Id guide

GM

4T40-E Transmission

Tech Resources View all Transmissions
Remanufactured Valve Body

Required

Required

Required

Required

Valve Body
Zip Kits

AFL Valve Sleeve Kit 33886-01K

    Helps cure:
  • Code 1811
  • 2nd Gear starts
  • Delayed Forward
  • High line pressure in Reverse
  • 1-2 Harsh
  • 2-3 Harsh
  • No 4th
  • Blown valve body gaskets
Zip Kits

Boost Valve Kit 33886-03K

    Helps cure:
  • Low line pressure
  • Delayed Reverse
  • No Reverse
  • Soft shifts
  • High line pressure
  • Harsh shifts
Zip Kits

Oversized Pressure Regulator Valve 33886-02

    Helps cure:
  • High line pressure
  • Harsh shifts
  • Hydraulic buzz
  • Low line pressure
  • Soft shifts
  • Clutch failure
  • Band failure
  • 2-3 Squawk
  • 2-3 Shudder
Zip Kits

TCC Control Valve Sleeve 33000-03

Fits '03-earlier units with .354" dia. OE TCC control valve.

    Helps cure:
  • TCC apply & release concerns
  • Overheated converter
  • Engine stall at idle
  • Loss of fuel economy
Zip Kits

TCC Regulated Apply Valve Sleeve 33000-02

    Helps cure:
  • TCC codes
  • TCC slip
  • No lockup
  • Harsh TCC apply
  • Soft TCC apply
Other
Zip Kits

Channel Plate Sleeve 33530-01K

1995 & Later

Zip Kits

Tool Kit 33000-TL

Zip Kits

Tool Kit 33886-TL2