Pioneer Cables 752257 Automatic Transmission Master Repair Kit

Automatic Transmission Master Repair Kit

Pioneer Cables 752257 is an automatic transmission master repair kit for select GM and related applications. It is built for transmission service when the unit is showing heavy slipping, worn clutch materials, or leak-related seal failure. This kit supports a full reseal and rebuild-style repair for vehicles such as the Chevrolet Silverado 1500, GMC Sierra 1500, and Chevrolet Tahoe.

Key Features

• Master-level transmission repair kit for automatic transmission service
• Includes friction clutch plates, steel plates, gaskets, seals, O-rings, pan gasket, and sealing rings
• Also includes front pump bushing, extension housing bushing, bonded valve body plate, and molded rubber clutch pistons for listed applications
• Built for resealing a transmission after disassembly or leak repair
• Part number 752257 for application-specific transmission service

Application Details

Compatible with 2007-2010 Chevrolet Silverado 1500, 2007-2011 GMC Sierra 1500, 2007-2009 Chevrolet Tahoe, and other listed Chevrolet, GMC, Hummer, Buick, Isuzu, and GMC Savana/Express applications. Fits 2011 Chevrolet Express 1500, N/A. Fits 2007-2008 Hummer H3, N/A. Fits 2007-2008 GMC Yukon XL 1500, N/A. The Pioneer Cables 752257 kit is intended for transmission service where internal wear and sealing components need to be renewed.

Common Repair Uses

• Heavy slipping caused by worn clutch plates or damaged steel plates
• Transmission fluid leaks from aged gaskets, seals, or O-rings
• Service after transmission disassembly and inspection
• Restoring sealing integrity in a worn automatic transmission
• Addressing internal wear found during overhaul-level repair

Installation Notes

Verify transmission identification and match the kit to the exact vehicle application before disassembly. Clean all mating surfaces thoroughly, inspect hard parts for wear, and replace any damaged components found during teardown. Follow factory service procedures for clutch clearance, seal placement, and torque specifications during reassembly. Part number 752257 should be matched to the transmission code and vehicle listing before installation.

Quality Assurance

Pioneer Transmission Repair Kits are offered in multiple service levels, including Master Kit coverage for comprehensive transmission repair. This kit is packaged for application-specific service and includes the sealing and friction components listed for the confirmed vehicle fitments.