AC Transmission

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About AC Transmission
AC Transmission has served Denver vehicle owners since establishing operations locally, building a reputation through consistent 5-star service reflected in their 716 client reviews averaging 4.9 stars. As a specialized transmission shop, they handle complex drivetrain repairs for passenger vehicles, light trucks, and performance cars across the Denver metro area. Their team welcomes inquiries from residents experiencing transmission slipping, delayed engagement, fluid leaks, or unexpected grinding during gear shifts. The shop maintains standard weekday hours from 7 AM to 5:30 PM, closed on weekends.
This transmission specialist distinguishes itself through transparent communication and realistic quoted timelines. Unlike dealership service departments quoting 2-month waits with premium pricing, AC Transmission completes full transmission rebuilds within 5 to 7 days from drop-off. They maintain relationships with aftermarket suppliers enablingNOS original case sourcing for vintage vehicle restorations, supporting their work on classics like the 1995 Ford F-250 referenced in recent client feedback.
Owner operators share specific positive experiences with team members including Mike, praised for friendly initial consultations that eased customer anxiety about leaving vehicles for major repairs. One client recounteda full rebuild on a high-mileage snowplow truck originally from the East Coast, requiring nearly complete component replacement. Another detailed how Mike walked through their repair options transparently before work began. The shop's willingness to show customers worn components during disassembly builds trust through visual confirmation of discussed problems.
What Customers Say
Everyone of 3 sampled reviews awards 5 stars, with customers specifically praising turnaround speed contrasting sharply against dealership timelines. Communication quality appears as a recurring theme, particularly Mike being named by multiple reviewers for initial consultation warmth. No negative patterns emerge in available feedback.
Working Hours
| Sunday | Closed |
| Monday | 7 AM–5:30 PM |
| Tuesday | 7 AM–5:30 PM |
| Wednesday | 7 AM–5:30 PM |
| ThursdayToday | 7 AM–5:30 PM |
| Friday | 7 AM–5:30 PM |
| Saturday | Closed |
Services
Transmission Diagnosis & Inspection
Complete evaluation identifying slipping, grinding, fluid contamination, or electronic sensor faults affecting shifting performance.
Transmission Rebuild
Full teardown and restoration replacing worn gears, bands, seals, clutches, and bearings with quality equivalent or OEM parts.
Transmission Fluid Exchange
System flush removing aged fluid and contaminants, replacing with manufacturer-specified ATF for optimal hydraulic function.
Clutch Replacement
Supply and installation of new clutch assemblies, pressure plates, and related components for manual transmission vehicles.
Transfer Case Repair
Service and rebuilding of 4WD and AWD transfer cases including chain, gear, and seal replacements.
Shift Kit Installation
Performance shift modifications improving engagement firmness and shift timing for driving enthusiasts.
CV Axle Service
Inspection and replacement of constant velocity joints and shafts affecting front-wheel-drive vehicle operation.