-23-22 01:21 PM - Post#2843270    
    In response to Senklip

So what is the status? Did you compare both sides as far as heat? Possible brake hose has collapsed?



It Was On Fire When I Laid Down.


 
Senklip 
Newbie
Posts: 4

Reg: 05-25-22
06-23-22 08:34 PM - Post#2843282    
    In response to bobb

Bad bearing was the culprit good call Bobb, but I went ahead and bought new drums anyways. Thank you for all your help everyone!



 
Mel Foye 
*VIP* Original Founding Member Group
Posts: 5423
Mel Foye
Reg: 09-29-00
06-23-22 09:21 PM - Post#2843283    
    In response to Senklip

bobb and others really add value to this site. Glad to see you got it fixed. Mel



It Was On Fire When I Laid Down.


 
bobb 
Super Senior Member
Posts: 6043

Loc: paradise
Reg: 09-05-03
06-26-22 10:07 AM - Post#2843402    
    In response to Senklip

on new drums. make sure you clean them real good with brake cleaner to get the preservative off. sanding with some 80 grit helps too. also make sure the hole in the drum registers snug on the hub. may as well paint the outer side too since they are new. need header paint for that. if painting, please use black, dark grey, or similar colors, remember you drive a chevy. lol

70 L camino, grampa engine, g-force 5 spd, road rage suspension. Pray first before all else fails.


 
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