While out for a what turned out to be a very short pleasure cruise this evening, the brake pedal on my '70 LT1 (no power brakes) got spongy, and eventually went almost to the floor. The system was bled last month, by a mechanic I just started working with and trust. He replaced the fluid with DOT 4 brake fluid and said everyting looked fine. I have driven the car about 30 miles since bleeding.
The master cyl has about 2/3 fluid. The front diaphram is extended. The rear diaphram is partially extended at an "uneven" angle.
I looked behind both front wheels for leaks at the calipers, hoses, and on the tires. I also checked the rear although they are harder to see. I don't see any leaks.
The car had a body on resto in 1989, in Californina (now in Connecticut). I have an 8/23/89 receipt from R&J Corvette Parts, Anaheim, indicating purchase of mstr cyl (part #40090), brake calipers (#40082, 83,84,85) and core. I assume these are stainless calipers...
The stamp on the master cyl and cover are correct. The car has scored two Long Island Metro chapter top flights.
Any ideas what could be wrong?
The master cyl has about 2/3 fluid. The front diaphram is extended. The rear diaphram is partially extended at an "uneven" angle.
I looked behind both front wheels for leaks at the calipers, hoses, and on the tires. I also checked the rear although they are harder to see. I don't see any leaks.
The car had a body on resto in 1989, in Californina (now in Connecticut). I have an 8/23/89 receipt from R&J Corvette Parts, Anaheim, indicating purchase of mstr cyl (part #40090), brake calipers (#40082, 83,84,85) and core. I assume these are stainless calipers...
The stamp on the master cyl and cover are correct. The car has scored two Long Island Metro chapter top flights.
Any ideas what could be wrong?
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