Replaced all the brake lines

Tiny
BIGGMIKE
  • MEMBER
  • 2000 CHEVROLET SILVERADO
I have the 1500 model. I replaced all the brake lines and do not know the order the lines go to the the brake pressure box that is under the pick up. Can you please send me a picture of the order it go in? Thank you

Need to know the order the brake line's go in.
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Monday, May 14th, 2012 AT 4:32 PM

23 Replies

Tiny
HMAC300
  • EXPERT
We have no pictures of an ABS unit. However, most of the lines will have different fitting sizes. If you are careful when you put the lines to the ABS unit they should go to each hole correctly if you used factory lines. If you have a mirror you might look for an F or R stamped in the ABS unit.
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Monday, May 14th, 2012 AT 4:46 PM
Tiny
KHLOW2008
  • EXPERT
Hope the diagram is helpful.
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Monday, May 14th, 2012 AT 4:46 PM
Tiny
BIGGMIKE
  • MEMBER
Thanks
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Monday, May 14th, 2012 AT 5:23 PM
Tiny
RJVRIES
  • MEMBER
  • 2000 CHEVROLET SILVERADO
V8 four wheel drive automatic 94,000 miles.

While replacing a rotted brake line from master cylinder to ABS module all of the front lines disintegrated above frame. I cannot tell which line ran to which port. I need to know brake line routing for the four brake lines from front of vehicle to ABS module. Fifth line to rear is no problem, (upper right, if looking from front of module) as it is already replaced. Thanks for any information.
Rick
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Saturday, October 27th, 2018 AT 4:03 PM (Merged)
Tiny
JACK42
  • MEMBER
I cannot find any diagrams of that for you in my software. Are two out of the four different in size? Maybe try looking at another truck like yours.
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Saturday, October 27th, 2018 AT 4:03 PM (Merged)
Tiny
MUDDRUM
  • MEMBER
Hi rjvries,

I have to replace my brake lines from the front of the ABS unit because they have rusted where they leak. I was told by a repair shop they wanted $95.00/hour to do this. I am a instrument repair guy and have bent miles of copper, ss, steel impulse lines. So I bought the tubing $30.00, tools $150.00, fittings $20.00 and I am ready to kink some tube! I will draw a diagram of what the routing is and post it. I am spreading this job over two weeks. Remember good work takes time.
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Saturday, October 27th, 2018 AT 4:03 PM (Merged)
Tiny
KAYAK11
  • MEMBER
I also had to replace the front brake lines because one failed and the others were ready to fail.
I made a sketch of the junction block on the drivers side near mid vehicle.

Looking from vehicle front to rear, here is the layout:
There are three connections along the top. From left to right, the connections are front left wheel, front right wheel, and the connector near left rear wheel that serves both rear wheels. The bottom two connections go to the master cylinder. The left connection goes to the rear master cylinder connection and the right connection goes to the front master cylinder connection.

Good luck, this is not a fun job.
Remember that the end flare connections to the vehicle must be double flares.
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Saturday, October 27th, 2018 AT 4:03 PM (Merged)
Tiny
STEVENC819
  • MEMBER
To kayak11, thank you very much for the posting. I had to do the same job and it helped in the end. For those of you doing this job. Do not use steel line, if possible use copper or have custom stainless steel lines done. Also, plan on raising the cab off the frame by 1 1/2 inches on the left. Also raise the bed three inches as well. This will make it easier to route the lines by the frame. The stainless steel lines were custom bent and little difficult to run but in the end it is well worth it. Have fun!
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Saturday, October 27th, 2018 AT 4:03 PM (Merged)
Tiny
CADIEMAN
  • MEMBER
Too much hassle just go to the dealer and buy the lines you need. They can give you a diagram and it shows you where it hooks up. If it was one line I would try and fix it but not the whole system. Maybe at a salvage yard. Never use copper tubing as it may have a reaction with the slightly corrosive nature of the brake fluid, but most important wont be able to handle the pressure in a braking system, especially one with ABS
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Saturday, October 27th, 2018 AT 4:03 PM (Merged)
Tiny
RJVRIES
  • MEMBER
  • 2000 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 94,000 MILES
I have a 2000 Silverado, while replacing a rotted brake line from master cylinder to ABS module all of the front lines desintergrated above frame. I cannot tell which line ran to which port. I need to know brake line routing for the 4 brake lines from front of vehicle to ABS module. Fifth line to rear is no problem, (upper right, if looking from front of module) as it is already replaced. Thanks for any info.
Rick
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Saturday, October 27th, 2018 AT 4:03 PM (Merged)
Tiny
MASTERTECHTIM
  • MEMBER
Hang tight im trying to find out. Give me a few minutes and ill be back.
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Saturday, October 27th, 2018 AT 4:03 PM (Merged)
Tiny
MASTERTECHTIM
  • MEMBER
Nothing I have shows a picture or tells what goes where. Try reposting this question and hopefulle one of the other guys knows something I dont. Sorry
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Saturday, October 27th, 2018 AT 4:04 PM (Merged)
Tiny
LIAM0241
  • MEMBER
  • 2002 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 56,000 MILES
Is it possible to use Brake lines that are 5/16" instead of 1/4"? Would this affect brake pressure?
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Saturday, October 27th, 2018 AT 4:04 PM (Merged)
Tiny
CEMENT HEAD
  • MEMBER
That will affect brake pressure you should replace this line with the same size that came off
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Saturday, October 27th, 2018 AT 4:04 PM (Merged)
Tiny
BLACKCHEVY
  • MEMBER
  • 1995 CHEVROLET SILVERADO
Brakes problem
1995 Chevy Silverado V8 Four Wheel Drive Automatic

I'm replacing rusted brake line from the rear to the front. Is there anyway to find out what lengths of line I need. I'm a big guy so once I get on the ground under the truck I want to have the line already. The line goes from the axle up to the bottom of the firewall at the front of the truck. Any advice will be greatly appreciated.
Thank you, P.
Oh, my truck has extended cab and 8 foot bed.
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Saturday, October 27th, 2018 AT 4:04 PM (Merged)
Tiny
MMPRINCE4000
  • EXPERT
You will have to get under there and measure it.
To at least get a close idea.

Straight line comes in 5-6' large sections and as small as 1'.

You will need a tubing bender and several unions to connect sections.

DO NOT USE COMPRESSION FITTINGS ON BRAKE LINES.

There is a web site inlinetube. Com that sells pre-bent complete sections in either steel or stainless.
Sets usually run $150-200 and this would be the easiest way to replace, since they are direct OEM replacements.
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Saturday, October 27th, 2018 AT 4:04 PM (Merged)
Tiny
SERVICE WRITER
  • EXPERT
Depends on where it runs to and the conition of anything near it. If the bleeders come loose or not to bleed may be a problem.

Might be a simple or might be a serious project with unforseen headaches.
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Saturday, October 27th, 2018 AT 4:04 PM (Merged)
Tiny
BRICKYDROGER
  • MEMBER
  • 1995 CHEVROLET SILVERADO
  • V8
  • 4WD
  • AUTOMATIC
  • 161,000 MILES
Does the gas tank have to be removed to get to the brake line and connections to the rear brakes? I have a line leaking and can only barely see it between the frame and the gas tank
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Saturday, October 27th, 2018 AT 4:04 PM (Merged)
Tiny
BLACKOP555
  • EXPERT
I find it easiest to take off the bed. Easier to route it and hook it up and untatch it other then taking down the rusted tank straps or messing around fishing with the lines.
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Saturday, October 27th, 2018 AT 4:04 PM (Merged)
Tiny
SCOTTDARR
  • MEMBER
  • 1999 CHEVROLET SILVERADO
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 140,000 MILES
My lines going from the abs unit up to the 2 front brakes are rusting away, I want to buy a coil of steel brake line and replace them, I cant tell if there 1/4" or 3/16"? Or some thing else, they are to rusted to get an accurate measurement,
thanks,
scott
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Saturday, October 27th, 2018 AT 4:04 PM (Merged)

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