Tech Resources Transmission Remanufactured Valve Bodies Article GM Identification Guides
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June 11, 2019
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GM 6T70/75/80 (Gen. 1 & 2) Identification Guide

TEHCMs
Lower Valve Bodies
Separator Plates
Gen. 1 6T70/75Gen. 2 6T70/75/80
​​​​​​​Gen. 1 GM 6T70-75 Separator Plate IDs​​​​​​​
Solenoid Dampers
Checkball


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Related Units

6T70 (Gen. 1) Transmission 6T75 (Gen. 1) Transmission 6T70 (Gen. 2) Transmission 6T75 (Gen. 2) Transmission 6T80 (Gen. 2) Transmission


Related Parts

Required

Recommended

6F50, 6F55, 6T70 (Gen. 1), 6T75 (Gen. 1) Oversized AFL/Solenoid Pressure Regulator Valve 124740-01

6F50, 6F55, 6T70 (Gen. 1), 6T75 (Gen. 1)

Oversized AFL/Solenoid Pressure Regulator Valve 124740-01

    Helps cure:
  • Solenoid performance codes
  • Wrong gear starts
  • Clutch failure

Required

Recommended

6T70 (Gen. 1), 6T75 (Gen. 1) Zip Kit® 6T70-ZIP

6T70 (Gen. 1), 6T75 (Gen. 1)

Zip Kit® 6T70-ZIP

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

Required

Recommended

6T70 (Gen. 2), 6T75 (Gen. 2), 6T80 (Gen. 2) Oversized Actuator Feed Limit Valve Kit 124740-48K

6T70 (Gen. 2), 6T75 (Gen. 2), 6T80 (Gen. 2)

Oversized Actuator Feed Limit Valve Kit 124740-48K

    Helps cure:
  • Wrong gear starts
  • Clutch failure
  • Solenoid performance codes

Required

Recommended

6T70 (Gen. 2), 6T75 (Gen. 2), 6T80 (Gen. 2) Zip Kit® 6T70-G2-ZIP

6T70 (Gen. 2), 6T75 (Gen. 2), 6T80 (Gen. 2)

Zip Kit® 6T70-G2-ZIP

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

Required

Recommended

6T70 (Gen. 2), 6T75 (Gen. 2), 6T80 (Gen. 2) Remanufactured Valve Body GM6T70-2

6T70 (Gen. 2), 6T75 (Gen. 2), 6T80 (Gen. 2)
Remanufactured Valve Body GM6T70-2

Fits '13-later only. Sold without TEHCM.

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