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| | | Brake Lines #695765 September 14th 2015 9:03 am | Joined: Apr 2003 Posts: 7,662 Likes: 2 carpal tunnel | OP carpal tunnel Joined: Apr 2003 Posts: 7,662 Likes: 2 | my 96 Astro Van has developed a problem a lot of vehicles in this age group in the rust belt has. The steel brake line running from the master cylinder to the equalizing valve, under the drivers side of the van are leaking,due to rust issues. On this model van there are two different size brake lines. the front /primary lines have a 3/16 I.D. the rear line/secondary is smaller at 7/64 I.D. These lines very well could be metric.How ever I have no way if determining the tubings I.D.size in metric. I have been able to locate the needed 3/16 line. Locating the 7/64 line has not been so easy. NO BODY locally or even on line carry this size brake line.
With no brakes this van is down for the count.......
.......Wookee
Last edited by wookee; September 14th 2015 9:06 am.
Its a "Van Thing" A life style you have to LIVE to understand! Vintage Chevy Van Club
| | | Re: Brake Lines | Joined: Aug 2013 Posts: 233 Likes: 2 enthusiast | enthusiast Joined: Aug 2013 Posts: 233 Likes: 2 | Usually you just take your old end fittings to the parts store and they get you new lines with the proper fittings. I think lines are measured as outside diameter. You can check this on the 3/16 lines. Metric lines are definitely possible on a 1996. I replaced some on a 1993 grand am that were metric in rear. I put a little anti seize on end fitting threads so that it will be easier to get apart next time. Spraying underneath with used motor oil on winter driven vehicles increases brake line life significantly. 1992 Chevy G20, 110" wheelbase, Mark III conversion, L31/4L80e swap, Express wiring harness.
| | | Re: Brake Lines | Joined: Aug 2015 Posts: 74 journeyman | journeyman Joined: Aug 2015 Posts: 74 | the fitting ends are metric the rear line size is 1/4inch od i had to replace all underneath lines on my 2000 awd due to rust just take the old line to the parts store and they will match it up with correct ends and od but they only have set lengths you bend to fit hope this helps | | | Re: Brake Lines | Joined: Apr 2003 Posts: 7,662 Likes: 2 carpal tunnel | OP carpal tunnel Joined: Apr 2003 Posts: 7,662 Likes: 2 | For what ever reason they ID brake line in O.D. sizes.
I soaked the fittings down with some trusty Liquid Wrench and I was able to get every thing loos I will clean up and reuse the fittings. I invested in a good brake line flaring tool a few years back.When I had to do brake line work on another one of my rides.
I messed my self up by measuring this line incorrectly.
Thanks for the help.
time to do some fab work
Its a "Van Thing" A life style you have to LIVE to understand! Vintage Chevy Van Club
| | | Re: Brake Lines | Joined: Jun 2010 Posts: 18,286 Likes: 557 | Joined: Jun 2010 Posts: 18,286 Likes: 557 | Welcome to the site mooch ....
SUNSHINE VANS-VAN DIEGO ADRENALIN BY THE GALLON & CHASIN RACIN ONE FOR THE DIRT & ONE FOR THE STREETS '93 CHEVY G30 454 4X4 SPORTVAN EXT 146" WB '92 CHEVY G30 454 BEAUVILLE EXT 146" WB | | |
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