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1978 CJ Brake Job

#1 User is offline   nyjeeper 

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Posted 12 January 2008 - 10:32 AM

Both rear wheel cylinders replaced fluid still overspilling from front porttion of mc and idiot light is back on.Has anybody hear about tapping on portioning valve to resetting pressure to back wheel cylinders ? WHEN I BLED THE BRAKES THE FIRST TIME THEY WERE TIGHT NO IDIOT LIGHT STARTED THE ENGINE AND THE PEDAL SOFTENED UP LIGHT CAME BACK ON AFTER TEST DRIVE

#2 User is offline   Rollbar 

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Posted 12 January 2008 - 09:59 PM

Read the book on brake bleeding, U might have air in it still. On a Cj U have to hold open the P-Valve to bleed then correctly but i have never done it & have not had a problem. I just did a complete brake job on the '86 today w/wheel cyl etc & she stops on a dime. I used the safety stop brakes from Napa & it feels like I put a yJ booster in, now I have to be careful how I apply the brakes.
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#3 User is offline   nyjeeper 

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Posted 13 January 2008 - 09:22 AM

View PostRollbar, on Jan 12 2008, 09:59 PM, said:

Read the book on brake bleeding, U might have air in it still. On a Cj U have to hold open the P-Valve to bleed then correctly but i have never done it & have not had a problem. I just did a complete brake job on the '86 to day w/wheel cyl & she stops on a dime.

I never had to hold th P-valve to bleed the brakes of my 84 CJ. I have ordered the manule for this jeep off one of your forums where U passed on a link.
How do you keep it open??? Never did this :biggrin1:

#4 User is offline   Rollbar 

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Posted 13 January 2008 - 12:19 PM

View Postnyjeeper, on Jan 13 2008, 09:22 AM, said:

How do you keep it open???


?
U have power brakes from what I remember. Did U bleed the brake system w/the engine off, if so OK, if on, not OK. U have to bleed the system w/the engine off & pump up the brakes etc. U can also take it to Tire Kingdom & they will power bleed/flush the system for 70 bucks.

There is a tool to use but first R U sure all your fittings R tight from the cyl install, double check, U might have a leak if U R still loosing fluid.
*MY CJ IS YOUR yJ's DADDY*

*Who Needs A Stinking Manual When You Have A Fat Wallet For Tech Support!*

*What man is a man who does not make the world better*

Support the Central Florida Bible Camp for kids

'65 CJ5 Navy; '74 CJ5; '80 CJ7; '84 CJ8; '86 CJ7
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