TransGo Allison 1000 Shift Kit, 2001-2005 LB7/LLY

Part# ‍ALLISONSK

$225.14

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Fits: 2001 thru 2005 Chevy Silverado/GMC Sierra 2500HD/3500HD LB7/LLY Duramax Diesel with Allison 1000 5-Speed Transmission

This TransGo Allison Shift Kit addresses common complaints of neutral/limp-mode under high load in 4th or 5th, burnt C2 clutch plates, no move forward or reverse, stuck in one gear as well as gear ratio and solenoid performance codes.

Features:

  • Corrects/reduces 3-4 slip & "limp mode"
  • Helps prevent burnt C2 & C3 friction plates
  • Friction torque capacity of C2 increased by approx. 111%, while the C3 & C4 brake is increased by approximately 100%
  • Combats loss of pump prime

Includes:

  • (2) C2 piston orifice cup plugs
  • (32) C2 piston return springs
  • (2) Drill bits
  • (2) USA-made hardened steel trim valves, balls, inner and outer springs
  • TCC limit valve spring
  • Lube regulator valve spring
  • Parking pawl pin and spring
  • Extension and pump housing gaskets

Notes:

  • Shift "firmness/feel" will be much more noticeable
  • Recommended for performance and towing applications
  • Common trouble codes this kit can help address: P0732, P0733, P0734, P0735, P0766 & P0777