TRANSMISSIONS

Experienced Transmission Specialists in O'Fallon, MO


A transmission system is one of the most complex parts of a vehicle. It is a complex system of mechanics, hydraulics, electronics, and computerization that transfers power from the engine to the wheels. At Sig's Automotive, we use our years of experience working on transmissions and our knowledge, training, and tools to get your transmission running smoothly. With transmission work from our dedicated team, you can avoid future damage and maximize your vehicle's performance. Invest in high-quality automatic and standard clutch replacement, transmission repair, transmission rebuilds, and more for your foreign, domestic, and high-performance cars, trucks, and SUVs. Call 636-272-1110 in O'Fallon, MO, today to speak with our experts. 

Transmission Services We Provide


  • Fluid Exchange & Replacement
  • Filter Replacements
  • Complete Rebuilds
  • New Transmission Installations
  • Manual Transmission Repairs
  • Automatic Transmission Repairs
  • Clutch Repairs & Replacements
  • Transmission Diagnostics
  • Sump Pump or Pan Installations
  • Gasket Replacement
  • And More 

Transmission Maintenance, Is it Necessary? 


ABSOLUTELY! At Sig's Automotive, we recommend having your transmission flushed every 50-60,000 miles. Our team of experts offers full-service maintenance for your vehicle's transmission to help your car run smoothly and safely for years to come. Call us at 636-272-1110 to see if it's time for routine maintenance on your vehicle's transmission. 

Signs Your Transmission Needs Repaired or Replaced 


  • Your Vehicle Refuses to Switch Gears
  • You Notice a Burning Smell
  • Your Car, Truck, or SUV Makes Odd Noises while in Neutral
  • Your Vehicle Pops or Slips out of Gear
  • You Have a Dragging Clutch
  • Your Vehicle is Grinding or Shaking
  • You notice Leaking Transmission Fluid 

Get the best transmission repairs in O'Fallon, MO, from the expert team at Sig's Automotive. Call 636-272-1110 today to learn more. 

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