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Old 11-03-2015, 09:40 PM #1
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02 Hydraulic brake booster faliure

i am getting a squealing sound when i first start up my truck in the morning. i know the whole assembly is pretty expensive from Toyota. Anyone can tell me how i can fix this without going to the dealership?
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Old 11-03-2015, 10:17 PM #2
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What makes you think that it's the brake booster? Without hearing the "squealing" it's kinda hard to diagnose. I'm more inclined to think that it is a belt that needs tightening...
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Old 11-04-2015, 07:54 AM #3
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It will make the noise with the key on the position as well.
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Old 11-04-2015, 09:13 AM #4
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Do the brakes work? My booster just went out and my pedal is as hard as a rock.
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Old 11-04-2015, 09:54 AM #5
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I have a used, good condition one sitting on the shelf for sale. Check the 01 parts thread in my signature for details.
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Old 11-04-2015, 12:22 PM #6
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Quote:
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I have a used, good condition one sitting on the shelf for sale. Check the 01 parts thread in my signature for details.
My thought was how long would a used on last me? Not sure if i should buy a brand new one or get a used one. Can you rebuild these units?
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Old 11-04-2015, 01:22 PM #7
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The one I have is off an 01 with 175k on it. No noise when removed and the truck was daily driven prior to the frame rusting out a rear end link mount. I have seen a DIY about doing work to the 01-02 boosters but I'm not sure on what they fix as I have a 97 with the standard master
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Old 11-04-2015, 01:32 PM #8
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I bought a used oem one last year for about $50

New auto parts store boosters are about 300 and new oem is 700 (I think). That math was easy for me.
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Old 11-04-2015, 01:38 PM #9
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could you send me pictures?
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Old 11-04-2015, 02:54 PM #10
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could you send me pictures?
Yea, I'll snap some when I get home
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Old 11-04-2015, 06:22 PM #11
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PMd you
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Old 11-04-2015, 09:25 PM #12
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See if this thread link sheds any light on the situation.

brake failure
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Old 11-04-2015, 11:26 PM #13
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I have a known good low mile unit for sale if you end up needing it.
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Old 03-17-2020, 06:40 AM #14
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Bring back an old thread. I’d like to know if there are other vehicles with the same master cylinder brake assembly. Thanks a lot!
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Old 03-17-2020, 09:02 AM #15
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... other vehicles with the same master cylinder brake assembly...

Sure are.

1st gen tundras, same MY tacos and 1st gen sequoias, to name a few, then there's lexus suvs....
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