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Author
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Topic: deep brake pedal
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mikel3891
Gearhead Posts: 111
From: philippines
Registered: Sep 2005
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posted 01-23-2006 01:59 AM
 
hi. i have a power disc brake with new master cylinder. hope you can help me make the brake pedal a little bit higher. is the original brake pedal that deep? it almost touches the floor when i step on the brakes. i can live with this but i'd like to make it brake with little less effort. thanks.
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Scott H
Gearhead Posts: 1480
From: Chicago area
Registered: Mar 2005
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posted 01-23-2006 03:38 AM
Adjust the brake shoes until there is slight drag against the drums, then bleed the brakes and top off the fluid.
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mikel3891
Gearhead Posts: 111
From: philippines
Registered: Sep 2005
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posted 01-24-2006 10:12 PM
i have already adjusted the brake shoes but they are still deep. is there an adjustment on the brake pedal?
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mikel3891
Gearhead Posts: 111
From: philippines
Registered: Sep 2005
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posted 01-24-2006 10:38 PM
i have already adjusted the brake shoes but they are still the same. is there an adjustment on the brake pedal or push rod assembly?
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Scott H
Gearhead Posts: 1480
From: Chicago area
Registered: Mar 2005
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posted 01-25-2006 12:09 AM
No the original brake pedal shouldn't go to the floor.
We have another member in the Phillipines (Simon) and he's run into all sorts of non stock items and oddball setups. I think the ingenuity used in repairing cars there comes from the lack of available parts.I would bet someone has done some mixing/matching of parts and got something wrong. It is possible that you need a longer brake pedal rod that goes into the master cylinder. I've even heard of guys adding a spacer inside the bore, effectively lengthening the rod so it doesn't have to travel so far. You could try removeing the rod, inserting a 3/8" nut and then replacing the rod, then test and see if it had any effect.
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mikel3891
Gearhead Posts: 111
From: philippines
Registered: Sep 2005
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posted 01-25-2006 04:11 AM
i just remembered one detail i forgot to inform. i originally have a power drum brake on the front and i switched to an original front power disc brake from a mustang also. does this have an effect on the brake pedal?
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Scott H
Gearhead Posts: 1480
From: Chicago area
Registered: Mar 2005
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posted 01-25-2006 05:19 AM
When it comes to low pedal, either the shoes are traveling too far or the pedal is having to go too far before the shoes are actually moving.
Power brake cars use a different pedal than mnual brake cars, but there is no pedal difference between drum and disc.
The master cylinders are different, so as long as you used a power disc brake master cylinder and assuming the car originally had power brakes, those two items should be okay.
But since you claim the shoes are already adjusted and the pedal is still low to the ground I would assume something has been changed that isn't correct, and its a good chance the pushrod isn't engaging the master cylinder correctly.
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Fastback68
Gearhead Posts: 4511
From: Sucat, Paranaque, Philippines
Registered: Jul 99
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posted 01-26-2006 04:33 AM
quote:
We have another member in the Phillipines (Simon) and he's run into all sorts of non stock items and oddball setups. I think the ingenuity used in repairing cars there comes from the lack of available parts.
That's being too kind Scott  Almost all mechanical parts are still readily available in Manila. But often owners can't, or don't want to afford them. Or the mechanic gets a fake invoice from the parts store then fits an old Toyota part. Or the guy's "doing it up" for sale - those cars can be real shockers under the red paint! Or someone slipped the mechanic a Toyota part and a bit of money to take the genuine part off his client's car and give it to him. I've seen all these and worse.
Mike, I know you haven't had your car long. I'm just hoping it never spent time being "restored" in Angeles. If it did, don't be surprised if the gas tank isn't fashioned out of tin cans, or the engine mounts are compressed cardboard!
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