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 81 CJ7 Brake Bleeding
#747693
08/27/06 03:07 PM
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Joined: Aug 2006
Posts: 75
OP
Getting the Wheeling Fever
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All the books I have tell me to use a Jeep tool to hold the pin on the combination valve in or out during bleeding. The pin on my valve is flush. How do you get the pin out to hold it with any tool? It may help to add that my valve is the type W not the type D, and I do not have power brakes. <img src="/forums/images/graemlins/confused.gif" alt="" />
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 Re: 81 CJ7 Brake Bleeding
[Re: ffountain]
#747694
08/27/06 03:24 PM
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Joined: Mar 2004
Posts: 2,398
Body Damage is Cool
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I would just bleed the brakes without messing with the pin and not worry about as long as the brake warning light doesn't stay on and they work good when I got done. but that's just me, I wouldn't consider consulting a book to bleed an old vehicle. Maybe I'm stupid that way. <img src="/forums/images/graemlins/cheers.gif" alt="" />
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Re: 81 CJ7 Brake Bleeding
[Re: JeePete]
#747695
08/27/06 03:28 PM
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Joined: Sep 2005
Posts: 1,087
Body Damage is Cool
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I gotta agree with JeePete. I've never had to mess with the proportioning valve on my '77 CJ7 when bleeding the brakes, even after I recently converted it from manual brakes to power brakes with a Vanco system.
1977 CJ-7, fiberglass body, AMC 360 w/ headers, DUI ignition, Edelbrock intake and Holley 4150 carb, TF999, Dana 300, 4.56 gears lockers, York air comp, 4" susp lift, 2" body lift, BFG 35" M-T tires, Megashifter, AGR pump & box, REP8000 winch.
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Re: 81 CJ7 Brake Bleeding
[Re: BobRowe]
#747696
08/29/06 06:58 AM
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Joined: Dec 2005
Posts: 29
Getting the Wheeling Fever
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Whats the deal with that Vanco brake system, and why the hell is so expensive!!!!!
86 CJ7, 258, MC2100 Carb, 4" Rough Country lift, 34" Swampers, Jeeperman bumper/tire carrier
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Re: 81 CJ7 Brake Bleeding
[Re: Thord]
#747697
08/29/06 03:02 PM
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Joined: Sep 2005
Posts: 1,087
Body Damage is Cool
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The Vanco brake system uses GM parts to convert manual brakes to power brakes. The booster is from a Chevy half-ton truck, and the master cylinder is from a 1979-1982 Corvette. They then fabricate the parts to put them together, such as the bracketry that will allow it to bolt up to a stock CJ-7 firewall, and the actuation rod that will reach through and fit to the Jeep pedal assembly.
Those individual parts are all new and a little costly. For example, I priced out the M/C locally, and it was about $90.
Anyway, the price doesn't seem so far out of line when one considers other custom stuff (bumpers, gearboxes, etc.) made for Jeeps. It's mainly a matter of supply and demand -- they're not going to sell a really high volume, so the profit per unit must be more.
1977 CJ-7, fiberglass body, AMC 360 w/ headers, DUI ignition, Edelbrock intake and Holley 4150 carb, TF999, Dana 300, 4.56 gears lockers, York air comp, 4" susp lift, 2" body lift, BFG 35" M-T tires, Megashifter, AGR pump & box, REP8000 winch.
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Re: 81 CJ7 Brake Bleeding
[Re: JeePete]
#747698
08/30/06 12:13 AM
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Joined: Jul 2006
Posts: 96
Getting the Wheeling Fever
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Gotta agree with JeePete too. I'd just bleed the brakes the old way and be done with it. My 85 was dry as a bone when I started on it. I poured brake fluid in the resevoir and then had my wife pump the brakes while I bled them. Thats been two weeks ago and I still have brakes. Of course, I've been watching the fluid level and for any leaks, just in case. But I like BigJim's sig line too. If I can't get the brakes to work, I'll just put on a louder horn.
Mike
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