Automotive
Car timing, both in the shop and over the vehicle's life. How long common repairs and services take — oil changes, brake pads, alternators, transmissions — with realistic shop-time and DIY estimates plus typical cost ranges. And the ownership side: how long car batteries, tires, brake pads, and engines actually last, how far you can really drive on empty or a donut spare, and how long DMV processes like registration and title transfers take. Answers compare by vehicle type and method so you can plan repairs, replacements, and budgets realistically.
How Long Does It Take to Replace an Alternator?
1–3 hours at a mechanic shop. DIY takes 2–4 hours depending on the vehicle. Some cars with buried alternators can take 4–6 hours.
How Long Does It Take to Replace a Timing Belt?
3–8 hours of labor at a professional shop. Most 4-cylinder engines take 3–5 hours, V6 engines take 5–7 hours, and some transverse-mounted V6s or boxers can take up to 8 hours.
How Long Does It Take to Replace a Transmission?
3–5 days at a shop for a full replacement. A transmission rebuild takes 3–5 days as well. Straightforward swaps on common vehicles can sometimes be completed in 1–2 days.
How Long Does It Take to Replace Shocks and Struts?
2–4 hours to replace all four shocks and struts at a professional shop. A single axle (front or rear) takes 1–2 hours. DIY jobs take 3–6 hours total.
How Long Does It Take to Replace Spark Plugs?
30–60 minutes for most 4-cylinder cars. V6 and V8 engines take 1–3 hours due to harder-to-reach plugs, especially on transverse-mounted V6 engines.
How Long Does It Take to Tint Car Windows?
1–3 hours for professional installation. Curing takes 2–5 days (up to 2 weeks in cold weather).
How Long Does It Take to Fix a Bumper?
1–5 days for most bumper repairs. Minor scratches and scuffs take a few hours, dent repair with repainting takes 1–3 days, and full bumper replacement typically requires 3–5 days.
How Long Does It Take to Fix an AC Compressor?
3–6 hours for a car AC compressor replacement. Home AC compressor replacement takes 4–8 hours. A simple refrigerant recharge takes 30–60 minutes.
How Long Does It Take to Get a Salvage Title?
1–6 weeks depending on your state and whether you're obtaining a salvage or rebuilt title. The DMV inspection and paperwork typically take 1–2 weeks, while the full process from salvage to rebuilt title takes 3–6 weeks.
How Long Does It Take to Replace a Catalytic Converter?
1–3 hours for a direct-fit catalytic converter replacement at a shop. Universal converters requiring custom welding take 2–4 hours due to fabrication work.
How Long Does It Take to Replace a Clutch?
4–8 hours of labor at a shop. Most clutch replacements are completed in a single day. Complex vehicles like AWD or sports cars with dual-mass flywheels can take up to 10 hours.
How Long Does It Take to Replace a Water Pump?
2–4 hours at a mechanic shop for most vehicles. Engines where the water pump is driven by the timing belt can take 4–6 hours since the belt must be replaced too.
How Long Does It Take to Charge an Electric Car?
20–60 minutes at a DC fast charger, 4–10 hours at a Level 2 charger, or 24–50+ hours on a standard wall outlet.