2012–2016 Honda CR-V
| Part Name | Part Number | Price | Buy |
|---|---|---|---|
| Group 51R Battery | 31500-SR1-100M | $179.99 | |
| Battery Terminal Cleaner | — | $6.00 |
About prices: shown prices are typical retail averages and change frequently; cheaper alternatives may be available. Confirm the current price before buying.
💡 Pro tip: Order all parts at once to save on shipping
Follow these steps carefully
Turn the ignition to LOCK, make sure the engine is fully off, and set the parking brake. Open the hood. The battery sits at the front of the engine bay on the driver's side, under a plastic cover. Grab your 10mm wrench or socket.
Loosen the 10mm nut on the negative terminal and wiggle the clamp free by twisting and pulling. Never pry it off with a metal tool - Honda warns this can damage the cable. Tuck the cable aside so it cannot touch the battery while you work.
Loosen the 10mm nut on the positive terminal, remove the clamp the same way, and move it clear of the battery.
Loosen the two 10mm nuts on the hold-down J-hooks. Once loose, unhook the J-hooks from the bottom of the battery tray, then lift off the top cross-bar and the plastic battery cover.
Lift the battery straight out of the tray. It weighs roughly 29 pounds, so use two hands. Note the orientation of the terminals before you remove it - the new battery goes in exactly the same way.
Scrub any corrosion off the tray and the inside of the cable clamps with a wire brush or battery terminal cleaner. A baking-soda-and-water wash works on heavy white or green buildup. Rinse, dry, and inspect the positive cable for corrosion running down the wire braid - a known weak spot on this CR-V generation.
Set the new Group 51R battery into the tray in the same orientation as the old one. Reinstall the hold-down bar and J-hooks and tighten the nuts snugly. Do not overtighten - crushing the case can crack it.
Connect the POSITIVE cable first, then the negative. Tighten both 10mm clamp nuts snugly and confirm the clamps cannot be twisted by hand. Coat both terminals with dielectric grease or anti-corrosion spray.
Make sure no tools are left in the engine bay, then start the engine. Let it run while you check that nothing is loose. Your radio presets will be cleared and you may need to enter your radio anti-theft code - find it on the sticker or card in your owner's manual, or call Honda for it. Then complete the post-install resets: the driver's auto power window may need its reset procedure, and the PCM idle relearn (run the engine until warm, then idle a few minutes) smooths out any rough idle.
Test your repair before closing everything up. If something doesn't work right, double-check your steps.
⚠️ Common Mistakes to Avoid
2012–2016
2007–2011
2012–2016
2007–2011
2002–2006
2002–2006