2001-2005 Duramax LB7/LLY Transgo Shift Kit Valve Body Repair Kit (ALLISON SK)

This TransGo Allison SHIFT KIT® Valve Body Repair Kit fits 2001 to 2005 General Motors vehicles equipped with the Allison 1000, 2000 and 2400 five-speed automatic transmission. Common complaints on this transmission are neutralizes under high load in 4^th or 5^th, burnt C2 clutch plates, no move forward or reverse, stuck in one gear as well as gear ratio and solenoid performance codes.

The C2 clutch is the weak link of this Allison transmission leading to 3-4 slip complaints as well as neutralizing under heavy load in 4^th and 5^th and burnt C2 clutch plates. Complaints of no move after the vehicle has been parked with the engine off for an extended period of time are due to excessive torque converter drain-back and loss of pump prime.

Corrects/Prevents/Reduces:

• Slip 3-4
• Neutralizes under load in 4^th or 5^th
• Burnt C2 and C3 friction plates
• No move after being parked for an extended time
• Loss of pump prime
• Stuck in one gear
• Codes: P0732, P0733, P0734, P0735, P0766 and P0777