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TR6 TR6 Brakes

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Hawk813

Hawk813

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Hello, fellow British car lovers!

I replaced my defective brake servo on a '74 TR6, bled brakes, and with engine off, got brake pedal resistance. After I started the car, brake pedal went full throw to the floorboards without resistance. What did i do wrong? How to fix?
Thanks!
 
Bill -welcome to BCF! (nice WW2 a/c for your "avatar" - a P-47?)

I'm thinking the servo sucked up brake fluid when you cranked the engine.

Check the connections.

Good to have you with us.
Tom M.
 
tr6nitjulius said:
OEM b/c/servo air may have gotten trapped in lines, before R&R the system needed to bleed brakes several times before pedal firm
Click to expand...
Thanks, Julius. I will check. Thanks, too, for the links-- I won't be getting too much work done this week as I will be getting a lot of screen time reviewing your work!
 
NutmegCT said:
Bill -welcome to BCF! (nice WW2 a/c for your "avatar" - a P-47?)

I'm thinking the servo sucked up brake fluid when you cranked the engine.

Check the connections.

Good to have you with us.
Tom M.
Click to expand...
Tom, rechecking all my connections, thanks for the tip. Thanks, too, for the nice welcome and the entertaining link.
My avatar is merely generic--closest I could find to represent a fighter in service during the year of my birth. You have a good eye, though, as it does resemble an early model P-47. I actually got the British roadster bug while serving as a USAF fighter pilot (F-4) at RAF Lakenheath, UK, in the early '70s!
 
Hawk813 said:
Thanks, Julius. I will check. Thanks, too, for the links-- I won't be getting too much work done this week as I will be getting a lot of screen time reviewing your work!
Click to expand...
U R Welcome Bill lots of new low quality parts out there usually have to bleed 2-3 times (perhaps all you need to do) when R&R to rid system of air in line causing same issues you speak of good huntin'
 
tr6nitjulius said:
U R Welcome Bill lots of new low quality parts out there usually have to bleed 2-3 times (perhaps all you need to do) when R&R to rid system of air in line causing same issues you speak of good huntin'
Click to expand...
Julius, I have been off line for a while, but just to close this one out, your tips worked! I now have fully functioning brakes. Thanks!
 
Hawk813 said:
Julius, I have been off line for a while, but just to close this one out, your tips worked! I now have fully functioning brakes. Thanks!
Click to expand...
Bill Thanks for posting the issue solved follow up glad you have the next important thing to starting rolling, Brakes! Enjoy. Julius
 
Now as to the calipers, get Wilwood .Pricey I admit , but a real safety upgrade that also improves
unsprung weight /handling. These brakes were the salvation of our race car. The Tr8 brakes were completely
inadequate for a 12 hour race.
Mad dog
 
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