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RTedder2

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Oct 17, 2015
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Hello all. A week ago I bought an '09 Z71 Tahoe. We really like it. Lots of room coming, from a car.
 

Garrett99

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Oct 22, 2015
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Hey everyone the names Garrett. I have a 99 lt 5.7 350. And love her. I'll start with this haha. I'm having a brake problem whenever I push the brake pedal it pulsates and I hear a deep moaning tone I think it is the brake booster because I checked the brake fluid and I have plenty of fluid I'm also going to see if there is air in the lines any thoughts on this it is really a safety problem and I have 3 children would appreciate any kind of advice you guys can give
 

iLikeEggs

Potato!
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Sep 4, 2015
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Oregon, USA
Brake pedal pulsating indicates a warped brake rotor. It's not going to get better or go away. You can try to have them turned but if it's an old rotor, it may fall out of specs. New rotors aren't that expensive though. They are not that hard to replace. Might as well replace the pads while you're in there and call it a brake job. Lol.
Does it have drums or disc on the rear?
The moaning sound may very well be the booster. Check for an air leak at the vacuum connections first. Generally when a booster goes bad the brake pedal will feel like you are standing on a rock. If it's still a normal feeling pedal, go after the pulsating problem first and see if anything changes.
 

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