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'A hard van is good to find!'
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bazzamon
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Joined: January 09, 2007
Posts: 38
Location: Guildford NSW
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PostPosted: Wed Dec 19, 2007 2:25 am    Post subject: 'A hard van is good to find!' Reply with quote

Is it possible to have a good hard brake pedal on a 84 1.9l auto? I have recently replaced nearly everything on this one & the pedal is still squishy. I didnt change the booster but everything else is changed including the soft & hard pipe lines. And definetely no air in the lines The brakes were totally shit before the work was done but at least they pull up straight now! Bazza
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bucko
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PostPosted: Wed Dec 19, 2007 4:27 am    Post subject: Reply with quote

My 84 has a firm pedal.

Might be that last, non replaced booster that is at fault.
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foodeater
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Joined: July 13, 2007
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Location: Newburgh, NY
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PostPosted: Wed Dec 19, 2007 5:35 am    Post subject: Reply with quote

You could replace the rubber lines with braided stainless lines. That could help with pedal feel.
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Alan Brase
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Location: Cedar Falls, Iowa
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PostPosted: Wed Dec 19, 2007 6:48 am    Post subject: Reply with quote

Do you mean a soft pedal or low pedal?
Soft pedal is caused by air in the lines. Plain and simple.
Low pedal is cause by the rear bakes not being adjusted up enough. Yeah, the auto adjusters should take it up, but VERY slowly. These have tiny teeth on them, about a quarter of the pitch of the old manual adjusters.
Yours probably need to be adjusted tighter.
The booster should have nothing to do with the pedal height. Furthermore, I've only seen 1 bad booster in my whole life.
Al
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Al Brase
Projects: 67 sunroof bug, 67 Porsche 912 Targa, 70 Westy
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Christopher Schimke
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PostPosted: Wed Dec 19, 2007 8:52 am    Post subject: Reply with quote

One other thing that can cause a soft/long pedal is severely worn rear drums. Dogpilot discovered this to be true. A new set of drum and the soft pedal was gone.

Drum brake systems inherently have a large amount of flex in them even when they are in as-new condition. The braking system is designed to compensate for this flex but as the drums wear, they become thinner eventually resulting in increased flex which equates to a softer pedal and increased pedal travel.
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bazzamon
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Joined: January 09, 2007
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Location: Guildford NSW
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PostPosted: Thu Dec 20, 2007 4:30 am    Post subject: Reply with quote

Thanks for the suggestions. The local brake guy is going to 'pressure bleed' the system on Saturday. So we'll see what the outcome will be....
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brooklynvanagon
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Joined: September 05, 2007
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PostPosted: Thu Dec 20, 2007 10:36 am    Post subject: Reply with quote

Assumption here>>>>

After "nearly everything" is replaced, the brakes are already bled.

Why don't you go ahead an list what's been done. More info always helps.
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captainpartytime
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Joined: December 04, 2005
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Location: Mission Viejo, CA
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PostPosted: Thu Dec 20, 2007 5:27 pm    Post subject: Reply with quote

After fighting with this same issue (replacing everything except brake booster and drums), I took Dogpilots advice and replaced my drums. My pedal has been firm on my '89 auto ever since.
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