Transmission repair in King City
Slipping, hard shifts, or a delay before it goes into gear? We diagnose the transmission first, tell you exactly what it needs, and put the price in writing before any work starts. Estimates are free.
Signs your transmission needs attention
Slipping or revving without speeding up, harsh or late shifts, a delay when you put it in drive or reverse, a burning smell, red fluid under the car, or a transmission warning light. Catching it early is almost always cheaper than waiting.
What we do
Transmission diagnostics, fluid changes, clutch replacement, and manual and automatic transmission replacement, on most cars and trucks (no luxury, diesel, or EV). Every repair carries our 60-day / 5,000-mile warranty on labor and the parts we buy.
What it costs
A transmission diagnostic is $140, or $60 on your first visit. Once we know the cause, the repair estimate is free and in writing, and nothing starts until you approve it. Prices current as of September 2026.
$140, or $60 on your first visit to JM Auto Repair. Repair estimates are free and in writing.
Not for long. Slipping gets worse and can leave you stranded or cause more damage. If it slips, won’t engage, or the warning light is on, call (831) 387-7181 before driving far.
Yes, manual and automatic transmission replacement, plus clutch replacement and fluid service. We tell you honestly whether a fluid service, a repair, or a replacement makes sense for your car.
It depends on the vehicle: your owner’s manual lists the interval, and it’s shorter for towing or heavy use. We follow the manufacturer’s schedule, not a sticker template.
Most cars and trucks, yes. We don’t work on luxury, diesel, or electric vehicles.