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06-14-2009, 02:00 PM
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#1 | |
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Senior Member
 
1980 CJ7
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'80 CJ7 Brake Booster
Finally found/fixed all vacuum leaks except for the brake booster. When i suck on vacuum hose going to booster, no vacuum at all. Right now the vacuum port is capped off so engine will run properly and I have manual brakes, need to fix this. Anyway to check if the problem is the brake booster or the check valve on the brake booster? Anyway to repair the brake booster if it is the problem?
I've searched for a new brake booster and the only ones i find are for 82-86 cj's. Did they come stock in an '80 or was mine modified sometime in the past? Will one for an '82 work in mine? Thanks in advance, Tim
Last edited by TKFireman; 06-14-2009 at 02:26 PM.. |
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06-15-2009, 04:55 PM
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#2 |
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Senior Member
1980 CJ7
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to the top
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06-15-2009, 07:20 PM
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#3 |
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Web Wheeler
1980 CJ7
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Replace the booster. Don't bother with replacing the stock single diaghram, go to a dual diaphram booster. Either that or a hydrobooster.
http://www.offagain4x4.com/Navajo_brakes.html http://www.vancopbs.com/
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80' CJ7, 360 Howell Injected, 3" single exhaust, NP435 4spd, Dana 300 AA clocking ring, Currie twin stick, Tera-Low 4 -1 kit, Dana 44 front, cut 10" wider to 63", 4.10 gears, ARB, Yukon axles and Super H/D u-joints, Currie Dana 44 rear, cut wider to 60 1/2", 4.10 gears, ARB 35 spline, Currie 35 spline axle shafts, 2 1/2" x 11" Ford drum brakes, CJ-SOA conversion, Tom Woods F & R drive shafts, Warn 9500i winch, 6 point cage, Homemade F&R bumpers and tire carrier, 1" body, Pro Comp supension Kit, 12.5x35x15 BFG's, 15x10 OMF beadlocks, Body armor, OBA. |
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06-16-2009, 10:01 AM
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#4 |
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Cool as Ice...
Join Date: Dec 2006
Location: Sterling Heights, Michigan
Posts: 2,727
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The 1995 YJ dual-diaphragm setup is also a popular swap, which you will find threads on here in CJ Tech if you search. If you decide to go that route, I have one of the YJ firewall brackets and you can buy the booster and MC new at the parts store.
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