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Standard

Automatic Transmission Hydraulic Pump Test Procedure

2020-11-09
CURRENT
J2311_202011
This SAE Recommended Practice provides a method to determine the performance characteristics of the hydraulic oil pumps used in automatic transmissions and automatic transaxles. This document outlines the specific tests that describe the performance characteristics of these pumps over a range of operating conditions and the means to present the test data. This document is not intended to assess pump durability.
Standard

Automatic Transmissions - Manual Control Sequence

2017-03-09
CURRENT
J915_201703
The scope and purpose of this SAE Recommended Practice is to provide a standard pattern or sequence for the manual control of automatic transmissions in passenger cars and light-duty trucks. This generally refers to left hand drive mechanical shift applications.
Standard

Automatic Transmissions - Schematic Diagrams

2010-04-23
HISTORICAL
J647_201004
The following schematic diagrams reflect various methods of illustrating automotive transmission arrangements. These have been developed to facilitate a clear understanding of the functional interrelations of the gearing, clutches, hydrodynamic drive unit, and other transmission components. Two variations of transmission diagrams are used: in neutral (clutches not applied) and in gear. For illustrative purposes, some typical transmissions are shown.
Standard

Automatic Transmissions - Schematic Diagrams

2019-11-19
CURRENT
J647_201911
The following schematic diagrams reflect various methods of illustrating automotive transmission arrangements. These have been developed to facilitate a clear understanding of the functional interrelations of the gearing, clutches, hydrodynamic drive unit, and other transmission components. Two variations of transmission diagrams are used: in neutral (clutches not applied), and in gear. For illustrative purposes, some typical transmissions are shown.
Standard

Automatic Transmissions—Manual Control Sequence

2007-10-22
HISTORICAL
J915_200710
The scope and purpose of this SAE Recommended Practice is to provide a standard pattern or sequence for the manual control of automatic transmissions in passenger cars and light-duty trucks. This generally refers to left hand drive mechanical shift applications.
Standard

Automotive Transmission Terminology

2009-03-03
HISTORICAL
J645_200903
The following listed definitions are intended to establish terminology and criteria for describing the various kinds of automotive transmissions. A specific arrangement may be described by a combination of several of these definitions.
Standard

Automotive Transmission Terminology

2017-08-25
CURRENT
J645_201708
The following listed definitions are intended to establish terminology and criteria for describing the various kinds of automotive transmissions. A specific arrangement may be described by a combination of several of these definitions.
Standard

Flywheels for Engine-Mounted Torque Converters

2012-06-11
CURRENT
J927_201206
This SAE Recommended Practice defines flywheel configuration to promote standardization of flywheels for engine flywheel mounted torque converters. Tables 1A and 1B and Figure 1 give dimensions for flywheels mounted-type torque converters. For torque converters using drive ring overcenter type disconnect clutch, see SAE J620.
Standard

Low Speed Continuous Slip Durability Test

2019-08-30
WIP
J3210
A standard SAE No2 machine test procedure to test the wet clutch system over a durability cycle to access the coefficient of friction Mu-V slope and shudder potential.
Standard

Park Standard for Automatic Transmissions

2016-05-26
CURRENT
J2208_201605
To provide a Recommended Practice for validating the function and integrity of an automatic transmission park mechanism with its associated control system and environment.
Standard

Passenger Car and Light Truck Automatic Transmission and Automatic Transaxle Test Code

1996-01-01
HISTORICAL
J651_199601
To provide a means of obtaining the performance characteristics of automatic transmissions and automatic transaxles. It outlines dynamometer tests that map the steady-state characteristics over a range of operations of an automatic transmission/automatic transaxle and provides a method of presenting test data. This procedure must be followed, with similar test facilities so that results obtained from different laboratories are comparable. For this SAE Recommended Practice, the transmission is defined as the complete automatic transmission or transaxle assembly between the engine and the driveshaft(s) used to effect a ratio change in transmitting power. This test procedure deals with the aspect of conducting complete transmission and transaxle assembly testing. However, by its very nature a transmission should be viewed as a compilation of three major component systems: pump, torque converter, and gearbox (all ratio change elements).
Standard

Passenger Car and Light Truck Automatic Transmission and Automatic Transaxle Test Code

1979-06-01
HISTORICAL
J651C_197906
To provide a means of obtaining the performance characteristics of automatic transmissions and automatic transaxles. It outlines dynamometer tests that map the steady-state characteristics over a range of operations of an automatic transmission/automatic transaxle and provides a method of presenting test data. This procedure must be followed, with similar test facilities so that results obtained from different laboratories are comparable. For this SAE Recommended Practice, the transmission is defined as the complete automatic transmission or transaxle assembly between the engine and the driveshaft(s) used to effect a ratio change in transmitting power. This test procedure deals with the aspect of conducting complete transmission and transaxle assembly testing. However, by its very nature a transmission should be viewed as a compilation of three major component systems: pump, torque converter, and gearbox (all ratio change elements).
Standard

Passenger Car and Light Truck Automatic Transmission and Automatic Transaxle Test Code

2005-06-22
HISTORICAL
J651_200506
To provide a means of obtaining the performance characteristics of automatic transmissions and automatic transaxles. It outlines dynamometer tests that map the steady-state characteristics over a range of operations of an automatic transmission/automatic transaxle and provides a method of presenting test data. This procedure must be followed, with similar test facilities so that results obtained from different laboratories are comparable. For this SAE Recommended Practice, the transmission is defined as the complete automatic transmission or transaxle assembly between the engine and the driveshaft(s) used to effect a ratio change in transmitting power. This test procedure deals with the aspect of conducting complete transmission and transaxle assembly testing. However, by its very nature a transmission should be viewed as a compilation of three major component systems: pump, torque converter, and gearbox (all ratio change elements).
Standard

Passenger Car and Light Truck Automatic Transmission and Automatic Transaxle Test Code

2015-06-30
CURRENT
J651_201506
The extent of test conditions on the dynamometer must be sufficient to determine the efficiency characteristics corresponding to the following range of vehicle operations in all gear ratios with locked torque converters (open converter can also be done where appropriate and noted). a Efficiency versus output speed versus input torque b Torque ratio versus output speed c Input speed versus output speed d Output torque versus output speed e Parasitic loss versus input speed (spin losses) f Cooler flow g Output torque bias (front wheel drive transaxles)
Standard

Passenger Car and Light Truck Automatic Transmission and Automatic Transaxle Test Code

1991-01-23
HISTORICAL
J651_199101
To provide a means of obtaining the performance characteristics of automatic transmissions and automatic transaxles. It outlines dynamometer tests that map the steady-state characteristics over a range of operations of an automatic transmission/automatic transaxle and provides a method of presenting test data. This procedure must be followed, with similar test facilities so that results obtained from different laboratories are comparable. For this SAE Recommended Practice, the transmission is defined as the complete automatic transmission or transaxle assembly between the engine and the driveshaft(s) used to effect a ratio change in transmitting power. This test procedure deals with the aspect of conducting complete transmission and transaxle assembly testing. However, by its very nature a transmission should be viewed as a compilation of three major component systems: pump, torque converter, and gearbox (all ratio change elements).
Standard

Symbols for Hydrodynamic Drives

2011-07-08
CURRENT
J640_201107
The following system of symbols is recommended for use in technical papers and engineering reports dealing with hydrodynamic drives.
X