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GM 4T60-E transmission

January 01, 1970

The 4T60-E (and similar 4T65-E) is a series of automatic transmissions from General Motors. Designed for transverse engine configurations, the series includes 4 forward gears. The 4Txx family is an evolution of the original Turbo-Hydramatic 125 transverse automatic introduced in the late 1970s and the Turbo-Hydramatic 440 transmission developed in the mid-1980s.

4T60-E/4T65-E
Overview
ManufacturerGeneral Motors
Production1990–2011
Body and chassis
Class4-speed transverse automatic transmission
Chronology
PredecessorTurbo-Hydramatic 125
Successor6T70

The "-E" transmission is electronically controlled and features an automatic overdrive transaxle with an electronically controlled torque converter clutch.

The 4T65 is built at Warren Transmission in Warren, Michigan.

4T60-E edit

Main article: Turbo-Hydramatic 125

For 1991 GM introduced the 4T60-E which was a 4T60 with electronic controls, first seen on the new Buick Park Avenue. One benefit was that the cruise control was integrated into the gearbox' electronic control module, improving the ability to maintain a set speed while avoiding needless shifting, thus lowering fuel consumption and noise levels.[1] By the mid-1990s, the 4T60-E was the transmission of choice in nearly every front-wheel drive GM vehicle with the exception of compacts. A heavy-duty 4T60-E HD was produced in 1996 for the supercharged GM 3800 engine and reused in mid 2005 to 2009 with an LS4 5.3 liter V8 in four different models the Buick Lacrosse Super, Chevrolet Impala SS, Chevrolet Monte Carlo SS, and Pontiac Grand Prix GXP. The 4T60-E was phased out in favor of the 4T65 beginning in 1997.

The 4T60-E featured a 245 mm (9.6 in) torque converter with varying stall speed and gear ratios. For example, a 1995 Beretta features a 1650 rpm stall converter as opposed to a 1999 Century converter with a stall of 2095 rpm. In the 4T60 family of transmissions, the combination of drive-chain sprocket ratios and the differential gear ratio together offer up to 12 different possible final drive ratios to allow the transmission family to cover various engine and vehicle applications.

Replacing a complete transaxle should only be done if a unit is verified to be the same as the unit it replaces, as in addition to the up to 12 variants of the final drive ratio, different applications and years can and will have incompatible electrical connectors. The use of an incorrect transaxle will result in undesired operation, up to and including total non-functioning of the transaxle.

Gear ratios:

1 2 3 4 R
2.921 1.568 1.000 0.705 2.385

Applications:

4T65-E edit

The 4T65-E was introduced to replace the 4T60-E in 1997. The 4T65-E included a larger 258 mm torque converter for some models and many other changes to improve reliability. It is able to handle vehicles up to 6500 lb (2948 kg) GVWR with up to 280 ft·lbf (380 N·m) of torque. A number of final drive ratios are available, with many distinct models. Starting in mid year 2000 models, all 4T65-E models received an upgraded valve body. Starting in 2003 the internal electronics were changed, hardened 4th gear shaft, ratcheting sprags for input and third gear were added. The last application was the 2011 Chevrolet Impala as GM has transitioned to the 6T70 family transmissions for 2012.[2][3]

Models:

  • M15 — 245 mm (9.6 in) torque converter
  • MN3 — 258 mm (10.2 in) torque converter
  • MN7 — 258 mm (10.2 in) torque converter and heavy-duty gearbox (see 4T65E-HD)
  • MD7 — 245 mm (9.6 in) torque converter (Chinese version)
  • M76 — 245 mm (9.6 in) torque converter (with all-wheel drive capability)

Gear ratios:

1 2 3 4 R
2.921 1.568 1.000 0.705 2.385

Applications:

4T65E-HD edit

The 4T65E-HD (code MN7) is a heavy duty version of the 4T65-E used with more powerful engines such as the LS4 V8 and L67/L32 supercharged V6.

Applications:

References edit

  1. ^ Pietrangelo, Joel D. (April 1990). "Park Avenue gets electronic transaxle". Ward's Auto World. 26 (4). Ward's Communications: 75.
  2. ^ "4T65E transmission".
  3. ^ Bowman, Zach. "Aging Chevy Impala gets standard 302-hp V6 for 2012". Autoblog.

See also edit

January 01, 1970
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This article relies largely or entirely on a single source Relevant discussion may be found on the talk page Please help improve this article by introducing citations to additional sources Find sources GM 4T60 E transmission news newspapers books scholar JSTOR April 2019 The 4T60 E and similar 4T65 E is a series of automatic transmissions from General Motors Designed for transverse engine configurations the series includes 4 forward gears The 4Txx family is an evolution of the original Turbo Hydramatic 125 transverse automatic introduced in the late 1970s and the Turbo Hydramatic 440 transmission developed in the mid 1980s 4T60 E 4T65 EOverviewManufacturerGeneral MotorsProduction1990 2011Body and chassisClass4 speed transverse automatic transmissionChronologyPredecessorTurbo Hydramatic 125Successor6T70 The E transmission is electronically controlled and features an automatic overdrive transaxle with an electronically controlled torque converter clutch The 4T65 is built at Warren Transmission in Warren Michigan Contents 1 4T60 E 2 4T65 E 2 1 4T65E HD 3 References 4 See also4T60 E editMain article Turbo Hydramatic 125 For 1991 GM introduced the 4T60 E which was a 4T60 with electronic controls first seen on the new Buick Park Avenue One benefit was that the cruise control was integrated into the gearbox electronic control module improving the ability to maintain a set speed while avoiding needless shifting thus lowering fuel consumption and noise levels 1 By the mid 1990s the 4T60 E was the transmission of choice in nearly every front wheel drive GM vehicle with the exception of compacts A heavy duty 4T60 E HD was produced in 1996 for the supercharged GM 3800 engine and reused in mid 2005 to 2009 with an LS4 5 3 liter V8 in four different models the Buick Lacrosse Super Chevrolet Impala SS Chevrolet Monte Carlo SS and Pontiac Grand Prix GXP The 4T60 E was phased out in favor of the 4T65 beginning in 1997 The 4T60 E featured a 245 mm 9 6 in torque converter with varying stall speed and gear ratios For example a 1995 Beretta features a 1650 rpm stall converter as opposed to a 1999 Century converter with a stall of 2095 rpm In the 4T60 family of transmissions the combination of drive chain sprocket ratios and the differential gear ratio together offer up to 12 different possible final drive ratios to allow the transmission family to cover various engine and vehicle applications Replacing a complete transaxle should only be done if a unit is verified to be the same as the unit it replaces as in addition to the up to 12 variants of the final drive ratio different applications and years can and will have incompatible electrical connectors The use of an incorrect transaxle will result in undesired operation up to and including total non functioning of the transaxle Gear ratios 1 2 3 4 R 2 921 1 568 1 000 0 705 2 385 Applications 4T60 E 1994 1999 Buick Century 1992 1997 Buick LeSabre 3800 V6 L27 1991 1996 Buick Park Avenue V6 3 8 L 1991 Buick Reatta 3800 V6 1993 1997 Buick Regal 1991 1993 Buick Riviera 3800 V6 1995 1996 Buick Riviera L67 amp L36 1994 1998 Buick Skylark 1991 1993 Cadillac DeVille 4 9L V8 1991 1992 Cadillac Fleetwood 1991 1993 Cadillac Seville 1991 1993 Cadillac Sixty Special 1994 1996 Chevrolet Beretta Corsica V6 3 1 L 1992 1996 Chevrolet Lumina APV V6 3 4 L 3 8 L 1993 2000 Chevrolet Lumina 1995 1999 Chevrolet Monte Carlo 1997 1998 Chevrolet Venture 1994 1998 Oldsmobile Achieva 1994 1996 Oldsmobile Cutlass Ciera Oldsmobile Ciera V6 3100 L 1993 1997 Oldsmobile Cutlass Supreme 1992 1997 Oldsmobile 88 1991 1996 Oldsmobile 98 1992 1998 Oldsmobile Silhouette V6 3 4 L 3 8 L 1991 1992 Oldsmobile Toronado Trofeo 3800 V6 1992 1997 Pontiac Bonneville 1994 1998 Pontiac Grand Am V6 3 1 L 1992 1996 Pontiac Grand Prix GT amp GTP 3 4L V6 LQ1 Motor 1992 1998 Pontiac Trans Sport V6 3 4 L 3 8 L 4T60 E HD 1991 1996 Buick Park Avenue 1992 1996 Oldsmobile 88 1992 1996 Oldsmobile 98 1992 1996 Pontiac Bonneville 1997 Pontiac Grand Prix GT 3800 V6 L36 Motor 1995 1996 Buick Riviera4T65 E editThe 4T65 E was introduced to replace the 4T60 E in 1997 The 4T65 E included a larger 258 mm torque converter for some models and many other changes to improve reliability It is able to handle vehicles up to 6500 lb 2948 kg GVWR with up to 280 ft lbf 380 N m of torque A number of final drive ratios are available with many distinct models Starting in mid year 2000 models all 4T65 E models received an upgraded valve body Starting in 2003 the internal electronics were changed hardened 4th gear shaft ratcheting sprags for input and third gear were added The last application was the 2011 Chevrolet Impala as GM has transitioned to the 6T70 family transmissions for 2012 2 3 Models M15 245 mm 9 6 in torque converter MN3 258 mm 10 2 in torque converter MN7 258 mm 10 2 in torque converter and heavy duty gearbox see 4T65E HD MD7 245 mm 9 6 in torque converter Chinese version M76 245 mm 9 6 in torque converter with all wheel drive capability Gear ratios 1 2 3 4 R 2 921 1 568 1 000 0 705 2 385 Applications M15 2000 2005 Buick Century V6 3 1 L 1997 2003 Chevrolet Lumina Monte Carlo V6 3 4 L 3 8 L 1997 2003 Chevrolet Venture V6 3 4 L 2000 2003 Chevrolet Impala V6 3 4 L 3 8 L 1997 2001 Chevrolet Lumina Monte Carlo V6 3 1 L 1998 1999 Oldsmobile Intrigue V6 3 8 L 1998 2003 Pontiac Grand Prix V6 3 1 L 3 8 L 1997 2004 Pontiac Grand Prix GT 3800 V6 L36 Motor 2006 2007 Chevrolet Malibu SS Models V6 3 9 L 3 29 1 M15 Buick Rendezvous Buick Terraza Chevrolet Uplander Pontiac Montana SV6 Pontiac Aztek Saturn Relay 3 29 1 M76 Buick Rendezvous Chevrolet Impala 9C1 Oldsmobile Aurora V6 Oldsmobile Intrigue Autobahn Package PCS Oldsmobile Silhouette Pontiac Aztek 2 86 1 or 3 05 1 M15 Buick LeSabre Chevrolet Impala LA1 Chevrolet Monte Carlo LA1 Pontiac Bonneville FQ3 3 05 1 MN3 1997 2004 Buick Regal V6 3 8 L LS LSE 1997 2005 Buick Park Avenue V6 3 8 L 1999 2002 Oldsmobile Intrigue V6 3 5 L 2 92 1 M15 Buick LaCrosse 3 69 1 M76 Buick Terraza Buick Rendezvous Chevrolet Uplander Pontiac Aztek Pontiac Montana SV6 Saturn Relay Volvo S80 Volvo XC90 4T65E HD edit The 4T65E HD code MN7 is a heavy duty version of the 4T65 E used with more powerful engines such as the LS4 V8 and L67 L32 supercharged V6 Applications 2 93 1 MN7 Oldsmobile 88 LSS L67 Pontiac Bonneville SSEi L67 Chevrolet Impala L67 Chevrolet Monte Carlo L67 Pontiac Grand Prix GTP GXP Buick Regal GS Buick Riviera L67 97 99 Buick Park Avenue Ultra 3 06 1 MN7 Chevrolet Impala SS Chevrolet Monte Carlo SS 2006 2007 3 29 1 MN7 Buick LaCrosse Super Pontiac Grand Prix GTP Comp GReferences edit Pietrangelo Joel D April 1990 Park Avenue gets electronic transaxle Ward s Auto World 26 4 Ward s Communications 75 4T65E transmission Bowman Zach Aging Chevy Impala gets standard 302 hp V6 for 2012 Autoblog See also editList of GM transmissions Retrieved from https en wikipedia org w index php title GM 4T60 E transmission amp oldid 1199858946, wikipedia, wiki, book, books, library,

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