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Automatic Transmission - 6T70/6T75 - Specifications: Specifications GMC Acadia I

Automatic Trans

Fastener Tightening Specifications

ApplicationRef No.QuantitySizeSpecification
MetricEnglish
A/Trans Case Cover Bolt1810M6x1.0x3012 N.m106 lb in
A/Trans Fluid Pump Bolt13M6x1.0x2512 N.m106 lb in
A/Trans Fluid Trough Bolt111M6x1.0x2512 N.m106 lb in
Control Valve Body Assembly (Complete) Bolt19, 213M6x1.0x5512 N.m106 lb in
Control Valve Body Assembly (Complete) Bolt203M6x1.0x3512 N.m106 lb in
Control Valve Body Assembly (Complete) Bolt225M6x1.0x6512 N.m106 lb in
Control Valve Body to Case232M6x1.0x5512 N.m106 lb in
Control Valve Body to Case Bolt248M6x1.0x6512 N.m106 lb in
Control Valve Assembly (w/TCM and Body) to Case Bolt251M6x1.0x4212 N.m106 lb in
Control Valve Assembly (w/TCM and Body) to Case Bolt261M6x1.0x5512 N.m106 lb in
Control Valve Assembly (w/TCM and Body) to Case Bolt272M6x1.0x6512 N.m106 lb in
Control Valve Assembly (w/TCM and Body) to Case Bolt284M6x1.0x8012 N.m106 lb in
Control Valve Assembly (w/TCM and Body) to Case Bolt293M6x1.0x9512 N.m106 lb in
Control Valve Body Cover Bolt3012M6x1.0x3012 N.m106 lb in
Control Valve Body Cover Stud312M6x1.0x3012 N.m106 lb in
Fluid Cooler Fitting at Radiator20 N.m15 lb ft
Fluid Cooler Outlet Hose Retainer Nut to Control Valve Body Cover12 N.m106 lb in
Fluid Cooler Pipe Nut22 N.m16 lb ft
Fluid Pressure Test Hole Plug1211/8"-27 NPTF12 N.m106 lb in
Fluid Level Hole Plug1311/8"-27 NPTF12 N.m106 lb in
Front Differential Carrier Baffle Bolt61M6x1.0x2512 N.m106 lb in
Front Differential Transfer Drive Gear Support Bolt
First Pass59M8x1.25x2510 N.m89 lb in
Final Pass59M8x1.25x2550 degrees
Input Shaft Support Bolt (Torx)N/A3M6x1.0x5012 N.m106 lb in
Input Speed Sensor Bolt171M6x1.0x259 N.m80 lb in
Output Speed Sensor Bolt141M6x1.0x2512 N.m106 lb in
Park Pawl Actuator Bracket Bolt102M6x1.0x2512 N.m106 lb in
Shift Control Knob Retaining Screw4 N.m35 lb in
Support Fluid Passage Tube (Torx) Bolt22M5x0.8x127 N.m62 lb in
Support Fluid Passage Tube Bolt32M6x1.0x1512 N.m106 lb in
Torque Converter and Differential Housing Bolt814M8x1.25x3536 N.m27 lb ft
Torque Converter and Differential Housing Bolt93M8x1.25x3530 N.m22 lb ft
Torque Converter to Flywheel Bolt62 N.m46 lb ft
Transaxle Brace Bolts50 N.m37 lb ft
Transaxle Mount Bracket Bolt - See Procedure
Bolt No. 160 N.m44 lb ft
Bolt No. 2, 390 N.m66 lb ft
Transaxle Mount Nuts - Must use new nuts and threadlocker - See Procedure
Nut No. 160 N.m44 lb ft
Nut No. 275 N.m55 lb ft
Transaxle Range Selector Cable Bracket Bolt25 N.m18 lb ft
Transaxle Range Switch Lever Nut25 N.m18 lb ft
Transaxle Shift Control Nut25 N.m18 lb ft
Transaxle to Engine Bolt75 N.m55 lb ft
Transmission Cooler Pipe (External Torx) Stud152M8x1.25x30.512 N.m106 lb in
Transmission Fluid Cooler Pipe Quick Connect Fitting38 N.m28 lb ft
Transmission Fluid Cooler Pipe Mounting Nuts22 N.m16 lb ft
Wiring Harness Retainer to Control Valve Body Cover Stud12 N.m106 lb in
*Reference number refers to the component callout number in Disassembled Views

Transmission General Specifications

Name6T70/6T75
RPO CodesMH2, MH4 / MY9, MH6
Production LocationWarren Michigan (USA)
Transaxle DriveFront Wheel Drive, All Wheel Drive
Reverse Gear Ratio2.88
1st Gear Ratio4.484
2nd Gear Ratio2.872
3rd Gear Ratio1.842
4th Gear Ratio1.414
5th Gear Ratio1.000
6th Gear Ratio0.742
Effective Final Drive Gear Ratio2.77/3.16
Torque Converter Size - Diameter of Torque Converter Turbine246 mm
Pressure TapsLine Pressure
Transaxle Fluid TypeDEXRON VI®
Transaxle Fluid Capacity9.0 L/9.5 qts Quarts
Transaxle Type: 6Six Forward Gears
Transaxle Type: TTransverse Mount
Transaxle Type: 70/75Product Series
Position QuadrantP, R, N, D, * *(Refer to the applicable owner's manual)
Case MaterialDie Cast Aluminum
Transaxle Net Weight104 kg
Maximum Trailer Towing CapacityN/A
Maximum Gross Vehicle Weight (GVW)4,000 lbs

Fluid Capacity Specifications

ApplicationSpecification
MetricEnglish
Valve Body Cover Removal - Approximate Capacity5.0-7.0 liters5.3-7.4 quarts
Fluid Change - Drain Plug - Approximate Capacity4.0-6.0 liters4.2- 6.3 quarts
Overhaul - Approximate Capacity7.0-9.0 liters7.4-9.5 quarts

Taper Bearing Preload Selective Specifications

Thrust Washer O.D. Color CodeWasher Thickness
MetricEnglish
Brown0.494 mm0.020 in
Purple0.545 mm0.022 in
Black0.596 mm0.024 in
Pink0.647 mm0.026 in
Dark Blue0.698 mm0.028 in
Light Green0.749 mm0.030 in
Plain0.800 mm0.032 in
White0.851 mm0.034 in
Light Blue0.902 mm0.036 in
Orange0.953 mm0.038 in
White/Black1.004 mm0.040 in
White/Orange1.055 mm0.042 in
White/Light Green1.106 mm0.044 in

Front Differential Drive Pinion Gear and Differential Thrust Washer Selection Chart

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