Frequently Asked Questions

Why is a battery important for a 2018 Ford Expedition?

• Provides stable power to start the 3.5L twin‑turbo engine and support electronics like infotainment, safety systems, and active towing features.
• A weak battery can cause poor starting, erratic electronics, and reduced towing reliability—issues that affect safety and convenience.
• Larry H. Miller Ford Mesa in Mesa, AZ diagnoses battery health quickly and helps you avoid roadside surprises with certified testing and clear recommendations.
• We offer service financing so you can get necessary work done now and pay later; schedule service at schedule service.

How long does a battery replacement take?

• Most battery replacements on a 2018 Ford Expedition take about 45–90 minutes depending on accessory resets and post‑installation programming.
• At Larry H. Miller Ford Mesa our factory‑trained technicians follow OEM procedures for safe removal and installation, minimizing wait time and ensuring systems are calibrated.
• We often complete service faster than expected while maintaining higher quality; combine savings with our service specials for extra value.
• To book a convenient time, please schedule service online and ask about service financing options.

How much does a battery cost for a 2018 Ford Expedition?

• Battery costs vary by type and capacity, but Larry H. Miller Ford Mesa often offers competitive pricing that delivers immediate and long‑term savings versus many independent options, while providing OEM quality and certified labor.
• Our pricing includes proper testing, installation, and system checks so you avoid repeat visits; we also offer service specials to reduce out‑of‑pocket cost.
• We emphasize transparency—our advisors will explain costs and warranty coverage and note that any warranty repairs must be performed at a certified dealership.
• Ready to save and protect your Expedition? Schedule service or review current service specials.

How often should you replace the battery?

• Typical battery life for modern SUVs like the 2018 Ford Expedition is 3–5 years, influenced by climate, driving patterns, and electrical load from accessories and towing.
• We recommend annual battery testing during routine service to catch decline early and preserve vehicle reliability and resale value.
• Preventive replacement at the first sign of weakness yields immediate savings (fewer tow and diagnostic costs) and long‑term benefits for engine and electronics health.
• Book a quick check when convenient—schedule service and ask about our available service financing.

What type of battery is in the 2018 Ford Expedition?

• The 2018 Ford Expedition commonly uses a high‑capacity 12V battery; many units come with an absorbed glass mat (AGM) battery to handle higher electrical demand and start/stop or towing loads.
• AGM and enhanced flooded batteries perform differently: AGM offers better vibration resistance and deeper cycling performance for heavy‑use vehicles.
• Larry H. Miller Ford Mesa stocks OEM‑equivalent battery types and ensures the correct chemistry is installed for your Expedition's electrical system and towing capacity.
• Check our service specials, then schedule service to verify the right battery and warranty options.

What size battery is in the 2018 Ford Expedition?

• The 2018 Ford Expedition typically uses a heavy‑duty group size commonly listed as a high‑capacity 12V unit (often a group equivalent to 94R/H7), but exact size varies by equipment and package.
• Our technicians confirm the correct physical group and terminal layout before installation to ensure fitment and secure connections for towing and accessory loads.
• Installing the proper size prevents charging issues and extends battery life; all warranty repairs must be performed at a certified dealership to remain valid.
• To verify your Expedition's size and get transparent pricing, schedule service and explore current service specials.