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Steel Brake Lines at rear axle Posted by SaabDude [Email] ![]() ![]() ![]() |
Hello all! I copied a post below from "Jim" from 9 June 2004 regarding a '69 Sonett V4... My question is are these specs the same for a '71 Sonett III? I seem to remember something about the size of the rear cylinders changing from 5/8 to 3/4 or something around 68/69 timeframe???
Posted by Jim (more from Jim) on Wed, 9 Jun 2004 11:28:34
In Reply to: Questions, Mic, Wed, 9 Jun 2004 10:45:39
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As Per: Saabnet bulletin "Mic, some sonett brake specs that might help":, Chris Floyd, Tue, 26 Mar 2002 14:46:15
OK, I have good news, and potentially a previously unknown source for Sonett hard brake lines:
I purchased a set of 6 custom built hard lines for my '69 Sonett from inlinetube (http://www.inlinetube.com). FYI the specs I used are as follows:
EVERY line on the Sonett has ONE end with 3/8" - 24 Male with bubble flare tip; and the OTHER END is 3/8" - 24 Female with Double flare
tip. 4 Male tips go into the Brake Master Cylinder, the other two go into the rear wheel cylinders. The 6 Female tips go on the flexible lines.
There are 6 hard lines total, all of which are 3/16" diameter tubing.
The lengths are:
Front Right - 30" ( I think, double check this one)
Front Left - 11"
Right Rear (middle line) - 103"
Left Rear (middle line) - 83"
Right Rear to cylinder - 17"
Left Rear to cylinder - 17"
To have these lines custom built at inlinetube should run ~$80. IT IS WELL WORTH THE MONEY!!! I spent over $100 on some line flaring tools alone, and I'll never use them. I called inline tube, gave them the above specs, and the lines arrived within a few days and looked factory perfect. They did not bend the lines to SAAB factory specs, but that's fine with me since I don't even see how you can install many of these lines "pre-bent" without unbending them...Bending the lines is not a problem for me, it's flaring them that results in hours of futile efforts and frustration...
It took me a few hours to remove all the old lines, place my flex lines in the right locations, and install all the new hard lines.
After a good brake bleeding session, my pedal is rock hard! FINALLY!!!
btw, Paragon Performance does sell the flex lines for our V4 SAABS individually for very reasonable prices (in case you happen to strip the threads on one like I did).
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