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Username Post: Brakes on 2001 chevy silverado 1500        (Topic#355875)
sprog777 
Poster
Posts: 70

Reg: 03-27-10
04-02-19 09:25 AM - Post#2763486    

When i first bought this truck i replaced all the calipers and bleed the system. I kept hearing this grinding noise and it sounds like it is coming from the left front. So i took it all apart and i could not see anything scared or scraped. Rebleed the system and the thing grinding noise when going real slow and using a lot of brakes. Took it apart again and saw nothing no scars or scrapes. Today i was test driving and after using a lot of brake the front brakes seem they are dragging till i speed up and slow down again not using the brakes. Could it be the master cylinder?I have done a ton of brakes (family shadetree) but never ran across this. Any ideas?


sprog777@yahoo.com

1979 K5 Blazer
2001 1500 z71 ext.cab
1999 Chevy Tahoe 4wd
1999 chevy z71 ext.cab
1966 Mustang coupe
1967 rs Camaro
1992 Mazda Miata
2009 ultra classic electra glide
1986 Gli


 
Shepherd 
Frequent Contributor
Posts: 1786

Loc: Lake George, NY
Reg: 11-11-15
04-02-19 11:24 AM - Post#2763489    
    In response to sprog777

get that wheel up in the air see if the brake drags, make sure the backing plate is not rubbing the rotor.



 
someotherguy 
Senior Moderator
Posts: 28979
someotherguy
Age: 49
Loc: Texas
Reg: 08-01-03
04-02-19 11:33 AM - Post#2763490    
    In response to Shepherd

While it's up in the air check for up/down side/side play in the wheel bearing. These sealed units do all eventually go bad.

Richard

06 Silverado ISS / 06 Silverado SS / 06 300C SRT8


 
JaRo 
Silver Supporting Member
Posts: 374
JaRo
Loc: East Texas
Reg: 02-02-06
04-02-19 01:08 PM - Post#2763496    
    In response to someotherguy

I would guess it is either a bad hub or a collapsed brake hose on that side. A bad hose can hold back pressure on a caliper.

Also check your slide pins to be sure they are not dry and stuck. Is it wearing the inside and outside pad evenly?

2003 S10 Blazer 4wd (wife's)
2001 S10 Crew Cab (wife's mail truck)
1996 K1500 (mine)
1979 GMC 3/4 ton 2wd 4spd with a "Gilley's" bumper sticker, my first brand new truck.
2006 K1500 Company Truck
2006 K2500 NV4500 4.10's


 
DenaliXL 
Contributor
Posts: 168

Reg: 02-25-07
04-24-19 06:58 PM - Post#2764964    
    In response to JaRo

A dragging brake, whether from hose, caliper or pins, shouldn’t make a “grinding” noise until the friction material is worn through. I vote for hub or backing plate.



 
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