Silverado 4 Piston Caliper upgrade done

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GranPrix

GranPrix

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I noticed there's not many or any of these caliper swaps for the 15'-20' models so I'll post up all the info from my upgrade.

OEM Rotor specs:
Diam: 12.99”
Thick: 1.181” / 30mm

Silverado specs:
Diam: 13.58”
Thick: 0.790” / 20.06mm

Calipers:
GM# 13545382 DRIVER
GM# 13545383 PASS

8 1/8” thick washers/spacer so the caliper can center with the rotor.

Banjo bolt:
GM# 11569589 30/ftlbs

Caliper bolts:
GM# 15016308

OEM 18" Wheels

1/4" spacers for the Calipers to clear the wheels


Rotors:
IMG_1615.jpeg

IMG_1616.jpeg
IMG_1632.jpeg
IMG_1633.jpeg
 
Last edited:
RST Dana

RST Dana

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GranPrix said:
So far I’ve driven over 500 miles now and the difference is night and day. Very pleased with no complaints
Click to expand...
When you put them in the oven, did you remove the pistons?
 
petethepug

petethepug

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Nicely done. That upgrade brings it up to what GM should have had as a factory option for a tow / performance package a long time ago. It’s such a great platform most owners drive these trucks like a light import passenger vehicle.

If you zip these trucks with short stops and in the same spirited fashion you would a a Honda CRV, the brakes are gonna remind you that you’re moving 3T around with a pulsing in the pedal from warping or pad build up.
 
TxVet33

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GranPrix said:
So far I’ve driven over 500 miles now and the difference is night and day. Very pleased with no complaints
Click to expand...
Outstanding post and how to. So my '19 Yukon XL SLT has 20" wheels/tires, so probably no grinding is needed?
 
M

mach1z

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IMG_2744.jpg


Here is a photo with caliper on my 2017 TAHOE with Z71 Wheels-18in. One could get away with grinding a chamfer on to the inside edge of the caliper before installation. However, I did the grinding after it was mounted so I had to touch the center rib to get that angle.
 
Last edited:
TxVet33

TxVet33

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GranPrix said:
I noticed there's not many or any of these caliper swaps for the 15'-20' models so I'll post up all the info from my upgrade.

OEM Rotor specs:
Diam: 12.99”
Thick: 1.181” / 30mm

Silverado specs:
Diam: 13.58”
Thick: 0.790” / 20.06mm

Calipers:
GM# 13545382 DRIVER
GM# 13545383 PASS

8 1/8” thick washers/spacer so the caliper can center with the rotor.

Banjo bolt:
GM# 11569589 30/ftlbs

Caliper bolts:
GM# 15016308

OEM 18" Wheels

1/4" spacers for the Calipers to clear the wheels


Rotors:
View attachment 409466

View attachment 409467
View attachment 409468
View attachment 409469
Click to expand...
That is a labor of LOVE! Looks great.
 
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