Rotor brake line connection leaking

Tiny
JR
  • MEMBER
  • 2000 CHEVROLET TRUCK
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 100,000 MILES
2000 chevy silverado, why cant I get my brake line connection to the rotor to seal up. It keeps leaking fluid
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Friday, December 10th, 2010 AT 1:02 AM

15 Replies

Tiny
BUDDYCRAIGG
  • EXPERT
One. Are you talking about the caliper?
Two. What part have you changed or removed and put back on that you had the line disconnected?
Three. Are you talking about a hose?

Just need to clarify so I don't give you bad info.
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Friday, December 10th, 2010 AT 1:10 AM
Tiny
JR
  • MEMBER
Im sorry. Yes the brake line hose that connects to the rear caliper. I just replaced both rear calipers on this vehicle and the hose connection to caliper is leaking at each connection at the caliper.
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Friday, December 10th, 2010 AT 1:16 AM
Tiny
WRENCHTECH
  • EXPERT
It could have a burr or something on the sealing surface. Try this. Get s small hammer and tape down on the head of the banjo bolt, then tighten it a little and repeat the process a couple times. That will get it tighter without stripping the bolt.
I assume you did use new copper washers.
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Friday, December 10th, 2010 AT 1:19 AM
Tiny
JR
  • MEMBER
The washers supplied with the new caliper and kit are not copper washers. They are steel. Are these washers to go on each side of the connection? I will make a trip to the part store tomorrow to pick some of these up. I prepped the surface with sand paper to remove rust etc and the leak was still visible.
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Friday, December 10th, 2010 AT 1:39 AM
Tiny
WRENCHTECH
  • EXPERT
They are not likely steel. If they are not copper, they they are likely aluminum.
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Friday, December 10th, 2010 AT 1:41 AM
Tiny
JR
  • MEMBER
Thats a great idea. The part appears to be aluminum Thanks
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Friday, December 10th, 2010 AT 1:41 AM
Tiny
JR
  • MEMBER
I will check with a magnet to verify.
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Friday, December 10th, 2010 AT 1:43 AM
Tiny
WRENCHTECH
  • EXPERT
The whole purpose of those washers is to compress and conform to the shape they need to so they seal properly. Steel would be too hard of a metal to seal properly.
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Friday, December 10th, 2010 AT 1:44 AM
Tiny
JR
  • MEMBER
I understand and that makes perfect sense. Just wanted to make sure that these washers are to go on each side of the connection correct. I will have to look thru the service manual to see what the torque setting is on this bolt. Maybe I need to just put a little extra wrench to it to help seal up. Thanks
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Friday, December 10th, 2010 AT 1:47 AM
Tiny
WRENCHTECH
  • EXPERT
No, I told you how to get them tighter without stripping them. They need to be real tight but they will strip easily so tapping on the head of the bolt helps compress the washers so they can be tightened more.
Yes, there should be a sealing washer on both sides of the line.
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Friday, December 10th, 2010 AT 1:51 AM
Tiny
WRENCHTECH
  • EXPERT
Make sure there are no gouges or dents in the sealing surface.
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Friday, December 10th, 2010 AT 1:52 AM
Tiny
JR
  • MEMBER
Sounds good. Thanks for the input.
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Friday, December 10th, 2010 AT 2:09 AM
Tiny
BUDDYCRAIGG
  • EXPERT
Well this has been a busy thread tonight.
Something that I run into a lot is the new washers that come with the rebuilt calipers is not thick enough, and the bolt bottoms out before the washers compress and make a good seal.
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Friday, December 10th, 2010 AT 5:36 AM
Tiny
JR
  • MEMBER
Priceless tip. Thanks for your help.
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Sunday, December 12th, 2010 AT 1:07 AM
Tiny
WRENCHTECH
  • EXPERT
Glad it worked out for you.
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Sunday, December 12th, 2010 AT 1:22 AM

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