Question about GMC K1500

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1993 GMC Serria K1500 XC: I need the brake line lengths for the rear brakes from the firewall back to the axle, it's 1/4 diameter along the frame rail with 2 peices, one long and one short. Also the length and diameter(think it's 3/16s) of the 2 lines that run along the axle.

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The line will have to be bent to fit as you install the new ones. The length is not printed in any manual and General Motors service manual requires us to use bulk line which comes in a 100 foot roll
The best way is to measure the linear length of the truck master cylinder to the rear wheels and muliply by 2.6. I always get enoungh line to complete the job. Use a flaring tool and have pleanty of fittings also
If you plan onto section each line it takes longer and chances are you can have a leak with more fittings use

Posted on Aug 01, 2010

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Posted on Jan 02, 2017

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