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Registered
Join Date: Feb 2006
Location: Farmington MN
Posts: 14
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'73 911 no brakes
Please help, I have a '73.5 911 that I have restored. I was pulling my car out of the garage yesterday and noticed that the brake peddle went to the floor. I pumped the the peddle but they didn't seem to improve. I drove the car very slowly in my culdesac and noticed that when I pushed the peddle down the red light flashed on the dash. The same light that flashes when pulling up the parking break. The car stopped but not well enough to drive on the road.
I would appreciate anyones help Thanks Eric 
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02-26-2006, 01:49 PM
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Registered
Join Date: Sep 2005
Location: Sacramento. CA.
Posts: 95
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Eric, sounds like you have low or no brake fluid and/or air in the brake system. I recently replaced the master cylinder in my 71 T. I had good brakes but the seals were leaking and I was getting fluid in the car around the pedal cluster. This is a common problem with older 911's, especially if they have been sitting for any length of time, according to the good folks on this board that responded to a post of mine. So I would check fluid, bleed the brakes and check the master cylinder for any leaks to start with. Good luck.
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1971 Albert Blue T Targa RG 439 ES 1056 |
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02-26-2006, 02:25 PM
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Agree with Neal. You must have lost brake fluid in at least one of the brake circuits (the red light indicates pressure drop in one of the circuits). Most probably a leaking master cylinder. Check brake fluid level - it should be low. Bleed the system with new fluid and check for visible leaks. If the MC continues to leak its probably time for a rebuild.
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Regards, Guenter 73.5 911T, mod |
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02-26-2006, 03:15 PM
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Registered
Join Date: Feb 2006
Location: Farmington MN
Posts: 14
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I checked the brake fluid level and it was a little low but not seem low enough to cause a problem. I will try to bleed the system tomorrow when I get off work.
Thank you I tried to upload a photo of my car, so here it goes again. 
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02-26-2006, 04:08 PM
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Air Medal or two
Join Date: Jul 2003
Location: cross roads
Posts: 14,117
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Its only 2 things well 1 ,,no line pressure,. Not mystical, ether air, a hole, or master cylinder......Start by filling up reservoir and pump it up bleed it , by now you know what the problem is.
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D troop 3/5 Air Cav,( Bastard CAV) and 162 Assult Helicopter Co- (Vultures) South of Saigon, U Minh Forest, Delta, and all parts in between |
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02-26-2006, 07:58 PM
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Registered
Join Date: Dec 1999
Location: TX USA
Posts: 9,804
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Neal,
Your description of the incident points to a sudden failure that won't be remedied by attempting to bleed the brakes! I suggest that you inspect for: 1. Leak in the pedal box area ... indicating a rear seal failure in the master cylinder. 2. Flex hose rupture. 3. Caliper seal failure.
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Warren Hall, Jr. 1973 911S Targa ... 'Annie' 1968 340S Barracuda ... 'Rolling Thunder' |
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02-26-2006, 08:46 PM
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Join Date: Jul 2000
Location: So. Calif.
Posts: 19,910
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"I checked the brake fluid level and it was a little low but not seem low enough to cause a problem."
Your statement indicates no catastrophic fluid loss. My best guess is a cup failed in the master cylinder. Sherwood |
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02-26-2006, 09:01 PM
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Lucky
