Typically, a professional replacement takes about 1.5 to 2.5 hours for the 2.4L four-cylinder engine and around 2 to 3 hours for the 3.5L V6; DIY work can take longer, often 2 to 4 hours depending on experience and tools.
The 2013 Honda Accord offered two engine options, and the exact duration of the job depends on engine layout, belt routing, and any related components that must be detached or inspected. The following sections break down typical time ranges and the steps involved.
Time estimates by engine type
These ranges reflect common conditions in a repair shop under normal circumstances. Actual time may vary with engine type, belt condition, and access to the alternator.
- 2.4L four-cylinder engine: about 1.5–2.5 hours in a shop; 2–4 hours for a DIY job, depending on experience and tool access.
- 3.5L V6 engine: about 2–3 hours in a shop; 3–5 hours for DIY, due to a tighter engine bay and more components in the vicinity.
- Contingencies (stuck bolts, corroded pulleys, or additional belt work): can add 0.5–1 hour or more to the job.
In short, most professional replacements fall in the 1.5–3 hour range, with longer durations if extra tasks are needed or access is restricted.
What the replacement involves
Replacing the alternator follows a standard sequence, though exact steps can vary by engine and specifics of the Accord’s configuration.
Before the replacement steps, technicians typically review the system for voltage output and belt condition to ensure the replacement is necessary and to plan the job.
- Disconnect the negative battery terminal to prevent shorts or shocks during work.
- Relieve tension on the serpentine belt using the belt tensioner and remove the belt from the alternator pulley.
- Disconnect electrical connections from the alternator, including the main power lead and any sense/field wires.
- Remove the mounting bolts and brackets that secure the alternator, taking care not to damage surrounding components.
- Extract the old alternator from the engine bay.
- Install the new alternator in the reverse order, torque mounting bolts to the manufacturer’s specifications, and reconnect electrical connectors.
- Re-route and reinstall the serpentine belt, applying proper belt tension and ensuring correct routing.
- Reconnect the battery, start the engine, and verify charging system voltage and belt operation.
- Perform a short test drive or diagnostic to confirm proper operation and look for any abnormal noises or warning lights.
Following these steps, technicians test the charging system and monitor the running voltage to ensure the new alternator is charging correctly and that there are no belt or wiring issues.
DIY vs professional
If you’re weighing whether to tackle the job yourself or hire a shop, consider these factors.
- Cost and time: Shops bill for labor, so DIY can save money but requires time and the right tools.
- Tools and space: Access to a car lift or sturdy jack stands, a socket set, belt tool, and a multimeter is helpful for a DIY job.
- Warranty and risk: A shop may provide parts and labor warranties; DIY work may not have coverage if something goes wrong.
For many owners, a professional replacement offers convenience, a warranty, and a faster turnaround. DIY can save money if you have the tools and experience, but it carries a higher risk if the electrical system is mishandled.
Summary
For a 2013 Honda Accord, plan roughly 1.5–2.5 hours in a shop for the 2.4L four-cylinder and about 2–3 hours for the 3.5L V6. DIY replacements typically take longer—roughly 2–4 hours or more—depending on your mechanical skill and how easily you can access the alternator. Actual times vary with engine type, belt condition, and whether any related components must be removed or replaced. After installation, verify charging system voltage and conduct a test drive to ensure proper operation.
How much to replace the alternator on a 2013 Honda Accord?
The 2013 Honda Accord alternator replacement cost varies by vehicle build, but it could be between $350 and $800 for the part itself. Addressing issues promptly can help prevent a breakdown, and you can change it on your own or have a mechanic do it for you.
How to tell if the alternator is bad on a Honda Accord?
Common Alternator Issues
- Car won't start.
- Devices not charging.
- Burning rubber smell under the hood.
- Whining or screeching sound after the vehicle starts.
- Headlights or interior lights appear dim.
- Battery warning dashboard light is on.
How long does it take to replace an alternator in a Honda Accord?
In most cases, this job takes one to two hours. The alternator attaches to the side of the engine, and is driven by a belt. To remove the alternator, the belt is removed, the wires are disconnected, and the alternator is unbolted from its bracket.
How much is labor for alternator replacement Honda Accord?
The average cost for a Honda Accord Alternator Replacement is between $698 and $935. Labor costs are estimated between $146 and $214 while parts are priced between $552 and $721. This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed.