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Soft brakes by 86 Vintage Fiero
Started on: 06-28-2015 01:16 PM
Replies: 1 (110 views)
Last post by: 84fiero123 on 06-28-2015 01:42 PM
86 Vintage Fiero
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Report this Post06-28-2015 01:16 PM Click Here to See the Profile for 86 Vintage FieroClick Here to Email 86 Vintage FieroSend a Private Message to 86 Vintage FieroEdit/Delete MessageReply w/QuoteDirect Link to This Post
On my 86 GT, I installed a upgrade booster and S/S reflex brake hoses on the brake system. Bleed the brakes several times but the brakes need to be pumped several times to grab.Had a friend help me and neither of us could get any more air out of the system. Could the master cylinder be bad or is it something else? Thought about replacing all the brake lines but when do you know when they need replaced, they are still the original lines?
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84fiero123
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Report this Post06-28-2015 01:42 PM Click Here to See the Profile for 84fiero123Click Here to Email 84fiero123Send a Private Message to 84fiero123Edit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by 86 Vintage Fiero:

On my 86 GT, I installed a upgrade booster and S/S reflex brake hoses on the brake system. Bleed the brakes several times but the brakes need to be pumped several times to grab.Had a friend help me and neither of us could get any more air out of the system. Could the master cylinder be bad or is it something else? Thought about replacing all the brake lines but when do you know when they need replaced, they are still the original lines?


Could be but before I replace the MC I would do a long gravity bleed of the entire system or even better pressure bleed it.

http://www.bing.com/videos/...A24A3F50136812D658DC

And just to make sure, because I have a friend I argued with for 20 min about how to bleed brakes, you are bleeding first the left rear, rr, rf, and last the lf? As well as pumping the pedal a few times and then holding it down while your helper opens the bleeder in the above order and after he closes the bleeder you release the pedal, not before.

Believe it or not this 35 year old man didn't know you had to hold the pedal while you were opening the bleeder and then close it before you let off the pedal. I had to actually look it up in the service manual to prove to him I was right.

Edit to add, if they are original lines they most likely need replacement anyway.

Steve

------------------
Technology is great when it works,
and one big pain in the ass when it doesn't



Detroit iron rules all the rest are just toys.

[This message has been edited by 84fiero123 (edited 06-28-2015).]

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