H&M Provides the Highest Quality Repairs

At H&M Transmission, the number one Castle Rock auto repair shop, we stand behind our work!  We treat our customers like family and if there is a problem with any repair or service we perform, we’ll work to get it resolved as soon as possible!

We support all manufacturers’ warranties, and have comprehensive warranty programs for General Repair, and Transmission repairs.

General Repair Warranty

Our Castle Rock auto repair technicians exhibit the highest expertise, professionalism and attention to detail to ensure your vehicle repair is done right the first time. That’s why we back our general maintenance and repair work with a 12 month/12,000 mile warranty. If there ever is a problem with a repair or service, we’ll make every effort to get you back on the road as quickly as possible.

Our warranty covers all labor, parts, and fluids supplied, installed or serviced by our Castle Rock auto repair technicians for a period of 12 months or 12,000 miles, whichever comes first.

Transmission Warranty

At our Castle Rock auto repair shop, We use the Golden Rule Warranty supported by the Automatic Transmission Rebuilders Association (ATRA) for all of our transmission rebuilds.  H&M Transmission warrants your transmission rebuild against failure by defects in workmanship and/or materials for a minimum of 12 months/12,000 miles whichever occurs first.  We also offer extended warranties of 24 months/24,000 miles and 36 months/36,000 miles for a minimal cost.