Brake Diagnostics · Repair Guides · Warning Lights
Know your brakes. Fix it right the first time.
140+ step-by-step guides on warning messages, brake resets, caliper torque specs and part choices for the Sierra, Yukon, Acadia, Canyon and Terrain — written for owners who do their own wrenching.
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GMC BrakesHow to Bed In New Brake Pads and Rotors on a GMC
How to bed in new brake pads and rotors on a GMC: 6 to 10 moderate stops from 30 to 35 mph, 2 to 3 firmer stops from 40 to 45 mph, then a cool-down.
GMC BrakesGMC Brake Pedal Pulsation and Steering Shake: Causes
A pulsing pedal or shaking wheel under braking usually means uneven rotor thickness from pad deposits, not a heat-warped rotor. How to find and fix it.
GMC BrakesGMC Brake Pad Thickness Chart — When to Replace
New GMC brake pads start at about 10 to 12 mm. Plan a replacement around 3 to 4 mm and replace right away under 2 mm. Chart with symptoms by stage.
YukonGMC Yukon Trailer Brake Troubleshooting
When GMC Yukon trailer brakes are dead, weak or locking up, check the 7-way connector, fuse, gain setting and trailer magnets, in that order.
SierraGMC Sierra Trailer Brake Gain Settings — 1500 vs 2500
GMC Sierra trailer brake gain is set with GM's 20-25 mph lever test, not a chart. Here's how, and why a 2500 often runs higher gain than a 1500.
SierraGMC Sierra 1500 vs 2500 Brake Pad Differences
GMC Sierra 1500 and 2500 brake pads are not interchangeable. The heavy-duty 2500 typically uses larger rotors and calipers sized for its higher GVWR.
CanyonGMC Canyon Brake Caliper Replacement Cost & Guide
A leaking or sticking GMC Canyon caliper usually needs replacing. Expect about $300 to $900 per caliper, or $600 to $1,500 for a front-axle pair.
AcadiaBest Brake Rotors for the GMC Acadia — Buyer's Guide
Blank OEM-style rotors suit most GMC Acadia drivers, slotted rotors help those who tow or drive mountain grades, and drilled rotors carry a crack risk.
SierraWhy Won't My GMC Sierra's Brake Warning Light Turn Off?
If a GMC Sierra brake warning light stays on with good pads and fluid, the cause is often the parking brake switch, fluid level sensor, ABS or wiring.
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Warning Lights & Messages
Reset & Troubleshooting Guides
- 2020 GMC Sierra Service Brake Pad Monitor Reset
- GMC Sierra Soft Brake Pedal — Causes and What to Check
- How To Reset Change Oil Light on 2005 GMC Sierra
- How to Reset Your GMC Acadia Radio
- 2020 GMC Sierra 1500 Brake Control Module: Test & Replace
- GMC Sierra Parking Brake Reset After a Battery Disconnect
- GMC Terrain Brake Reset After Rotor Replacement
- GMC Yukon Parking Brake Reset After Pad Replacement
Brake Pads, Rotors & Calipers
- GMC Brake Calipers: When to Replace and How to Maintain
- 2018 GMC Sierra 1500 Brake Caliper Torque Specs
- What Does Service Brake Pad Monitor Mean on GMC Sierra?
- Best Brake Pads for GMC Trucks: Types and Brands Compared
- GMC Brake Pad Thickness Chart — When to Replace
- How to Bed In New Brake Pads and Rotors on a GMC
- Best Brake Rotors for the GMC Acadia — Buyer's Guide
- GMC Canyon Brake Caliper Replacement Cost & Guide
Trailer Brake Systems
- Service Trailer Brake System on GMC: Causes and Fixes
- GMC Trailer Brake Controller Wiring and 7-Pin Pinout
- How to Use a GMC Trailer Brake Controller
- GMC Sierra Trailer Brake Gain Settings — 1500 vs 2500
- GMC Yukon Trailer Brake Troubleshooting
- Buying a 2015 GMC Sierra Trailer Brake Control Module
- How to Turn Off The Trailer Brake System GMC Sierra
GMC Brake Problems
- Rear Disc Brake Conversion for GMC Sierra 1500 (2005-2013)
- 2008 GMC Yukon Brake Light Bulb Size (2007-2014 Chart)
- GMC Envoy Third Brake Light and Moulding (2002-2009)
- GMC Yukon Brake Replacement Cost: Pads, Rotors, Calipers
- How GMC Brake Systems Work: Hydraulics to StabiliTrak
- GMC Brake Maintenance: Intervals, Fluid, Towing, Winter
- GMC Canyon Brake Problems and Recalls by Generation
- GMC Yukon Brake System Guide (2015-2023)
GMC Ownership Guides
- How to Open GMC Acadia Trunk From Inside
- GMC Acadia Towing Capacity
- Does The GMC Acadia Have Engine Problems?
- 2007 GMC Yukon Denali 6.2 Oil Pressure Problems
- GMC Acadia Airbag Inflator Recall is Happening
- How To Start GMC Acadia With Key Fob
- GMC Canyon Pickups Recalled Over Tight Nuts
- Where is The GMC Acadia Battery Location?