Transmission repair cost

Not every transmission problem needs a new transmission. Common repairs such as a fluid service, a sensor or a leaking gasket cost $100 to $900. A rebuild or replacement costs $2,000 to $7,000 or more.

Quick answer

$119 – $855common transmission repairs

Leak inspectionCommon repairsFull replacement

Most minor transmission repairs cost $119 to $855. A full replacement averages $6,238 to $6,764.

Transmission repair price list

Transmission repair price list
RepairTypical cost
Leak inspection$77 – $113
Fluid change or flush$119 – $356
Transmission position sensor$425 – $518
Transmission oil pan gasket$604 – $855
Rebuild (simpler 4-speed)$2,000 – $3,500
Replacement (national average)$6,238 – $6,764

RepairPal estimates and shop quotes reported by ConsumerAffairs (2026).

Warning signs

  • Slipping out of gear or engine revving without speeding up
  • Delayed or harsh shifts
  • Red fluid under the car
  • Burning smell
  • Check engine or transmission warning light

Get a proper diagnosis

Ask the shop to scan for transmission codes, check the fluid level and condition, and road test the car before quoting a rebuild. Many shops offer a free or low-cost check. Getting a second opinion on a $3,000+ quote is common sense.

What changes the price

  • Your vehicle. Parts for trucks, European and luxury models usually cost more, and on some engines the mechanic has to remove other parts first, which adds labor hours.
  • Where you go. Dealers often charge 25% or more above independent shops. Most shops bill about $120 to $159 an hour (AAA, citing a 2025 PartsTech survey).
  • The parts. OEM (factory) parts cost more than aftermarket or remanufactured parts. Ask which ones the estimate uses and what warranty comes with them.
  • Extras. Related parts found during the job, fluids, shop supply fees and sales tax are not included in these averages.

How to get a fair estimate

  • Ask for a written estimate that lists parts, labor hours and the shop’s hourly rate before any work starts.
  • Ask whether the quote uses OEM, aftermarket or remanufactured parts, and what warranty comes with the parts and the labor.
  • Get a second quote for any repair over a few hundred dollars. Independent shops often charge less per hour than dealers.
  • Ask the shop to show you the old part or the reading that proves it failed, and to call you before doing extra work.
  • Check for recalls and warranty coverage first: many powertrain, emissions and hybrid parts carry longer factory warranties.

Frequently asked questions

How much does it cost to fix a transmission?

Minor repairs like a fluid service, sensor or gasket cost about $119 to $855. Rebuilds start around $2,000, and replacement averages $6,238 to $6,764.

Can low fluid cause transmission problems?

Yes. Low or degraded fluid can cause slipping and harsh shifts. Check for leaks and have the fluid level checked before assuming the worst.

Sources

Prices are national averages and typical ranges from published cost data. Your price depends on your vehicle, location, parts and shop, so get a written estimate. Car Repair Atlas is not a repair shop; read our disclaimer.