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Automatic Transmission - 2ML70 - Specifications: Specifications Chevrolet Tahoe III

Automatic Trans

Fastener Tightening Specifications

ApplicationRef No. *QuantitySizeSpecification
MetricEnglish
A/Trans Auxiliary Fluid Pump Bolt - to Torque Dampener Housing54M6 x 1.0 x 659-13 N.m80-115 lb in
A/Trans Fluid Pan Bolt - to Case Assembly5313M8 x 1.25 x 2024-29 N.m18-21 lb ft
A/Trans Fluid Pump Cover Bolt - Torque Dampener to Case Assembly312M8 x 1.25 x 2526.5-31.5 N.m19.55-23.23 lb ft
A/Trans Fluid Pump Cover Bolt - to Torque Dampener Housing Assembly22818M6 x 1.0 x 459-13 N.m80-115 lb in
A/Trans Manual Shift Shaft Position Switch Bolt321M5 x 0.8 x 207-9 N.m62-80 lb in
A/Trans Rear Case Bolt - to Case Assembly2712M8 x 1.25 x 3026.5-31.5 N.m19.55-23.23 lb ft
A/Trans Rear Case Bolt - 2WD Output Housing Extension Assembly to Rear Case Assembly226M10 x 1.5 x 4551-61 N.m38-45 lb ft
A/Trans Torque Dampener Fluid Passage Plug - to Torque Dampener Housing81Inch Series 0.4375-209-13 N.m80-115 lb in
A/Trans Torque Dampener Fluid Passage Plug - to Torque Dampener Housing91Inch Series 0.4375-209-13 N.m80-115 lb in
Control Solenoid Valve Heat Sink (w/Body and TCM) Bolt3062M5 x 0.8 x 535-8 N.m44-71 lb in
Center Support Bolt874M6 x 1.0 x 209-13 N.m80-115 lb in
Control Valve Channel Plate Bolt30020M6 x 1.0 x 359-13 N.m80-115 lb in
Control Valve Upper Body Bolt384M6 x 1.0 x 659-13 N.m80-115 lb in
Control Valve Upper Body Bolt372M6 x 1.0 x 809-13 N.m80-115 lb in
Control Valve Lower Body Bolt3089M6 x 1.0 x 559-13 N.m80-115 lb in
Drain Plug Assembly - to Fluid Pan Assembly551Inch Series 0.125-27 NPTF30-40 N.m22-30 lb ft
Drive Motor Generator Power Inverter Module Cable Terminal Bracket Bolt (Captured Bolts, cannot be removed)6M6 x 1.0 x 159-13 N.m80-115 lb in
Generator Drive Motor Bolt706M6 x 1.0 x 209-13 N.m80-115 lb in
Electrical Harness Retaining Nut25 N.m18 lb ft
Electrical Harness Retaining Screw50 N.m37 lb ft
Fluid Cooler Pipe to Transmission Bolt22 N.m16 lb ft
Fluid Filler Tube Nut18 N.m13 lb ft
Fuel Pipe Bracket Nuts - 2WD50 N.m37 lb ft
Fuel Pipe Bracket Nuts - 4WD25 N.m18 lb ft
Fuel Line Bracket Screw7 N.m62 lb in
Hybrid Direct, 2-3-4 Clutch Support Bolt - to Rear Case Assembly4439M6 x 1.0 x 209-13 N.m80-115 lb in
Manual Shift Detent Spring Bolt401M6 x 1.0 x 169-13 N.m80-115 lb in
Park Pawl Cover Bolt - to Rear Case Assembly4545M6 x 1.0 x 209-13 N.m80-115 lb in
Power Inverter Module Cable Cover Bolt - to Case Assembly164M6 x 1.09-13 N.m80-115 lb in
Power Inverter Module Cable Retaining Bolt - to Case Assembly144M6 x 1.0 x 159-13 N.m80-115 lb in
Range Selector Lever Heat Shield Bolts17 N.m13 lb ft
Range Selector Lever Nuts25 N.m18 lb ft
Torque Dampener to Flex Plate Bolts65 N.m48 lb ft
Transmission to Engine Bolts50 N.m37 lb ft
Transmission Mount to Crossmember Nuts50 N.m37 lb ft
Transmission Mount to Transmission Bolts50 N.m37 lb ft
Transmission to Transfer Case Nuts50 N.m37 lb ft
Vehicle Speed Sensor Bolt - Output Speed Sensor to Rear Case Assembly4461M6 x 1.0 x 209-13 N.m80-115 lb in
*Reference number refers to the component callout number in Disassembled Views

Transmission General Specifications

Name2ML70
RPO CodesM99
Production LocationBaltimore, MD (USA)
Transmission DriveRear Wheel Drive
1st Gear Ratio3.692 Electric or ICE
2nd Gear Ratio1.705
3rd Gear Ratio1.000
4th Gear Ratio0.738
Reverse3.692 Electric Only
EVT Mode 1Infinity to 1.70
EVT Mode 21.70 to < .738
Torque Dampener Size347 mm
Pressure TapsLine Pressure (Main and Aux Pumps)
Transmission Fluid TypeDEXRON VI®
Transmission Type: Hybrid EVT (2)4 Forward Gears 2 EVT Modes
Transmission Type: EVT2 60 KW Internal Motors
Transmission Type: LLongitude Mount
Transmission Type: 70Product Series
Position QuadrantP, R, N, D, M
Case MaterialDie Cast Aluminum
Transmission Net Weight (Wet)167 kg (368 pounds)
Maximum Trailer Towing Capacity6000 pounds

Fluid Capacity Specifications

ApplicationSpecification
MetricEnglish
Drain Plug Only - Approximate Capacity9.93 liters10.5 quarts
Drop Pan and Filter - Approximate Capacity10.88 liters11.5 quarts
Dry Transmission (Empty) - Approximate Capacity12.30 liters13 quarts

Fluid Pump Selective Specifications

Size ClassificationThickness (mm)Thickness (in)
NOTE: Rotor and slide must be chosen from the same size classification as the oil pump body. Allowable rotor and slide to fluid pump body end play is as follows: Specification: Slide to Fluid Pump Body End Play - 0.020-0.051 mm (0.0008-0.0020 in) Rotor to Fluid Pump Body End Play - 0.020-0.051 mm (0.0008-0.0020 in) The fluid pump assembly has selective rotor and slide components. These components are chosen based on pump body dimensions. Fluid pump rotor and slide components are available in three size classifications (1, 2, 3) with the following tolerances
Rotor Selection
117.948-17.9610.7066-0.7071
217.961-17.9740.7071-0.7076
317.974-17.9870.7076-0.7081
Slide Selection
117.948-17.9610.7066-0.7071
217.961-17.9740.7071-0.7076
317.974-17.9870.7076-0.7081
Fluid Pump Body Depth
117.98-17.9940.7079-0.7084
217.994-18.0070.7084-0.7089
318.007-18.0330.7089-0.7100
NOTE
Rotor and slide must be chosen from the same size classification as the oil pump body. Allowable rotor and slide to fluid pump body end play is as follows: Specification: Slide to Fluid Pump Body End Play - 0.020-0.051 mm (0.0008-0.0020 in) Rotor to Fluid Pump Body End Play - 0.020-0.051 mm (0.0008-0.0020 in)

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