Description

Ralph’s Transmission is your trusted solution for 6L80 transmission repairs and rebuilds. We have expert technicians, top-quality parts and a commitment to excellent customer service. We can help you get your vehicle back on the road and running its best. Call us today at 209.526.1909.

Description
6L80 series transmissions are manufactured by General Motors Corporation (GMC). This six-speed automatic transmission features five forward gears and one reverse gear. It is found on trucks, SUVs and cars from GMC brands, including Chevrolet, Cadillac and Hummer. This transmission design was used for vehicles manufactured from 2006-2021.

The GMC 6L80 transmission is prone to some common problems, especially when paired with a high-horsepower engine. Common 6L80 transmission issues include:
• Cracks in pistons, drum or clutch drum
• Slipping gears
• Skipping gears
• Clutch failure
• Reverse gear engagement failure
• Pump rotor damage
• Excessive fluid line pressure
• Shuddering, vibrations and clunking noises

The technicians at Ralph’s Transmission provide specialized experience with GMC 6L80 transmissions. We work on these transmissions regularly. We know what issues to look for when problems occur. We have the knowledge, equipment, high-quality parts and expertise to handle any 6L80 transmission repairs, maintenance or full rebuilds. We custom rebuild each transmission with all the upgrades to make them last a long time. This is why we provide our 3 Year, 100,000 Mile Warranty to cover all parts and labor.

The knowledgeable Ralph’s Transmission service team will walk you through the inspection and repair processes. We will provide accurate cost estimates upfront, along with all the information you need to make the right repair decisions. We offer fair pricing and special financing programs. We even provide free initial transmission inspections and free towing for local customers within 30 miles of our Modesto shop.

Don’t let a failing 6L80 transmission hold you back. Trust the Modesto transmission experts at Ralph’s Transmission to deliver superior service and quality repairs. Contact us today with your questions or to schedule your 6L80 transmission inspection.

Vehicles
2007-2015 Cadillac Escalade
2009-2013 Chevrolet Silverado 1500
2009-2020 Chevrolet Suburban
2009-2013 Chevrolet Avalanche
2009-2013 GMC Sierra 1500
2009-2020 GMC Yukon
2008-2009 Hummer H2