Brake pedal return spring - Team Camaro Tech
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post #1 of 11 (permalink) Old Aug 13th, 10, 08:38 PM Thread Starter
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Chris
 
Join Date: Oct 2006
Location: CT
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Brake pedal return spring

Hi all:

I am converting from manual drum brakes to power disc brakes.
I installed the brake booster today and connected it to the brake pedal.
Do I still need the original pedal return spring?
The booster pushes the pedal back all the way, so I do not think I need the spring, but I just wanted to check.

Thanks

68RS Project - taking much longer than expected
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post #2 of 11 (permalink) Old Aug 13th, 10, 08:52 PM
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Steiner
 
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Re: Brake pedal return spring

Nope, you don't need it. However, I kept mine and it still works fine.

'69 Camaro
Dart 400-AFR 195-224/224 HR-Powerjection III TB with F.A.S.T. Sportsman XFI
TKO 600-Moser 3.42-Detroit Truetrac
500hp/538lbft

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'69 Camaro Beater-SFT 327-M20-Moser 4.10-sold
'02 Z/28 vert-stock-sold and totaled
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post #3 of 11 (permalink) Old Aug 13th, 10, 08:54 PM Thread Starter
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Chris
 
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Re: Brake pedal return spring

Thank you for the quick reply.

I will tag the spring and toss it in my spare parts bin.

Thanks again.

68RS Project - taking much longer than expected
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post #4 of 11 (permalink) Old Nov 24th, 10, 12:40 PM
JHN
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John
 
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Re: Brake pedal return spring

hey guys - I have a problem with the brake pedal not coming back quite far enough after its depressed. The brake light plunger does not get pushed back far enough and brake lights stay on. Is there a quick adjustment to make under the dash, or is it a sign that the booster is going bad? There's plenty of brake fluid so I don't think it's that. Thanks!
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post #5 of 11 (permalink) Old Nov 24th, 10, 01:27 PM
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Steiner
 
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Re: Brake pedal return spring

The brake light switch in mounted in a little sleeve. Sometimes it wears out and lets the switch slide back. You can see if you can adjust it.

'69 Camaro
Dart 400-AFR 195-224/224 HR-Powerjection III TB with F.A.S.T. Sportsman XFI
TKO 600-Moser 3.42-Detroit Truetrac
500hp/538lbft

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'69 Camaro Beater-SFT 327-M20-Moser 4.10-sold
'02 Z/28 vert-stock-sold and totaled
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post #6 of 11 (permalink) Old Nov 24th, 10, 05:31 PM
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Todd
 
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Re: Brake pedal return spring

I fought a brake switch falling out with the stock configuration on the track. I went down to O'Reilly and got a new switch and it came with two nuts. The switch was junk but the nuts keep it perfectly in adjustment.
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post #7 of 11 (permalink) Old Nov 24th, 10, 06:19 PM
JHN
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John
 
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Re: Brake pedal return spring

thanks guys - I think the brake light switch seems to work fine. I think i might try to adjust it closer to the brake pedal arm as suggested. The brake pedal seems to stop about 3/4 of an inch from coming back out the whole way after being depressed. I have to pull it with my foot or hand to get it totally retracted. should that be? not sure that last 3/4 of an inch makes a difference. is there a way to adjust it?
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post #8 of 11 (permalink) Old Nov 24th, 10, 06:30 PM
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Steve
 
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Re: Brake pedal return spring

Quote:
Originally Posted by JHN View Post
thanks guys - I think the brake light switch seems to work fine. I think i might try to adjust it closer to the brake pedal arm as suggested. The brake pedal seems to stop about 3/4 of an inch from coming back out the whole way after being depressed. I have to pull it with my foot or hand to get it totally retracted. should that be? not sure that last 3/4 of an inch makes a difference. is there a way to adjust it?
If you just replaced the booster/master...there's an adjustment on the pushrod that attaches to the top of the pedal. It's adjusted by loosening the jam nut and turning the rod until there's about 1/4" of free play at the top of the pedal movement. If this just happened suddenly, you may have a leak in your brake system.

69 SS, 350/300 h.p., M-20, 12 bolt, matching numbers.


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post #9 of 11 (permalink) Old Nov 24th, 10, 06:33 PM
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Todd
 
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Re: Brake pedal return spring

With a stock set up, you push the switch in to far and pull on the brake pedal to adjust it. I found with my racing that my right foot was pulling back the pedal and popping it out. You need to push the brake pedal switch in farther to adjust it to where your brake lights come on with your foot RESTing on the pedal like at a stop light.
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post #10 of 11 (permalink) Old Dec 4th, 10, 12:36 PM
JHN
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John
 
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Re: Brake pedal return spring

thanks again guys - since it's started to get cold my brake pedal is not coming back up much at all - to the point where the brakes are partially engaged and I have to pull the pedal back manually. do you think that's the booster or the master cylinder? both are old. thx
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post #11 of 11 (permalink) Old Dec 4th, 10, 01:24 PM
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Re: Brake pedal return spring

Something is getting in a bind. Might be time to replace something. Try disconnecting the master cylinder from the booster and see what it does. You should be able to remove the 2 nuts and slowly pull the master cylinder forward about an inch. You can leave all the lines hooked up.

Mike
69 Camaro Prostreet - purple w/ghost flames , 502 w/ 871 blower


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