2021 Tahoe PPV massive oem brakes, 16"
- Thread starter ivin74
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RTLINGR2
Member
The coating on the rotor will wear off. Do a good burn-in/seat the pads, let them cool, then do it again couple hours later. The 1st time you do it, you will still see the coating, and it will start to wear off. The 2nd time should be good. The police pads put off some dust, so just stay on top of cleaning the wheels. They'll stop and shouldn't get any noise out of them. The Rebestos wear nice. More milegae out them than the oe stuff.
RTLINGR2
Member
Thats awesome! If you dont mind, where did you source the calipers and cost?
As far as your 21 Denali, what was the the caliper on it? 2 piston, 4 piston, and did it use a caliper mounting bracket like previous generations or is the bracket deleted like the ppv caliper? Thanks!
The original fronts were 4-piston. The calipers bolted up perfectly, as I also opted to pull the hubs to install the larger backing plates. With the PPV backing plates, it required no shimming of the caliper, as it aligned perfectly over the rotor.
Outlined below is my entire parts list I got from Rock Auto. I had to source the pin kits and caliper bolts from a local Chevy dealer, as Rock Auto didn't have inventory. One thing I learned is the brake pad wear sensor I ordered for the front, doesn't work due to the height needed for the sensor to clip in before it 90's, however using a rear brake pad sensor resolved that, as it has more height. I've highlighted that sensor in red that DOES NOT work. I ordered 8 banjo bolt washers, just in case I needed to take them off again, but didn't need to, so you'll only need 4. The only thing I had to come up with an idea for was the brake hoses, as the bracket off the existing hose still goes in the same spot, but where the hose enters the calipers, is at a different spot and the hose now wants to be super close or may rub on the upper part of the knuckle. However, i resolved this by wrapping a section of those brake hoses with rubber fuel hose and secured it in place.
11546469 - Caliper Bolt x4 $2.85 each
85153957 - Caliper Pin Kit x2 $37.21 each
GM GENUINE | 84793057 | Caliper | $ 394.99 | $ 0.00 | 1 | $ 394.99 |
GM GENUINE | 84793058 | Caliper | $ 397.79 | $ 0.00 | 1 | $ 397.79 |
GM GENUINE | 11569590 | Banjo Bolt | $ 12.17 | $ 0.00 | 2 | $ 24.34 |
GM GENUINE | 21012386 | Banjo Bolt Washer | $ 0.45 | $ 0.00 | 8 | $ 3.60 |
GM GENUINE | 84495310 (84763236) | Brake Backing Plate / Dust Shield | $ 11.79 | $ 0.00 | 1 | $ 11.79 |
GM GENUINE | 84495309 (84763235) | Brake Backing Plate / Dust Shield | $ 11.79 | $ 0.00 | 1 | $ 11.79 |
GM GENUINE | 11609271 | Rotor Lug Stud | $ 5.23 | $ 0.00 | 2 | $ 10.46 |
GM GENUINE | 84693643 | Brake Pad Wear Sensor | $ 14.15 | $ 0.00 | 1 | $ 14.15 |
GM GENUINE | 84688287 | Brake Pad Wear Sensor | $ 14.11 | $ 0.00 | 1 | $ 14.11 |
RAYBESTOS | 582799P | Rotor | $ 95.79 | $ 0.00 | 2 | $ 191.58 |
RAYBESTOS | SP2407PP | Brake Pad | $ 50.79 | $ 0.00 | 1 | $ 50.79 |
RAYBESTOS | SP2174APPH | Brake Pad | $ 30.99 | $ 0.00 | 1 | $ 30.99 |
RAYBESTOS | 582457P | Rotor | $ 69.79 | $ 0.00 | 2 | $ 139.58 |
Shipping | Ground | $ 85.95 | ||||
Tax | $ 117.46 | |||||
Order Total | $ 1499.37 |
RTLINGR2
Member
Good write up. Thanks for sharing. I was referencing your stock components for brake upgade on my 05 tahoe. The 13" rotors and a 4 piston calipers would stop better than my current 12" with 2 piston. But been researching the 16" 6 piston as well.
As far as your sensor and hose bracket issues. By chance did you look up those parts for a 21 up ppv tahoe? May be what you need.
Rotor and pad info i gave out is what we use as replacement components over the oe in our ploice fleet.
As far as your sensor and hose bracket issues. By chance did you look up those parts for a 21 up ppv tahoe? May be what you need.
Rotor and pad info i gave out is what we use as replacement components over the oe in our ploice fleet.
Oh, yeah that'd definitely be an upgrade, but I tend to keep stock stuff around and throw the vehicle back to stock if I decide to sell or trade-in. I'd recommend this setup over my 21 stock setup.
I did look up the part numbers for both and the left side brake hose has a different part number, by one digit, but the passenger side was the same. I'm sure it would be fine and wouldn't rub through, I'm just an@l and over-cautious.
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RTLINGR2
Member
Cool. I get it.
Since your new caliper has 6 pistons, 4 more than previous front setup, does the master cylinder need replacing also?
Negative. Comparing the PPV to my Yukon XL and the part numbers were exactly the same, including lines. I believe they went smaller pistons to account for the master setup. After doing a 2700 mile road trip, these brake are worth their weight in gold. Could not be more happier with my decision to go with them.
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