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

brake booster replacement

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Old Jan 9, 2005 | 10:18 AM
  #1  
phillips1118's Avatar
phillips1118
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Question brake booster replacement

Need to replace brake booster on '81 300 l6 4x4. Any tips?
 
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Old Jan 9, 2005 | 10:54 AM
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D. DeBoer
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Why do you need to replace the brake booster?
 
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Old Jan 9, 2005 | 02:04 PM
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If it's high mileage (what '81 isn't?), changing both the booster and master cylinder gives you a whole new start. Not hard at all, follow the directions that come with it.
 
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Old Jan 9, 2005 | 02:41 PM
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Here's a tip: I did mine because it was leaking, and the original booster was really stuck to the firewall! They used some sort of foam to seal it originally that practically glued it to the firewall after all these years. I tried prying from the firewall but it was no good. So I cut a piece of wood, about 1x1 square and about a foot long or so. After the brake pedal was disconnected from the rod, I put the piece of wood through the hole on the firewall from the inside (that's why the wood can only be about 1x1, so it fits through the hole) I stuck the other end against the brake pedal arm, then I stood on that brake pedal and it pushed it out. Worked like a charm!
 
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Old Jan 9, 2005 | 06:44 PM
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If you're just replacing the booster, you should be able to unbolt and move the mc forward enough to get the booster out without having to disconnect any brake lines. One of mine was pretty stuck like nickmobile's, the other came off pretty easy. Good luck....
 
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Old Jan 9, 2005 | 09:08 PM
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the peppermint
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mine in my 84 came off with no problem, do watch the washers on the brake pedal though they are vey small, after i replaced booster and master cylinder and bled the brakes they worked as good any new car i have driven

Eric
 
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