How to Replace Rear Brake Pads on a 2020 Mazda CX-5 (EPB Service Mode Guide)
Step-by-step DIY instructions with required tools/parts, safety tips, and proper reassembly checks for 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
How to Replace Rear Brake Pads on a 2020 Mazda CX-5 (EPB Service Mode Guide)
Step-by-step DIY instructions with required tools/parts, safety tips, and proper reassembly checks for 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
🔧 CX-5 - Rear Brake Pad Replacement
Rear brake pad replacement on your CX-5 depends on which rear brake system you have (especially whether it has an Electronic Parking Brake). Once that’s confirmed, the steps and torque specs are straightforward: lift the rear, remove the caliper, swap pads/hardware, compress the piston, then reassemble and bed-in the pads.
Difficulty Level: Intermediate | Estimated Time: 1.5-3.0 hours
⚠️ Safety & Precautions
- ⚠️ Work on level ground and support the CX-5 with jack stands before removing any wheels.
- ⚠️ Do not press the brake pedal with a caliper removed; the piston can pop out and leak fluid.
- ⚠️ Brake dust is harmful—wear a mask and use brake cleaner, not compressed air.
- ⚠️ If your CX-5 has an Electronic Parking Brake (EPB), it must be put in service/maintenance mode before pushing the rear piston back.
🔧 Required Tools
You'll need the following tools for this repair:
- Floor jack (rated 3-ton minimum)
- Jack stands (rated 3-ton minimum)
- Wheel chocks
- Lug nut socket (Mazda OEM size)
- Ratchet (3/8" drive)
- Breaker bar (1/2" drive)
- Socket set (metric)
- Torque wrench (10-200 Nm range)
- Brake caliper piston compressor tool (specialty)
- Flat blade screwdriver
- Wire brush
- Bungee cord
- Brake cleaner
- Nitrile gloves
- Safety glasses
🔩 Required Parts
HowToo sells all the parts you need for this repair:
- Rear brake pad set - Qty: 1
- Rear brake pad hardware kit (clips/shims) - Qty: 1
- Brake caliper grease (silicone-based) - Qty: 1
- Brake cleaner - Qty: 1
📋 Before You Begin
- Park on level ground, set the transmission to Park, and chock the front wheels.
- Confirm whether your CX-5 has an Electronic Parking Brake (EPB) (it’s a small switch/button near the shifter). If yes, we must put it in service/maintenance mode before compressing the rear pistons.
- Open the hood and check the brake fluid level in the reservoir; when you compress pistons, the level rises.
🔨 Step-by-Step Instructions
Follow these steps in order:
Step 1: Quick confirmation (so I give the exact Mazda procedure + torque specs)
- Do you have an Electronic Parking Brake (EPB) switch (button/switch near the shifter), or a traditional hand/foot parking brake?
- Is your CX-5 AWD or FWD?
Step 2: What I’ll provide once you confirm (no guessing)
- Exact EPB service-mode steps (if equipped), including the correct switch sequence.
- Exact bolt sizes and Torque to XX Nm (YY ft-lbs) for the caliper slide bolts and bracket bolts for your rear brake setup.
- Pad swap procedure, lubrication points, and a safe bed-in process for your CX-5.
✅ After Repair
- Pump the brake pedal until it feels firm before driving.
- Check brake fluid level and top off only if needed.
- Test at low speed first; confirm no pulling, grinding, or warning lights.
- If EPB-equipped, exit EPB service/maintenance mode and confirm the parking brake applies/releases normally.
💰 DIY vs Shop Cost
Shop Cost: $250-$450 (parts + labor)
DIY Cost: $60-$180 (parts only)
You Save: $190-$270 by doing it yourself!
Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 1.0-1.8 hours.
🎯 Ready to get started?
HowToo makes it easy: same-day/2-day shipping on every part, plus all the tools and specialty tools you need! Check out the parts and tools sections below to add everything to your cart.


















