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The first Nissan/Jatco transmission, the Jatco 3N71 transmission, used a simple naming scheme: the "3" meant "3-speed", and the remainder was the series number.
The 4N71 was a 4-speed automatic transmission from Nissan Motors. It was available as either a light-duty ("L4N71B") or medium-duty ("E4N71B") unit for rear wheel drive vehicles with longitudinal engines. The latter used an electronically controlled lock up torque converter. Applications:
The fluid can be found under varying designations. GM Saturn: Aisin AF23/33-5 type T-IV P/N 88900925 (in Canada, P/N 22689186). Volvo AW55-50/51SN P/N 1161540-8. Nissan RE5F22A Nissan Matic "K" Fluid capacity 8.2 qt. (7.8L) Synthetic. Exxon/Mobil manufactures a specific synthetic mineral fluid for this transmission simply called "3309". [12]
From 1958-1968 many vehicle manufacturers continued to use the next GM automatic transmission fluid specification, the Type "A" Suffix "A" fluid, in their transmissions. In 1966, Chrysler began releasing their own automatic transmission fluid specifications; see Mopar ATF for more information. GM ATF was the same color as engine oil through 1967.
The 5R05, also called RE5R05A (Nissan part), JR507E/JR509E (Jatco part) or TG5C/TG5D "5EAT" (Subaru part), is a Jatco 5-speed automatic transmission, released in 2002, used in rear wheel drive or 4X4 vehicles with longitudinal engines. It shares little to nothing in common with the older 5R01 transmission.
The T-5 has become a popular restomod option for older and classic manual transmission cars, as the overdrive gear can improve fuel economy. [5] In general, retrofitting the T-5 is straightforward for many rear-drive Fords from the 1960s and 1970s, as they are dimensionally compatible.
In 1959, Ford released their own Type-A automatic transmission fluid specification (M2C33-A) and stopped using GM fluid specifications for their in-house transmissions. The Ford M2C33-A fluid had GM Type "A" Suffix "A" characteristics. Transmission fluid service life was fairly short, and frequent transmission oil changes were required.
The original DEXRON (B) fluid, as well as earlier GM transmission fluids, used sperm whale oil as an additive to coat internal transmission parts to prevent corrosion and rust. The U.S. Endangered Species Act banned the import of sperm whale oil, so the DEXRON (B) fluid additive package had to be reformulated. [ 13 ]