Transmission Service in San Antonio, TX
1,310 Google reviews · 3 locations, walk-ins welcome
Martinez Tire & Auto Center services transmissions at our O'Connor Rd shop in San Antonio. Transmission service replaces worn fluid, and the filter on transmissions that have one, using the fluid type your vehicle specifies. Fresh fluid keeps shifts smooth and protects the transmission from heat, which is its biggest enemy.
Transmission Service
12040 O'Connor Rd
Transmission Service
Transmission fluid lubricates, cools, and in an automatic, it is what transfers power and makes the shifts happen. Over time heat breaks it down. Fluid that started bright red turns dark and can smell burnt. At that point it is not protecting the transmission the way it should.
A transmission service typically includes:
- Draining or exchanging the old fluid
- Replacing the filter and pan gasket on transmissions that have a serviceable filter
- Refilling with the exact fluid type your manufacturer specifies
- Checking for leaks and verifying the fluid level at the right temperature
How often
Service intervals vary widely. Some manufacturers call for it every 30,000 to 60,000 miles under severe conditions, while others list fluid as long life. The severe schedule applies to a lot of San Antonio driving: towing, stop and go traffic, and summer heat.
Using the correct fluid matters. Many modern transmissions are designed around a specific fluid, and the wrong one can cause shifting problems. We use what your vehicle calls for.
Part of our transmission shop
Transmission service is done at our transmission shop at 12040 O'Connor Rd. If the transmission is already slipping or shifting hard, start with transmission repair so we can diagnose it first. Other fluids are covered on our fluid services page.
Questions we hear
What color should transmission fluid be?
Most automatic transmission fluid starts red or pink. Dark brown fluid or a burnt smell means it is overdue for service or there may be a problem.
Is a transmission flush bad for high mileage cars?
It depends on the vehicle and its history. We will recommend a drain and fill or an exchange based on what makes sense for yours.
My manual says lifetime fluid. Do I still need service?
Lifetime often assumes normal driving. With towing, heat, and heavy traffic, many owners choose to service it anyway. Ask us about your vehicle.
Transmission Service at our 12040 O'Connor Rd location
This is the Martinez location that does it. Walk in, or call (210) 646-8911 first to check the wait. Hablamos español.