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Automatic Transmission - 6T30/6T40 - Specifications: Specifications Chevrolet Sonic I

Automatic Trans

Fastener Tightening Specifications (On Vehicle)

ApplicationRef No.*QuantitySizeSpecification
MetricEnglish
A/Trans Fluid Pump Bolt to Converter Housing
First Pass2007M8x3310 N.m89 lb in
Final Pass2007M8x3345°
A/Trans Fluid Pump Cover Bolt3023M6x18.512 N.m106 lb in
A/Trans Fluid Pump Cover Bolt32020M6x21.512 N.m106 lb in
Control Solenoid Valve Assembly (w/TCM and Body) to Case Bolt412M6x9712 N.m106 lb in
Control Solenoid Valve Assembly (w/TCM and Body) to Case Bolt63M5x40.57 N.m62 lb in
Control Valve Body Assembly (Complete) Bolt4001M5x40.57 N.m62 lb in
Control Valve Body to Case Bolt92M6x5311 N.m97 lb in
Control Valve Body to Case Bolt109M6x6011 N.m97 lb in
Control Valve Body Cover Bolt113M6x3012 N.m106 lb in
Drain Plug6411/8"-27 NPTF12 N.m106 lb in
Fluid Level Hole Plug6311/8"-27 NPTF12 N.m106 lb in
Fluid Pressure Test Hole Plug5111/8"-27 NPTF12 N.m106 lb in
Front Differential Carrier Baffle Bolt - Converter Housing2042M6x2512 N.m106 lb in
Front Differential Carrier Baffle Bolt - Case612M6x18.512 N.m106 lb in
Grommet Fasteners29 N.m80 lb in
Input Shaft Support Bolt573M6x5012 N.m106 lb in
Input Speed Sensor Bolt211M6x239 N.m80 lb in
Manual Shift Detent Spring171M6x1612 N.m106 lb in
Oil Cooler Fitting220 N.m15 lb ft
Oil Cooler Fitting to Radiator20 N.m15 lb ft
Output Speed Sensor Bolt151M6x189 N.m80 lb in
Torque Converter and Differential Housing Bolt
First Pass2714M8x3010 N.m89 lb in
Final Pass2714M8x3050°
Torque Converter to Flywheel Bolt60 N.m44 lb ft
Transmission Bolt (1, 2, 4) - 6T30 (1.4L LDD, L2N, L2I)60 N.m44 lb ft
Transmission Bolt (2, 3, 4) - 6T30 (1.6L LDE, LFJ and 1.8L LUW, LWE)60 N.m44 lb ft
Transmission Bolt (5) - 6T30 (1.6L LDE, LFJ and 1.8L LUW, LWE)40 N.m30 lb ft
Transmission Bracket Mount to Mount Through Bolt80 N.m plus 45-60 degrees59 lb ft plus 45-60 degrees
Transmission Control Fasteners49 N.m80 lb in
Transmission Fluid Cooler Outlet Pipe Nut22 N.m17 lb ft
Transmission Fluid Cooler Pipe Inlet Nut22 N.m17 lb ft
Transmission Mount Bolt - Left Side to Body58 N.m43 lb ft
Transmission Mount Bolt - Left Side to Transmission50 N.m plus 60-75 degrees37 lb ft plus 60-75 degrees
Transmission Mount Bracket to Transmission Bolt - Rear100 N.m plus 30-45 degrees74 lb ft plus 30-45 degrees
Transmission Mount to Frame Bolt100 N.m74 lb ft
Transmission Mount Nut - Left Side to Body58 N.m43 lb ft
Transmission Nut (1) - 6T30 (1.6L LDE, LFJ and 1.8L LUW, LWE)40 N.m30 lb ft
Transmission Nut (1) and Bolt (3) - 6T30 (1.4L LDD, L2N, L2I)40 N.m30 lb ft
Transmission Range Selector Cable Bracket Bolt18 N.m14 lb ft
Transmission Range Selector Lever Nut30 N.m22 lb ft
*Reference number refers to the component callout number in Disassembled Views

Fastener Tightening Specifications (On Vehicle)

Fastener Tightening Specifications (Off Vehicle)

ApplicationRef No.*QuantitySizeSpecification
MetricEnglish
A/Trans Auxiliary Fluid Pump Outlet Bolt (Hybrid Models)350422 N.m16 lb ft
A/Trans Auxiliary Fluid Pump Bolt (Hybrid Models)355122 N.m16 lb ft
A/Trans Auxiliary Fluid Pump (Pump to Motor) Bolt (Hybrid Models)370410-12 N.m89-106 lb in
A/Trans Fluid Pump Bolt to Converter Housing
First Pass2007 - 6T30, 8 - 6T40/45/50M8x3310 N.m89 lb in
Final Pass200M8x3345°
A/Trans Fluid Pump Cover Bolt3023 - 6T30, 23 - 6T40/45/50M6x2512 N.m106 lb in
A/Trans Fluid Pump Cover Bolt32020 - 6T30M6x21.512 N.m106 lb in
Control Solenoid Valve Assembly (w/TCM and Body) to Case Bolt412M6x9710 N.m89 lb in
Control Solenoid Valve Assembly (w/TCM and Body) to Case Bolt63M5x40.57 N.m62 lb in
Control Valve Body Assembly (Complete) Bolt4001M5x40.57 N.m62 lb in
Control Valve Body to Case Bolt92M6x5311 N.m97 lb in
Control Valve Body to Case Bolt109M6x6011 N.m97 lb in
Control Valve Body Cover Bolt113M6x3012 N.m106 lb in
Drain Plug6411/8"-27 NPTF12 N.m106 lb in
Fluid Level Hole Plug6311/8"-27 NPTF12 N.m106 lb in
Fluid Pressure Test Hole Plug5111/8"-27 NPTF12 N.m106 lb in
Front Differential Carrier Baffle Bolt - Converter Housing2042M6x2512 N.m106 lb in
Front Differential Carrier Baffle Bolt - Case612M6x18.5 - 6T30, M6x16 - 6T40/45/5012 N.m106 lb in
Input Shaft Support Bolt573M6x5012 N.m106 lb in
Input Speed Sensor Bolt211M6x239 N.m80 lb in
Manual Shift Detent Spring171M6x1612 N.m106 lb in
Output Speed Sensor Bolt151M6x189 N.m80 lb in
Torque Converter and Differential Housing Bolt
First Pass2714 - 6T30, 15 - 6T40/45/50M8x3010 N.m89 lb in
Final Pass27M8x3050°
*Reference number refers to the component callout number in Disassembled Views

Fastener Tightening Specifications (Off Vehicle)

Transmission General Specifications (6T30)

Name6T30
RPO CodesMH9
Production LocationKorea/China
Transmission DriveFront Wheel Drive
Reverse Gear Ratio2.87
1st Gear Ratio4.449
2nd Gear Ratio2.908
3rd Gear Ratio1.893
4th Gear Ratio1.446
5th Gear Ratio1.000
6th Gear Ratio0.742
Effective Final Drive Gear Ratio2.84/3.14/3.37/3.72/4.11
Torque Converter Size- Diameter of Torque Converter Turbine220 mm
Pressure TapsLine Pressure
Transmission Fluid TypeDEXRON VI®
Transmission Fluid Capacity7.5 L/8.0 qts Quarts
Transmission Type: 6Six Forward Gears
Transmission Type: TTransverse Mount
Transmission Type: 30Product Series
Position QuadrantP, R, N, D, * *(Refer to the applicable owner's manual)
Case MaterialDie Cast Aluminum
Transmission Net Weight72 kg (159 lbs)
Maximum Trailer Towing CapacityN/A
Maximum Gross Vehicle Weight (GVW)2268 kg (5,000 lbs)

Transmission General Specifications (6T30)

Transmission General Specifications (6T40/45/50)

Name6T40/6T45/6T50
RPO CodesMH8, MH7, MHK, MHH, MHC, MHJ, MNH, MHB
Production LocationKorea/China/Mexico/Toledo
Transmission DriveFront Wheel Drive
Reverse Gear Ratio2.94
1st Gear Ratio4.584
2nd Gear Ratio2.964
3rd Gear Ratio1.912
4th Gear Ratio1.446
5th Gear Ratio1.000
6th Gear Ratio0.746
Effective Final Drive Gear Ratio2.64/2.89/3.23/3.53/3.87
Torque Converter Size- Diameter of Torque Converter Turbine236 mm
Pressure Taps LinePressure
Transmission Fluid TypeDEXRON VI®
Transmission Fluid Capacity8.0 L/8.5 Quarts
Transmission Type: 6Six Forward Gears
Transmission Type: TTransverse Mount
Transmission Type: 40/45/50Product Series
Position QuadrantP, R, N, D, * *(Refer to the applicable owner's manual)
Case MaterialDie Cast Aluminum
Transmission Net Weight81/86 kg (178/190 lbs)
Maximum Trailer Towing CapacityN/A
Maximum Gross Vehicle Weight (GVW)6T40 - 2000 kg (4,409 lbs) 6T45 - 2200 kg (4,850 lbs) 6T50 - 2500 kg (5,511 lbs)

Transmission General Specifications (6T40/45/50)

Fluid Capacity Specifications (6T30)

ApplicationSpecification
MetricEnglish
Valve Body Cover Removal - Approximate Capacity4.0-5.0 liters4.2-5.3 quarts
Fluid Change - Drain Plug - Approximate Capacity4.5-5.5 liters4.75- 5.8 quarts
Overhaul - Approximate Capacity7.62 liters8.05 quarts

Fluid Capacity Specifications (6T30)

Fluid Capacity Specifications (6T40/45/50)

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 Capacity8.0-8.5 liters8.5-9.0 quarts

Fluid Capacity Specifications (6T40/45/50)

Fluid Pump Selective Specifications

Fluid Pump Body Pocket DepthFluid Pump Gear Thickness
MetricEnglishMetricEnglish
12.617-12.625 mm0.4967-0.4970 in12.580-12.588 mm0.4952-0.4955 in
12.626-12.636 mm0.4970-0.4974 in12.589-12.599 mm0.4956-0.4960 in
12.637-12.645 mm0.4975-0.4978 in12.600-12.608 mm0.4960-0.4963 in

Fluid Pump Selective Specifications

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