TransGo 4L80E-HD2 Reprogramming Kit
TRANSGO
TransGo 4L80E-HD2 Reprogramming Kit
Designed for 1991–2013 GM vehicles with 4L80E/4L85E transmissions, this kit addresses common issues like soft 2-3 shifts, burnt clutches, and broken parts while improving overall performance and durability.
Key Features
- Calibrated components for improved durability and shift feel.
- Triple separator plate triples 3rd gear clutch torque capacity.
- Boost valve resists wear for consistent pressure regulation.
- Relief valve prevents runaway boost pressure, protecting critical parts.
Fixes & Improvements
- Prevents high-pressure parts breakage
- Fixes soft 2-3 shifts and burnt clutches
- Resolves error codes (e.g., P0731, P0734, P0894)
- Enhances downshift response
Includes
- Laminated triple separator plate
- Heavy-duty intermediate case snap ring
- Hardened boost valve and bushing
- Pressure regulator valve spacer and springs
- Direct clutch return springs and more
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