In this detailed DIY tutorial, I walk you through a full battery replacement on a 2017–2020 Acura MDX, including a 2018 MDX shown in the video. If your dashboard suddenly lights up like a Christmas tree with multiple warning messages, a failing battery is often the cause—especially if it’s the original OEM unit.
This video covers everything from diagnosing the issue, removing the air resonator and battery casing, handling the unique sealed battery enclosure with cooling fan, cleaning mating surfaces, applying dielectric grease, proper battery terminal order, and reinstalling everything correctly. After installation, I also show the results and confirm that the warning lights are cleared.
Perfect for DIYers looking to save money and avoid unnecessary dealer visits.
“Refined builds, real experiences—shared one project at a time.”
Chapters:
0:00 – Warning Lights Everywhere (Symptoms)
1:11 – Why the Battery Is Likely the Problem
1:28 – Battery Testing & Confirmation
2:34 – Removing Intake & Plastic Covers
4:38 – Battery Tie-Down & Terminal Removal
9:01 – Removing the Sealed Battery Casing
10:36 – Cleaning the Battery Tray & Housing
11:41 – Installing the New Battery
12:24 – Proper Terminal Order & Dielectric Grease
18:37 – Reinstalling Battery Case & Tie-Down
23:46 – First Startup & Results
24:31 – Reinstalling Intake & Trim Panels
27:31 – Test Drive & Final Confirmation
28:17 – Final Thoughts & Wrap-Up
#AcuraMDX
#BatteryReplacement
#DIYAuto
#CarMaintenance
#AcuraLife
#HowTo
#JNBTuning
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Disclaimer: Please note that all DIY videos are for basic information purposes only. JNB Tuning is not liable for any damages incurred when attempting to follow the information being share in the video above.
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