04-28-2003, 07:02 AM
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CC Member
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Join Date: Dec 2000
Location: Broken Arrow. OK ( South Tulsa), USA,
OK
Cobra Make, Engine: 66 COBRA FE 427 /4SP. (HCS Coupe w/ 408 Stroker and TKO 600 -sold)
Posts: 5,595
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Not Ranked
Successfully Bleeding Hyd T/O BRG
Got a tip if anyone (other than me has had trouble bleeding a hydraulic throw out bearing). After I replaced my engine I decided to go ahead and replace some of the parts that I thought might be vuleranable in time. Yep the Hyd T/O brg was the last one I wanted to tackle but I did.
Bench bled the new master cylinder first then measured and installed the new bearing (I highly recommend a transmission jack). So now after getting all my lines connected I began the bleeding process for three hours still no pedal- really starting to get pi$$ed. So here is what worked for me in about 15 minutes.
First I made sure the bleeder line for the T/O brg was at the top of the bearing. Next I loosened the bleeder screw in my top throw out bearing (bleeder) line and submirsed it in a pint jar of brake fluid setting under the Cobra. Next I loosened my bleeder valve at the top of my master cylinder and hooked up my mini-vac and began pulling a vacuum. I could see the pint of brake fluid I had sat under the Cobra and my fill reservior mounted on my firewall begin to fluctuate. After two or three vacuum pulls I closed the bleeder line on my master cylinder. I left the throw out bearing bleeder line submirsed and open in the pint of brake fluid still sitting under my car. Next I went to my clutch pedal and began pumping and within five or six strokes on the clutch pedal by had I had a clutch. I got my wife to help me for the next step which required her to hold the clutch pedal on the floor while I crawled under the car and closed the bleeder line to the throw out bearing. I then had her pump the clutch several times and hold it to the floor while I bled the T/O Brg line once again. I now have good clutch pedal and the whole process took about 15 minutes.
Those who have kept up with this site know that when I installed my FE engine last year I had plenty of problems bleeding my throw out bearing. This method worked for me and I belive it will work with other new installs as well. Untill someone finds a way to get a little more room under a Cobra with a FE and Toploader hyd throw out bearings are mandatory.
Clois Harlan
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