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Old 09-06-2020, 10:59 AM   #1
F419sr1
 
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Brake booster failures

This is the second failure Iv had. This booster only lasted 4000 miles. First time it happened at the track. Shut the car off and when I restarted it I had no booster on the brakes. Second time the day after a track day I went out to pick up oil for a oil change and it went out on the way there. I was getting brake assist warnings but they would go Away and function fine. Usually at idol. Has anyone else had this problem? Any ideas on what could be causing it?
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Old 09-06-2020, 11:13 AM   #2
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Quote:
Originally Posted by F419sr1 View Post
This is the second failure Iv had. This booster only lasted 4000 miles. First time it happened at the track. Shut the car off and when I restarted it I had no booster on the brakes. Second time the day after a track day I went out to pick up oil for a oil change and it went out on the way there. I was getting brake assist warnings but they would go Away and function fine. Usually at idol. Has anyone else had this problem? Any ideas on what could be causing it?
Are your headers ceramic coated or wrapped? Guessing that maybe header heat is killing the brake booster?
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Old 09-06-2020, 11:14 AM   #3
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Find it hard to believe that the booster is dead on a relatively new car. Probably the check valve or the hose to the booster.
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Old 09-06-2020, 11:59 AM   #4
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Quote:
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Are your headers ceramic coated or wrapped? Guessing that maybe header heat is killing the brake booster?
They are coated.
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Old 09-11-2020, 08:16 AM   #5
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They found the cause. A wiring short. Keeps popping the fuse. Can’t find the short yet.
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Old 09-11-2020, 08:17 AM   #6
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Hopefully its a simple search! Such an oddball issue to have.
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Old 09-11-2020, 09:02 AM   #7
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Hopefully its a simple search! Such an oddball issue to have.
Hope so. Warranty is done. I had the wiring service bulletins done.
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Old 09-15-2020, 07:33 PM   #8
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Update the brake booster gas filled with oil and hydro locked blowing fuses. Now I have to find how and why oil is getting in there.
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