Transmission Diagnostic Services

Saint Marys , OH

Automatic Transmission Repair 

12 to 36-Month Warranties 

High-Quality Service

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Ensure Your Transmission's Health Today

Catching transmission issues early can save you money and prevent future headaches. At Custom Transmission Inc, we provide thorough transmission diagnostic services in Saint Marys, OH. Our skilled team uses advanced tools to pinpoint transmission problems accurately.


Our services include:


  • Computer diagnostics
  • Road testing
  • Fluid checks
  • Visual inspections
  • Transmission pressure tests


Protect your vehicle's longevity. Call us today to book your transmission diagnostic service.


Warning Signs Your Transmission Needs Attention

Spotting early signs of transmission trouble can help you avoid major repairs.


Look out for these indicators:


  • Unusual noises
  • Gear shifting problems
  • Slipping gears
  • Delayed engagement
  • Burning smell
  • Illuminated check engine light
  • Transmission fluid leaks


If you've noticed any of these issues, bring your vehicle to Custom Transmission Inc for a thorough check-up. We're here to keep your transmission running smoothly.


Why Choose Custom Transmission Inc

For reliable transmission diagnostics and repairs in Saint Marys, OH, and nearby areas, choose us because:


  • We have over 35 years of transmission expertise
  • We're locally owned and operated
  • We offer complete automatic transmission repair
  • We prioritize service and quality
  • We use cutting-edge diagnostic equipment
  • We communicate clearly and offer honest advice


Our team is dedicated to providing excellent service and ensuring your transmission performs at its best. We take pride in delivering dependable diagnostics and repairs you can trust.


Contact Us

Prevent transmission problems from leaving you stranded. At Custom Transmission Inc, we're ready to provide expert diagnostic services to keep your vehicle running smoothly. Our friendly staff is here to answer your questions and schedule your appointment at a convenient time.


Call us today and experience the benefits of choosing a trusted, local transmission shop with decades of experience.

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Exensive Warranties

We offer warranties to keep your vehicle in check: Enjoy warranties that start at 12 months and go all the way up to 36 months.

Call for Details!

(419) 394-8866