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shakenfake's Sierra SLT LBZ thread (BORING)

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Old 09-02-2024, 09:26 PM
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Yup. Sometime tomorrow or Wednesday I will double check the brakes since that was the last thing I touched. I can't imagine the brakes are causing this issue in reverse but not forward but I guess you never know.
Also going to spin the wheels by hand and see if I can replicate the noise.
Old 09-03-2024, 08:58 AM
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parking shoe adjustment?
Old 09-03-2024, 09:03 AM
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Thought about that but only in reverse? Seems odd. I never touched them when I did my brakes the other weekend.
Old 09-03-2024, 09:51 AM
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Remove the driveshaft and see if it's not the transmission? Then go back from there?
Old 09-03-2024, 10:06 AM
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@strutaeng My thought was spin it first, if it makes noise remove DS, spin again, if it makes noise then problem is isolated to rear.
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Old 09-03-2024, 12:19 PM
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Just jack up the rear and spin the rear wheels by hand.

Then put a big turbo on it.
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Old 09-03-2024, 12:49 PM
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Then put a big turbo on it.
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Old 09-04-2024, 06:30 PM
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No noises except what I feel is normal brake dragging. Although I did notice that my right rear brake line has rubbed through the coating and is down to the braided part. I checked it a couple times after install but I guess I should have checked again. I will move the banjo bolt and see if that makes a difference.

Anyhow, no noises that I feel are out of place. I guess the next thing to do is start the truck and put it in reverse on the stands and see what happens. I did order new gear oil and a gasket which should arrive next week so I'll go ahead and pop it open just to double check. I never changed the gear oil on this truck when I got it.

Edit: I posted too soon. I did "drive" the truck on the stands. No issues that I can tell. Maybe some weird vibrations when in reverse and the brake is on? But it seems to do this with my foot completely off the brake. What I will do is pull the wheels and tires off and get the brakes back off and see what is going on underneath.

Last edited by shakenfake; 09-04-2024 at 06:48 PM.
Old 09-05-2024, 09:08 AM
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Thinking at my desk today, couldn't I pull the parking brake shoes off to eliminate the parking brake as a potential issue?
Old 09-05-2024, 10:24 AM
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Originally Posted by shakenfake
Thinking at my desk today, couldn't I pull the parking brake shoes off to eliminate the parking brake as a potential issue?
Yes, that should rule that out.

I was just thinking maybe your parking pawl is not disengaging only in reverse? IDK if that's possible, but just a guess. 🤷


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