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Stumped by ABS
Thank you, rdezs. The valve is in the correct direction. I bled the master cylinder twice on the bench and twice installed. The booster holds vacuum. According to my scanner it runs -9 to -11#’s and holds steady until the pedal is depressed. Once the engine is shut off, it usually drops to -5 or...- Tahoeoh
- Post #6
- Forum: Engine & Drivetrain
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Stumped by ABS
Thanks Geo. Yes I did bleed it… by the book, multiple times. I have also double and triple checked the installation. The gap at the push rod is confirmed at exactly .02,” as specified. I feel the same as you, and have decided to go down the path you suggested. With the exception of a couple of...- Tahoeoh
- Post #5
- Forum: Engine & Drivetrain
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Stumped by ABS
Hello. I have an 08 Tahoe LTZ 5.3, with ~ 215k miles, all of which are mine. I recently replaced the vac booster because it was hissing and the brakes were beginning to fail. I noticed a lot of brake fluid inside when I pulled the master cylinder off, so I replaced it as well. Now, the brakes...- Tahoeoh
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- Replies: 8
- Forum: Engine & Drivetrain
