(925) 516-7216

Brentwood, California

Transmission Service & Repair

We specialize in your vehicles drive train this includes: the transmission, clutch, flywheel resurfacing, transfer case, drive line, differential, axle, constant velocity, and wheel bearings.

Why bring your car to A-1 Transmission Service instead of the general repair shop.

We are transmission specialists with extensive experience in all aspects of transmission service and repair. Our experience, knowledge and diagnostic tools exceed that of a general mechanic. We can more accurately diagnose and resolve transmission problems, often saving our customers from unnecessary labor, parts, or transmission replacements.

Automatic Transmissions

Service, computer diagnosis, repair and rebuild.

Standard Transmissions

Service, repair and rebuild.

Transfer Cases

Service, computer diagnosis, repair and rebuild.


Service, gear changes, and rebuilds

Additional Services

We resurface flywheels, repair drive shafts and axles. We also perform vehicle factory maintenance services.

ASE Certified

We Also Service 4x4s

  • Transmission
  • Clutch
  • Flywheel Resurfacing
  • Transfer Case
  • Drive Line
  • Differential
  • Axle
  • Constant Velocity
  • Wheel bearings

We keep a large inventory of parts to get your car back on the road quickly.