GM

6T80 (Gen. 2) Transmission

6T80 (Gen. 2) Tech Resources Valve Body Layout Vacuum Test Guide View all Transmissions
Valve Body
124740 57k

4-5-6 Accumulator Piston Kit 124740-57K

    Helps cure:
  • 3-4 Flare
  • Ratio codes
  • 4-5-6 Clutch burned
  • Slipping gears
  • 3-4 Harsh
124740 03k

Isolator Valve Kit 124740-03K

    Helps cure:
  • Low line pressure
  • Line pressure instability
  • No line rise
  • Burnt clutches
  • Harsh shifts
  • Shift concerns
124740 16

Isolator Valve Spring 124740-16

    Helps cure:
  • No line rise
  • Line pressure instability
124740 02k

O-Ringed End Plug Kit 124740-02K

    Helps cure:
  • Pressure loss
  • Shift concerns
  • Burnt clutches
  • TCC apply concerns
124740 56

Oversized Clutch Boost Valve 124740-56

Fits any of three locations.

    Helps cure:
  • Shift quality is not load sensitive
  • Harsh shifts
  • Slips & flares
  • Delayed engagement
  • Burnt clutches
  • Slide shifts
  • Slip codes
124740 14k

Oversized TCC Control Valve Kit 124740-14K

    Helps cure:
  • Excess TCC slip
  • Low cooler flow
  • Overheating
  • TCC apply & release concerns
  • Low converter & lube flow
  • TCC apply codes
  • TCC lining failure
124740 24k

Oversized TCC Regulator Valve Kit 124740-24K

    Helps cure:
  • Code P0741
  • Code 742
  • Harsh TCC apply
  • TCC slip
  • Loss of fuel economy
  • Low TCC apply pressure
  • Overheated fluid & TCC lining
Other
F 124740 tl24

Tool Kit F-124740-TL24

F 124740 tl14

Tool Kit F-124740-TL14

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