How to Replace the Battery on a 2015-2025 GMC Canyon (12V Under-Hood Battery) (Engine: V6 3.6L)
Step-by-step battery change with tools, parts list, safety tips, and torque specs
How to Replace the Battery on a 2015-2025 GMC Canyon (12V Under-Hood Battery) (Engine: V6 3.6L)
Step-by-step battery change with tools, parts list, safety tips, and torque specs for 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
🔧 Canyon - Battery Replacement
Replacing the 12V battery restores reliable starting and stable electrical power. On your Canyon, the battery is under the hood and is held down with a simple clamp, so this is a very doable first DIY job.
Difficulty Level: Beginner | Estimated Time: 0.5-1.0 hours
Assumption: Stock under-hood battery with a top-post style hold-down clamp.
⚠️ Safety & Precautions
- ⚠️ Keep sparks/flames away; batteries can vent explosive gas.
- ⚠️ Wear eye protection and gloves; battery acid is corrosive.
- ⚠️ Always disconnect the negative (-) cable first and reconnect it last.
- ⚠️ Don’t let a tool touch the battery positive (+) and any metal body part at the same time.
- ⚠️ If the truck has aftermarket audio/alarms, expect settings to reset when power is removed.
🔧 Required Tools
You'll need the following tools for this repair:
- 10mm socket
- 13mm socket
- 3/8" drive ratchet
- 6" socket extension
- Torque wrench (5-50 Nm range)
- Battery terminal puller (specialty)
- Battery post/terminal cleaning brush
- Shop rags
- Nitrile gloves
- Safety glasses
🔩 Required Parts
HowToo sells all the parts you need for this repair:
- 12V battery (BCI Group 48/H6 size or equivalent) - Qty: 1
- Battery terminal anti-corrosion pads - Qty: 2
- Battery terminal protector spray - Qty: 1
📋 Before You Begin
- Park on level ground, shift to neutral, set the parking brake, and turn the ignition completely off.
- Open the hood and keep keys away from the truck so nothing wakes up electrically.
- Wait 5 minutes before disconnecting cables so modules go to sleep.
- Have your radio presets noted if you care about them.
🔨 Step-by-Step Instructions
Follow these steps in order:
Step 1: Access the battery
- Locate the battery in the engine bay.
- If there’s a battery cover or intake snorkel in the way, remove it using a 10mm socket or by releasing the clips by hand (if equipped).
Step 2: Disconnect the negative (-) cable first
- Use a 10mm socket to loosen the clamp bolt on the negative (-) terminal (usually black).
- Twist the clamp gently and lift it off the post. If it’s stuck, use a battery terminal puller (specialty) (this tool pulls the clamp off without damage).
- Move the negative cable aside so it cannot spring back onto the battery.
Step 3: Disconnect the positive (+) cable
- Use a 10mm socket to loosen the clamp bolt on the positive (+) terminal (usually red).
- Lift the clamp off and position it safely away from the battery.
Step 4: Remove the battery hold-down
- Find the battery hold-down clamp at the base of the battery.
- Use a 13mm socket, 3/8" ratchet, and 6" extension to remove the hold-down bolt and clamp.
- Set the clamp/bolt aside where you won’t lose them.
Step 5: Remove the old battery
- Lift the battery straight up and out. Batteries are heavy; keep your back straight and lift with your legs.
- Place it on the ground upright (never on its side).
Step 6: Clean the terminals and tray
- Use a battery post/terminal cleaning brush to clean the inside of both cable clamps until shiny.
- Wipe the battery tray area with shop rags.
- Clean metal = better starting.
Step 7: Install the new battery
- Place the new battery into the tray in the same orientation as the old one.
- Reinstall the hold-down clamp and bolt using a 13mm socket.
- Tighten the hold-down with a torque wrench: Torque to 20 Nm (15 ft-lbs).
Step 8: Reconnect cables (positive first, negative last)
- Install anti-corrosion pads on the posts if you’re using them.
- Reconnect the positive (+) cable first and tighten using a 10mm socket: Torque to 15 Nm (11 ft-lbs).
- Reconnect the negative (-) cable last and tighten using a 10mm socket: Torque to 15 Nm (11 ft-lbs).
- Lightly spray both terminals with battery terminal protector spray.
Step 9: Reinstall any covers
- Reinstall any battery cover/snorkel you removed using a 10mm socket or clips by hand (if equipped).
✅ After Repair
- Start the engine and confirm it cranks strongly.
- Check that the battery is secure and cables don’t rotate on the posts by hand.
- Verify no warning lights stay on after a short drive.
- Reset clock/radio presets if needed.
💰 DIY vs Shop Cost
Shop Cost: $250-$450 (parts + labor)
DIY Cost: $180-$320 (parts only)
You Save: $70-$200 by doing it yourself!
Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 0.5-1.0 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.
Guide for Vehicle Battery replace for these GMC vehicles
| Year Make Model | Sub Model | Engine | Body Style |
|---|---|---|---|
| 2025 GMC Canyon | - | Inline 4 2.7L | - |
| 2024 GMC Canyon | - | Inline 4 2.7L | - |
| 2023 GMC Canyon | - | Inline 4 2.7L | - |
| 2022 GMC Canyon | - | Inline 4 2.5L | - |
| 2022 GMC Canyon | - | V6 3.6L | - |
| 2021 GMC Canyon | - | Inline 4 2.5L | - |
| 2021 GMC Canyon | - | V6 3.6L | - |
| 2020 GMC Canyon | - | Inline 4 2.5L | - |
| 2020 GMC Canyon | - | V6 3.6L | - |
| 2019 GMC Canyon | - | Inline 4 2.5L | - |
| 2019 GMC Canyon | - | V6 3.6L | - |
| 2018 GMC Canyon | - | Inline 4 2.5L | - |
| 2018 GMC Canyon | - | V6 3.6L | - |
| 2017 GMC Canyon | - | Inline 4 2.5L | - |
| 2017 GMC Canyon | - | V6 3.6L | - |
| 2016 GMC Canyon | - | Inline 4 2.5L | - |
| 2016 GMC Canyon | - | V6 3.6L | - |
| 2015 GMC Canyon | - | Inline 4 2.5L | - |
| 2015 GMC Canyon | - | V6 3.6L | - |










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