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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

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Old 03-26-2007, 03:52 PM
Dylansdad Dylansdad is offline
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Power brake booster rod adjustment

I have just replaced the power brake booster on my 84 F150, it said on the label of the new one that some adjustment may be needed on the pushrod....the hissing is gone from the old booster, but the brake pedal is mighty soft........how is the pushrod adjusted and when is enough???
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Old 03-26-2007, 07:21 PM
cubman61 cubman61 is offline
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I f you unbolt the master cylinder and look at the end of the push rod you will see a nut. hold the rod turn the nut in or out. if the pedel is soft will have to make it longer.the spec is from the flat surface of the booster insde the two studs that hold the master cyl. on to the end of the rod. the spec is .980 to.995. I adjusted mine just under a inch and when I put the master cyl on I made sure that it went flat against the booster with no pressure. If you have it adj. out to far the brakes will drag. the rod would be hitting the spool in the master cyl. and applying the brakes. Hope this helps.
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Old 03-26-2007, 09:43 PM
Mil1ion Mil1ion is offline
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That measurement is for F-350's and E-350's

It should be the same as the 70's

Left pic on this page

http://www.clubfte.com/users/mil1ion...trations2.html
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Old 03-26-2007, 09:43 PM
 
 
 
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1979, 1986, adjustment, adustment, boost, booster, brake, bronco, f150, f250, ford, pedal, power, pushrod, rod

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