Vacuum test guide
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GM

6T45 (Gen.1) Transmission

Tech Resources View all Transmissions
Remanufactured Valve Body
Internal
Zip Kits

3-5-R Drum Saver Kit 144555K

    Helps cure:
  • Code P0776
  • Flare shifts
  • Harsh Reverse
  • No Reverse
  • 2-3 Harsh
  • No 3rd
  • 4-5 Harsh
  • No 5th
Zip Kits

Pressure Switch Rebuild Kit 144510-09K

    Helps cure:
  • Pressure switch codes
  • Pressure control out-of-range codes
  • Failsafe mode
  • Slips, flares & bind-ups
  • Harsh shifts
  • Shift codes
Pump
Zip Kits

Oversized Pressure Regulator Valve Kit 144510-01K

    Helps cure:
  • Erratic line pressure
  • Burnt clutches
  • Poor shift quality
  • Low converter & lube flow
  • Overheating
  • TCC apply & release concerns
Zip Kits

Oversized TCC Control Valve Kit 144510-05K

    Helps cure:
  • Excess TCC slip
  • Low cooler flow
  • Overheating
  • Low converter & lube flow
  • TCC apply & release concerns
  • TCC codes
  • TCC lining failure
Valve Body
Zip Kits

Checkball 10000-08

Imidized Plastic, .250" Dia.

  • Material: Imidized Plastic
  • Dia.: 0.250"
    Helps cure:
  • Lost or damaged component
Zip Kits

Compensator Feed Regulator Valve Kit 104740-09K

    Helps cure:
  • Harsh shifts
  • Downshift clunk
  • 3-4 Bump
  • Bump shifts
  • Flare shifts
  • Bind-up
  • Burnt clutches
  • Overheated fluid
Zip Kits

O-Ringed End Plug Kit 144740-02K

    Helps cure:
  • Pressure loss
  • Burnt clutches
  • Shift concerns
  • TCC apply concerns
Zip Kits

Oversized Actuator Feed Limit Valve 144740-01

    Helps cure:
  • No 4th
  • No 5th
  • No 6th
  • Low clutch oil pressure
  • Harsh shifts
  • Flare shifts
Zip Kits

Oversized Clutch Boost Valve 144740-22

    Helps cure:
  • Slip codes
  • Delayed engagement
  • 1-2-3-4 Clutch burned
  • Shift quality is not load sensitive
  • Harsh shifts
  • Slide shifts
  • Slips & flares
Zip Kits

Oversized TCC Regulator Valve Kit 144740-16K

    Helps cure:
  • Code P0741
  • Code 742
  • No lockup
  • TCC slip
  • Loss of fuel economy
  • Low TCC apply pressure
  • Overheated fluid & TCC lining
  • Harsh TCC apply
Zip Kits

Vacuum Test Plate Kit 144740-VTP

6T40/45/50, Gen. 1 only; 6F35 Gen. 1 & Gen. 2

Zip Kits

Zip Kit® 6T40-ZIP

    Helps cure:
  • Burnt clutches
  • Line pressure instability
  • Loss of fuel economy
  • No line rise
  • Pressure loss
  • Pressure switch codes
  • Shift concerns
  • TCC apply & release concerns
  • TCC codes
Other
Zip Kits

Tool Kit F-144740-TL16

Zip Kits

Tool Kit F-144510-TLC

Zip Kits

Tool Kit 144740-TL

Zip Kits

Tool Kit F-144740-TL22

Zip Kits

Tool Kit F-144510-TL5C