Attention: We are closed June 30th to July 4th. Will re-open on July 7th.
Manual transmissions demand precision engineering and specialized knowledge. From worn clutch plates to damaged synchros and shifting forks, manual gearbox issues require expert diagnosis and skillful rebuilding techniques.
At Guardian Transmission, we specialize in repairing and rebuilding manual transmissions in-house using OEM and performance-grade components that meet or exceed factory specifications. We identify and reinforce common failure points that manufacturers overlook, creating more durable, smoother-shifting transmissions that deliver the driving engagement you love.
Before recommending any manual transmission repair, we conduct a comprehensive diagnostic process that typical shops rush or outsource. Our manual transmission specialists begin with a thorough test drive, assessing clutch engagement, gear selection ease, and synchronizer performance across all shifting points. Next, we perform a detailed mechanical inspection, checking linkage adjustments, clutch hydraulics, and input shaft play.
Finally, we examine your transmission fluid for metal particles and conduct specialized tests to isolate internal issues. This methodical approach means we can often save you from a complete rebuild when a targeted repair will resolve the problem.
Specialized testing procedures that identify exact failure points for targeted, cost-effective repairs.
Expert installation of performance-grade clutch components with proper adjustment for optimal feel and durability.
Precision-engineered rebuilds with upgraded components that deliver smoother shifts and enhanced durability.
Professional adjustment and repair of shift mechanisms for precise gear selection and driver feedback.
When your manual transmission deserves true craftsmanship, choose specialists who understand the intricacies of manual gearboxes, from classic 4-speeds to modern 6-speed transmissions. We rebuild every manual transmission with precision craftsmanship and upgraded components where it matters most.
A short drive down I-575 for transmission expertise worth the trip.
Quick-response service available for Alpharetta drivers—just a short drive from our main shop.
From Medlock Bridge to State Bridge Road, Johns Creek drivers rely on us for honest, expert transmission care.
Easily accessible via GA-400 and East-West Connector.
Many Roswell residents choose us for our specialized transmission skills.
Reliable transmission repair for Mountain Park drivers, with expert care and no dealership runaround.
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