rusted brake line

rusted brake line

Postby astro96007 [OP] » November 15th 2010, 12:21pm

hi everyone, returning member from the old forum. i tried searching but still not clear on the size of the brake line that run along the gas tank- 96 ,4.3, v6., to the union on the rear end. my line is rusty, any ideas to get the fitting out of the rubber hose on the rear?
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astro96007
Fueling (Empty tank)
Fueling (Empty tank)
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Re: rusted brake line

Postby RECox286 » November 15th 2010, 2:05pm

3/16", double flair, steel pipe. I would break the pipe near the fitting and use a 3/8" 6 pt socket on the fitting, and any thing that will fit the brake hose as a back up wrench. Maybe vise grips. Try tightening just until it "breaks" then unwind. That should do it for you.

Bob
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Re: rusted brake line

Postby timkb » November 15th 2010, 11:25pm

Just did this job last weekend. I don't know about the '96's but my '97 with ABS had 1/4" line going to the rear. I measured it using a vernier caliper. Dont forget to use PB Blaster on the fitting. Attached pic shows tools I found helpful. Flare nut wrench set and tubing bender both from Harbor Freight, less than $10 each. Pic also shows a tubing double flare kit from McMaster-Carr about $59. If you can get the tubing in appropriate lengths with the right ends you will not need to flare your own. I believe the 1/2" fittings require a 9/16" wrench.

Brake_Tools.JPG



If you can't get the fitting off the rubber hose, it looks like it is available from Rock Auto for about $10 or $12. I didn't need to purchase hose looked at the AutoZone web site and thought they had what I needed, PAX-472 and PAX-460. PolyArmour brake line in 1/4" diameter and 72 and 46 inch lengths. When I got to the store thay only had 72" lengths. I also bought 1/4" inverted flare unions, two to a pack.

Unfortunately when I got home I found the ends on the tubing were the wrong size, 7/16" instead of 1/2" that was on the vehicle. I cut the tubing and reused the 1/2" fittings and left the short 7/16" fittings on the tubing in order to screw into the union. I would recommend puchasing new 1/2" fittings, I didn't have a choice at the time.
Attached are 2 pics showing the length of tubing at the tank end. This required more tweeking once in place
Brakeline_TankEnd.JPG
BrakeLine_FullRear.JPG


Don't forget to use BP Blaster on the bleeder valves. I used a 6 point deep 5/16 socket to break them loose first then a 5/6" box during bleeding.


Good Luck!
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Re: rusted brake line

Postby astro96007 [OP] » November 16th 2010, 12:38am

thanks alot for the replies, i am going to buy straight pieces from autozone 1/4 inch with the 1/2 fittings- thanks again
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Fueling (Empty tank)
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