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about 2 weeks ago i heard a hissing from the brake booster on my 76 chero.i thought it was the vac hose grommet and replaced it but it got worse over the next couple of days.it was actually coming from a hole in the casting of the master cyl.it was not a crack or void in the casting but a hole much like the weephole in a waterpump.i cleaned it and put formagasket in it and it went away.is ths hole normal?
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mark<br />76 cherokee chief<br />chevy 502 t-400 np-205<br />dana 60 front corp 14 bolt rear<br />fiberglass fenders and quarters<br />(ABOVE THE LAW)(AND UNDER CONSTRUCTION)<br /> http://<br />[URL=http://www.fsjworl...91;/URL]<br /> -
your booster is shot. the diaphragm is leaking.Originally posted by Hankrod
Originally posted by Fasts79Chief
Originally posted by Fasts79Chief
It's like you're unraveling a big cable-knit sweater that someone keeps knitting...and knitting...and knitting...and knitting... -
is that some sort of weep hole? how long do you think i can go with filling the hole?mark<br />76 cherokee chief<br />chevy 502 t-400 np-205<br />dana 60 front corp 14 bolt rear<br />fiberglass fenders and quarters<br />(ABOVE THE LAW)(AND UNDER CONSTRUCTION)<br /> http://<br />[URL=http://www.fsjworl...91;/URL]<br />Comment
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probably. it's be for the MC,so fluid doesn't get into the booster. you're gonna be sucking it in. that booster is blown.Originally posted by Hankrod
Originally posted by Fasts79Chief
Originally posted by Fasts79Chief
It's like you're unraveling a big cable-knit sweater that someone keeps knitting...and knitting...and knitting...and knitting...Comment
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Ristow's the man - correctomundo1981 Jeep J10 Laredo, 401-V8, 625 Carter, Lunati 262/268, Edelbrock Performer, MSD Ign., Hydroboost, Hyd. Clutch, Flow Cooler WP, Be Cool Aluminum Radiator, Doug Thorley, NV4500 5-Spd, NP-231D, 3.73 F/R Trac-Locs, Rustys 4" Lift, Vintage Red Metallic, Black Interior and 33X10.50X15 BFG, FiTech400 to come - IN PROCESS
Bling Bling Cha-ChingComment
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not a good day, always hate it when that happens, last time it sucked the master cyl dry, had to replace bothOriginally posted by RistowDDs
67 KJ715 4bt AA OD 465 np205
78 J20 Chevy 305 nv4500 np205
Projects
Sons Build 1980 short bed J10, j20 axles, 4bt, nv4500, np205, shortened M715 bed and fenders
Freedom is not Free, it is paid for with BloodComment
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they want close to 100 bux here for a new one.i have several trucks at my friends place that i could scrounge one up for free if they would work.do you think one from a 90s chevy would work or not?mark<br />76 cherokee chief<br />chevy 502 t-400 np-205<br />dana 60 front corp 14 bolt rear<br />fiberglass fenders and quarters<br />(ABOVE THE LAW)(AND UNDER CONSTRUCTION)<br /> http://<br />[URL=http://www.fsjworl...91;/URL]<br />Comment
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slightly possible. worth a look.Originally posted by Hankrod
Originally posted by Fasts79Chief
Originally posted by Fasts79Chief
It's like you're unraveling a big cable-knit sweater that someone keeps knitting...and knitting...and knitting...and knitting...Comment
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RockAuto says it's unique to that era's FSJs.
New part from RockAuto is ca $96, plus a $25 core.
See if there is a booster rebuilder near you; if so, ask about cost.Tim Reese
Maine beekeeper's truck: '77 J10 LWB, 258/T15/D20/3.54 bone stock, low options (delete radio), PS, hubcaps.
Browless and proud: '82 J20 360/T18/NP208/3.73, Destination ATs, 7600 GVWR
Copper Polly: '75 CJ-6, 304/T15, PS, BFG KM2s, soft top
GTI without the badges: '95 VW Golf Sport 2000cc 2D
ECO Green: '15 FCA Jeep Cherokee KL TrailhawkComment
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Brake booster trouble
Same thing happened to mine, it started sucking in fluid......had to replace booster and master cylinder. Brake booster cost me dearly$$. Oh almost forgot, about rebuilding the booster, I asked at my local brake shop and was told to just buy a new one, I took that as it's probably just as costly to rebuild....don't know, I may be wrong.Last edited by J10blues; 07-25-2014, 05:35 PM.
Ben
77 J10
360 complete rebuild
TH400
Eddy Performer intake/Non EGR/CompCams 268 H
Eddy 1406
MSD 4AL/MSD 8519Dist/TFI coil
Holley fuel pump
MagnaFlow exhaust
02 Jeep Wrangler TJ
_________________________________________
"Fast is Fine, Accuracy is Final, You Need To Be Slow..In a Hurry!" Wyatt Earp.Comment
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so i replaced it 2 weekends ago.it seemed ok but it is still actually leaking(hissing)from the same hole in the master cyl.only thing now the hiss is constant when i push on the brake before it would go away untill the pedal came up again.
any ideas?mark<br />76 cherokee chief<br />chevy 502 t-400 np-205<br />dana 60 front corp 14 bolt rear<br />fiberglass fenders and quarters<br />(ABOVE THE LAW)(AND UNDER CONSTRUCTION)<br /> http://<br />[URL=http://www.fsjworl...91;/URL]<br />Comment
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replaced with new or used? sounds like it also went bad?Comment
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rebuilt from autozonemark<br />76 cherokee chief<br />chevy 502 t-400 np-205<br />dana 60 front corp 14 bolt rear<br />fiberglass fenders and quarters<br />(ABOVE THE LAW)(AND UNDER CONSTRUCTION)<br /> http://<br />[URL=http://www.fsjworl...91;/URL]<br />Comment
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Bring it back it is bad.1978 Wagoneer
401/turbo 400 trans. Quadra-Trac BW1339 (with Low) 4" Rusty's lift with 31" Summit Mud Dawgs
Mods:
Fuel Tank, Red Holley Fuel Pump, Razor Grill (profile pic out dated), Rebuilt steering boxComment
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great. it was actually a pain to replace.
thanks
markmark<br />76 cherokee chief<br />chevy 502 t-400 np-205<br />dana 60 front corp 14 bolt rear<br />fiberglass fenders and quarters<br />(ABOVE THE LAW)(AND UNDER CONSTRUCTION)<br /> http://<br />[URL=http://www.fsjworl...91;/URL]<br />Comment
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