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Brake concern...


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my 81 brat just went through some brake fluid and after checking all four corners and doing a run though on the brake lines i could not find a noticeable leak and when i filled the reserve i got my brakes back no prob yet im scared to take it on the road...i'm gonna bleed the brakes just to be safe but any ideas as to wth is going on?:confused::confused::confused::-\:-\

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my 81 brat just went through some brake fluid and after checking all four corners and doing a run though on the brake lines i could not find a noticeable leak and when i filled the reserve i got my brakes back no prob yet im scared to take it on the road...i'm gonna bleed the brakes just to be safe but any ideas as to wth is going on?:confused::confused::confused::-\:-\

 

What do you mean by you could not find a noticeable leak? Any brake fluid leak is a problem! Have you removed the drums (assuming you have stock brakes in the rear) and verified no leaking wheel cylinders and no wetness within?

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my 81 brat just went through some brake fluid and after checking all four corners and doing a run though on the brake lines i could not find a noticeable leak and when i filled the reserve i got my brakes back no prob...

 

Remember: An Old Brake fluid with enough Humidity, could evaporate easily if you use your brakes very much, in example: when you Drive a lot Downhill while using the brakes all the time, instead the gearbox to keep the speed.

Kind Regards.

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What do you mean by you could not find a noticeable leak? Any brake fluid leak is a problem! Have you removed the drums (assuming you have stock brakes in the rear) and verified no leaking wheel cylinders and no wetness within?

 

Meaning i didnt find it dripping anywhere..and i have disc on all four corners...and loyal when i stop for a light or anything i use the engine to slow me down as much as possible

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If you not see concrete evidence of leaks, then there should not be a problem. Perhaps the fluid levels were not checked frequently enough and you noted low brake fluid one day. As your brakes wear out, the fluid level in the reservoir will go down. Not sure if this is the case here. If it was totally empty when you noticed this and filled it back up, you should bleed the system. Did the warning lamp alert you to the brake problem?

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  • 3 months later...

im having a problem on my gen 1 79 brat ive bled the brakes 4 time and all air is out and doesnt lose any fluid and no leaks but still have to pump brakes 2 or 3 times to get solid pressure only thing i havnt done is checked pads but doesnt make sense to me:banghead: if the pads were bad then why does it get good pressure and stop on a dime after acouple pumps ? please help!

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master cylinder

 

Yep. No visible leaks=MC is bad. You usually can see the paint bubbling on the booster if it's been leaking for a while.

 

When you replace it, MAKE SURE to read the instructions for bench bleeding it BEFORE you install it. Every maker has a different procedure to bench bleed.

 

AND when bench bleeding, DO NOT bottom the master cyl. plunger out. you WILL tear seals and be replacing it shortly if you do.

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