Get ready for 80 Years of General Motors Automatic Transmission Fluid History! Learn the incredible story with authentic transmissions and fluids never before seen on YouTube.

TIMELINE:
0:00 Introduction
0:58 Base Oil Stock Categories for transmission Fluid
5:45 1938 Automatic Safety Transmission
6:35 Motor oil used as transmission fluid
7:55 1940 Hydra-Matic Drive
8:56 GM No. 1 Automatic Transmission Fluid for Hydra-Matic Drive
13.19 1948 Buick Dynaflow
15:55 1949 Type-A Fluid Specification
22.50 1950 Chevrolet Cast Iron Powerglide
26.18 1956 2nd Generation Controlled Coupling Hydra-Matic
27:14 MUST SEE the Controlled Coupling
28:28 1957 Type-A Suffix A Fluid Specification
30.38 MUST SEE 1957 Chevrolet Turboglide
34:49 MUST SEE Counterfeit Fluids
36:35 MUST SEE Red Dyed Fluid
38.44 1961 3rd Generation Roto Hydra-Matic
42:32 1964 Corporate Transmission begins
42.58 1964 TH 400 3-Speed Transmission Release
43.22 1966 TH 375, 400, 475 RWD, and 425 FWD 3-Speed Transmissions are released
43:42 1967 Dexron (B) Fluid Specification
47.03 1969 TH 180 and TH 350 3-Speed Transmission release
47:25 1971 Base Stock Oil improvements
47:44 1973 Dexron II (C) Fluid Specification
48:38 1974 Synthetic Base Oil Production begins
49:01 1989 Mobil 1 Synthetic ATF Released
49:31 1978 Dexron II (D) Fluid Specification
50.48 1976 TH 200 and 250 3-Speed Transmission release
50.55 1978 TH 325 FWD 3-Speed Transmission release
51:00 1979 The Torque Converter Clutch (TCC)
52.10 1979 TH 200C and 250C 3-Speed Transmission w/TCC
52.35 1980 TH 125 FWD 3-Speed Transmission w/TCC
52.40 1981 TH 350 3-Speed Transmission w/TCC
52.50 1982 TH 200-4R 4-Speed Transmission w/TCC
53.00 1982 TH 325-4L FWD 4-Speed Transmission w/TCC
53.17 1982 TH 700-R4 4-Speed Transmission w/TCC
53.25 1984 TH 440-T4 FWD 4-Speed Transmission w/TCC
53:45 Electronic Controlled Transmissions
54.05 1991 4L80-E 4-Speed Transmission w/TCC
54:48 1992 Dexron II (E) Fluid Specification
55:28 1993 Improvements in Base Stock Oil (Group III)
56:30 1993 American Petroleum Institute (API) creation of Base Stock Oil Categories
56:39 1993 Improvements in Base Stock Oil (Group II+)
57:50 1995 Dexron III (F) Fluid Specification
59:05 MUST SEE Fluid Service Interval Discussion
1:00:50 1997 Electronic Controlled Clutch Capacity (ECCC) TCC
1:03:45 1998 Dexron III (G) Fluid Specification
1:03:55 2000 Allison 1000 and 5L40-E 5-Speed Transmissions w/TCC
1:04:25 2003 Dexron III (H) Fluid Specification
1:04:49 2011 Dexron III (H) Inactivation
1:04:55 MUST SEE 2016 Dexron III (H) MANUAL TRANSMISSION Fluid Specification at
1:05:52 2005 Dexron VI (J) Fluid Specification
1:06:18 2006 6L80 Transmission w/ECCC
1:06:40 MUST SEE Dexron VI Fluid Synthetic Base Oil
1:07:47 2007 6T70 Transmission w/ECCC
1:08:10 MUST SEE Aftermarket Fluid Warning
1:11:19 2011 4ET50 Chevrolet Volt Transmission
1:12:10 2016 5ET50 Chevrolet Volt Transmission
1:12:40 2013 Dexron HP Synthetic Fluid Specification
1:13:08 2015 8L90 and 8L45 Transmissions w/ECCC
1:13:55 2017 Mobil 1 LV ATF HP Synthetic Fluid Specification Revision
1:16:25 2017 1ET50 Chevrolet Bolt EV Gear Reducer
1:16:38 2014 Dexron ULV Fluid Specification
1:16:50 2017 10L90 10-Speed Transmission w/ECCC
1:17:08 2018 9T35 9-Speed FWD Transmission w/ECCC
1:17:40 Additional Dexron ULV Fluid information
1:19:39 80 Years of ATF History Summary

Questions for Teachers:
1. What fluid was used in the 1940 Hydramatic?
2. What fluid was used in the 1948 Buick Dynaflow?
3. What fluid was used in the 1957 Chevrolet Powerglide?
4. Why was red dye added in the 1960s?
5. What year was the original Dexron (B) released?
6. Why was a revised Dexron II (C) released in 1973?
7. Why was Dexron II (D) released in 1978?
8. Why was Dexron II (E) released in 1991?
9. Why was Dexron III (G) released in 1998?
10. Why was Dexron VI (J) released in 2006?
11. Why was Dexron HP released in 2013?
12. Why was Dexron ULV released in 2014?
13. Are all versions of Dexron fluids compatible with each other?
14. What is the problem with using universal ATF or multi-vehicle ATF?

ABOUT US:
Weber State University (WSU) - Department of Automotive Technology - Transmission Lab.
This is the second of a five-part series on the History of Automatic Transmission Fluids. This information applies to almost any vehicle on the road today, including hybrid and electric vehicles.

WSU is a leader in Advanced Vehicle Systems education. This topic is taught as part of our 2-year Associate degrees and our 4-year bachelor's degree program. For information on joining the Weber Automotive program, visit: http://www.weber.edu/automotive

This video was created and edited by Professor John D. Kelly at WSU. For a full biography, see http://www.weber.edu/automotive/J_Kel...

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