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997.1 - Brake fluid leak under the driver side

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Old 07-26-2019, 03:06 PM
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sephiros9883
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Default 997.1 - Brake fluid leak under the driver side

Hi Everyone,

I went tracking last night for the first time in my 997.1 and it was a lot of fun!
However unfortunately this morning, as I pull the car out of the garage to go to work, I see a puddle of fluid between the wheel well and the driver's seat. Sure enough, it's brake fluid and soon the car throws a "brake fluid low" error.
I didn't have time to look into it deeper the whole underbody panel is coated and leaking from several places with brake fluid on the left side of the car. I was surprised because i had blown brake lines before in other cars and it was very evident in the brake feel but the 911 still feels "strong". it's not completely mushy.

What typically causes this issue? Could it be the slave cylinder?

Thanks!
Old 07-26-2019, 04:51 PM
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Sneaky Pete
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Are you sure the brake fluid fill cap is tight?
Old 07-26-2019, 05:09 PM
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Carerra
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This is why I am too chicken**** to track mine. I need in on Monday.
Old 07-26-2019, 05:58 PM
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sephiros9883
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Originally Posted by Sneaky Pete
Are you sure the brake fluid fill cap is tight?
Yes, I checked! that was my first thought too There is also absolutely no signs of leakage around the reservoir from what i could see.
Old 07-26-2019, 06:07 PM
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sephiros9883
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Originally Posted by Carerra
This is why I am too chicken**** to track mine. I need in on Monday.
I hear you! but it's so much fun to track this car.... I can't wait to fix it to go back at it!
Old 07-27-2019, 10:13 AM
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Petza914
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You'll need to get under there and find the leak source. Might have to pull the wheel and wheelwell liner. Does the clutch feel OK as they share the same fluid.
Old 07-27-2019, 11:42 AM
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Hatzenbach
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The next thing I would check are the bleeder screws on the front left caliper
Old 07-29-2019, 06:25 PM
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sephiros9883
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Hey guys,

Turns out a hard brake line going in the underbody rusted out and broke, presumably from the pressures applied during lapping. Another one showed early signs of corrosion too so we're swapping it out as well.
I guess it's par for the course for canadian cars that are 12 years old....



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