C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Brake fluid change & bleeding

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Old Sep 26, 2003 | 11:57 AM
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Default Brake fluid change & bleeding


I just bought one of those Mite-Vac kits that you can check both pressue and vacuum. It also lets you bleed brake lines alone.

In the manual it mentions that some ABS systems you may need to release the pressure first. They recommend pumping the brakes 30-40 times.

Does this sound right?

I wanted to replace the brake fluid in the Vette (94) and my truck but now I'm not sure how to proceed??

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Old Sep 26, 2003 | 03:29 PM
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Default Re: Brake fluid change & bleeding (corvette-pilot)

hm. :skep: never heard that one.

whenever I bled my 92, I just bled it... no muss, no fuss... just do it to it...
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Old Sep 26, 2003 | 04:59 PM
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Default Re: Brake fluid change & bleeding (bogus)

:iagree:
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Old Sep 26, 2003 | 05:24 PM
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Default Re: Brake fluid change & bleeding (corvette-pilot)

Just bleed it the normal way, do NOT try to bleed the ABS unit, just the four wheels.
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Old Sep 26, 2003 | 08:21 PM
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Default Re: Brake fluid change & bleeding (Aaron71771)

Just bleed it the normal way, do NOT try to bleed the ABS unit, just the four wheels.
I agree. The ABS motor/pump cycles during a self test everytime your Vette is started. The fluid is circulated in and out of the pump during the self test. If the system hasn't been flushed in a while (or ever), I'd just flush the system every 30-50 engine strt cycles (about 30 days?) and flush the system again. After 3-4 flushes you can be sure there's fresh fluid in the ABS pump.

I wouldn't try to flush the ABS pump on the later Vettes (94-96). To do it right requires a TECHII scan tool, if you get air in the pump you'll set the ABS light, disable ABS and need a $200 trip to the dealer to resolve the problem.

Eric
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Old Sep 26, 2003 | 09:29 PM
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Default Re: Brake fluid change & bleeding (corvette-pilot)

I am thinking of bleeding the brakes this weekend. Is this easy? and do you have any recommendations as for what to use and what to look out for? Thanks in advance. :cheers:
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Old Sep 27, 2003 | 07:35 PM
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Default Re: Brake fluid change & bleeding (McShagger)

Im gonna do them tomorrow. And its my first time. any advice?
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