Newest Silverado Iteration Brake Service Mode

M

MrkofXcellence

Joined
Jan 13, 2013
Messages
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Location
Brentwood, MD
I was getting a brief rubbing sound after using brakes for the first few miles when cold, especially when cold outside. It sounded to me like the brakes weren't backing off all the way. I couldn't decipher whether front or rear. I decided when rotating the tires today to lube the caliper pins (only the rear has them) and the brake pad tabs at the frictions points with the caliper. The front has four pistons (two indboard, two outboard) so no caliper pins. So only lubed the caliper tabs on those.
Anyway, I had to put the truck into brake service mode to do the rear brakes. I'm attaching a picture of the instructions that I successfully used. Note: you must put truck into "neutral service mode" first.

servicemode1.webp


servicemode2.webp
 
Can one just skip all that fluff and go directly to the hex driver running the calipers back?
 
A '24 may have brake pad wear sensors also. My '23 1500 does. Scan tool is needed to reset them after a pad change.
I'm not sure if a nagging warning will constantly appear if not reset, haven't had to do my brakes yet.
There is a parking brake calibration shown in my Alldata for my truck also.
 
Last edited:
Marcozi said:
Why do manufacturers make simple things so complex?
Click to expand...
Its in their best interest? certainly not ours.

You’d think it’d only cost an intern one summer’s effort to have the diagnostic capability splashed onto the LCD that all cars now have, but no, much better that we have to go aftermarket for diag tools.
 
Marcozi said:
Why do manufacturers make simple things so complex?
Click to expand...
supton said:
Its in their best interest? certainly not ours.

You’d think it’d only cost an intern one summer’s effort to have the diagnostic capability splashed onto the LCD that all cars now have, but no, much better that we have to go aftermarket for diag tools.
Click to expand...
One would think a car manufacturer with this much storied history and experience would do better...
 
supton said:
Its in their best interest? certainly not ours.

You’d think it’d only cost an intern one summer’s effort to have the diagnostic capability splashed onto the LCD that all cars now have, but no, much better that we have to go aftermarket for diag tools.
Click to expand...
If it was a Tesla, it can be done from the screen - no diag laptop needed. I think there’s a brake service mode or bleed mode so anyone can do it without needing to ping service.

In the early days of Toyota’s hybrids, you needed Techstream to bleed the brakes on a Prius. Now, Toyota has a procedure without a scan tool for most of their hybrids but warns the scan tool method is the only acceptable method.
 
repairman54 said:
A '24 may have brake pad wear sensors also. My '23 1500 does. Scan tool is needed to reset them after a pad change.
I'm not sure if a nagging warning will constantly appear if not reset, haven't had to do my brakes yet.
There is a parking brake calibration shown in my Alldata for my truck also.
Click to expand...
 
Brake sensor reset can be done through the dash. Parking brake recalibration is also just a car-based thing (no scan tool needed). Basically, from what I can tell, all brake replacement items can be handled without a scan tool.
 
CapitalTruck said:
I was getting a brief rubbing sound after using brakes for the first few miles when cold, especially when cold outside. It sounded to me like the brakes weren't backing off all the way. I couldn't decipher whether front or rear. I decided when rotating the tires today to lube the caliper pins (only the rear has them) and the brake pad tabs at the frictions points with the caliper. The front has four pistons (two indboard, two outboard) so no caliper pins. So only lubed the caliper tabs on those.
Anyway, I had to put the truck into brake service mode to do the rear brakes. I'm attaching a picture of the instructions that I successfully used. Note: you must put truck into "neutral service mode" first.

View attachment 316705

View attachment 316706
Click to expand...

This is well known on the truck boards and is easy to do. How long does it really take?
 
CKN said:
This is well known on the truck boards and is easy to do. How long does it really take?
Click to expand...
The above plus tire rotation using floor jacks and jackstands was a total of like two hours from start to finish. But I use torque wrench on calipers pin bolts and lug nuts, so that adds a little to the time. Additionally, it took me a few tries to get the parking brake to retract properly (didnt have in neutral service mode first). I had to sit in the seat and close driver door to put into neutral service mode.
 
CKN said:
Yea-it beats a cable system that gets rusted and broken when you buy a truck that's' a beater-you know-down the road 25 years.
Click to expand...
I can only speak for the system when it’s fully functional, but I like that basically it self adjusts every time you use it.
 
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