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Ultradrive
Manufacturer Chrysler Corporation
DaimlerChrysler
Also called 41TE/A604
41AE/A604
42LE/A606
42RLE
40TES
41TES
Production 1989-present
Predecessor A670
Class 4-speed automatic
Related PowerFlite

The Ultradrive is a 4-speed automatic transmission from Chrysler Corporation. The automotive industry is the industry involved in the design development manufacture marketing and sale of Motor vehicles In 2007 more than 73 million motor vehicles Chrysler LLC is an American Automobile manufacturer that has been producing Automobiles since 1925 Daimler AG ( (formerly DaimlerChrysler AG) is a German car corporation (not to be confused with the British car-maker Daimler Motor Company) and Year 1989 ( MCMLXXXIX) was a Common year starting on Sunday (link displays 1989 Gregorian calendar) TorqueFlite (also spelled Torqueflite was the trademarked name of Chrysler Corporation 's three-speed Automatic transmission, which was introduced late Car classification is subjective since many vehicles fall into multiple categories or do not fit well into any An automatic transmission (commonly "AT" or "Auto" is an Automobile Gearbox that can change Gear ratios automatically as the vehicle PowerFlite was the name of a two speed Automatic transmission produced by the Chrysler Corporation. An automatic transmission (commonly "AT" or "Auto" is an Automobile Gearbox that can change Gear ratios automatically as the vehicle Chrysler LLC is an American Automobile manufacturer that has been producing Automobiles since 1925 It was produced from 1989 through the present and was commonly paired with the Chrysler 3.3 engine in transverse engined cars. This engine was Chrysler's first homegrown Front wheel drive 60-degree V6 engine and the first V6 from Chrysler not based on a V8 A transverse engine is an Engine in which the Crankshaft is oriented side-to-side relative to the length of the vehicle The Ultradrive and its descendants are produced at Kokomo Transmission in Kokomo, Indiana. Kokomo Transmission is a Chrysler Automobile factory in Kokomo Indiana. Kokomo (ˈkoʊkəmoʊ is a city in and the County seat of Howard County, Indiana, United States, Indiana's 13th largest city

Contents

History

The Ultradrive was a significant technological advancement in transmission operation, as it was one of the first electronically-controlled automatics. It pioneered many now-common features, such as adaptive shifting: the computer would optimize shifting based on the driving style of the operator. Unfortunately it earned a reputation for being unreliable, especially in Chrysler's minivans, which had high failure rates. A misprint in both owner's manuals and transmission fluid dipsticks in early models advocated the use of Dexron II transmission fluid in the event the required fluid (Type 7176, also known as ATF+3) was not available. Dexron does not provide the necessary fluid properties for proper operation of the transmission, often resulting in malfunction (commonly deferring the computer into the notorious "limp-home" mode, under which the transmission will not shift out of second gear) or complete failure of the unit. As a result, the older hydraulically-controlled 3-speed automatic was later made available on vehicles equipped with Mitsubishi's 6G72 V6 engine, which was usually paired with the Ultradrive during its first few years. is the sixth largest Automaker in Japan and the seventeenth largest in the world by global unit sales The Mitsubishi 6G7 or Cyclone V6 engine is a series of V6 Piston engines from Mitsubishi Motors. A V6 engine is a V engine with six cylinders mounted on the Crankcase in two banks of three cylinders

On paper, the A604 was a great innovation. When working correctly, it will shift smoothly and perfectly, thus providing a soft, comfortable ride often associated with high-end luxury cars. Also, electronic transmissions lack bands to adjust.

The torque converter measured 9. 5 inches in diameter and was mounted to the flywheel by a flexible drive plate. The transaxle was cooled through an oil-to-water heat exchanger in the collector tank on the radiator, and/or a standard oil-to-air heat exchanger.

The Ultradrive has evolved dramatically over its long years of production. Countless changes, both electrical and mechanical have been made in an attempt to improve the reliability of the A604. Such changes include different valve bodies, solenoid packs, sensors, etc. One of the better improvements was the introduction of a flash-programmable TCM, which monitors the operator's driving habits, and sets up a custom shifting pattern for the driver.

The A604/41TE transmission also uses 20 fewer parts than its 3-speed siblings.

Mitsubishi's Sportronic transmission was a modified version of the 41TE.

Technical information

There are 4 different types of units. The differences between the types are the bell housing bolt pattern and valve body assemblies. The bell housing is part of the transmission system on a Gasoline (also known as Petrol) or Diesel powered Vehicle. The first type was used for the 2. 5 L engine, second type for the 6G72 V6, third type for the 3. 3 L and 3. 8 L V6s and the fourth type for the 2. 0 L and 2. 4 L engines.

While the 2. 5L I4 engine is listed above, I can find no information about this combination in the service manuals. Was it for the European market only ? According to the Factory Service manuals, the A604 was first paired with the 3. 0L V6, then the 3. 3 LV6 and 3. 8L v6.

A604 to 41TE

The most common problems with A604 transmissions are poor shifting quality and sudden locks into second gear ("limp-home" mode), even during highway driving. Nine design changes were made in an attempt to fix clutch failure, and four were directed to "shift busyness", or excessive shifting on hills.

After much pressure from the Center for Auto Safety, Consumer Reports and others, Chrysler promised to waive the $100 deductible in the warranty, provide loaners, and buy back any cars with Ultradrives that could not be fixed. Chrysler ran an unprecedented campaign to contact all owners of cars with Ultradrives to find and fix problems.

A604/41TE

Applications:

41AE

The 41AE is a variant of the 41TE that was originally used for the all-wheel drive variants of the minivans, and was also used for the Chrysler Pacifica from its 2004-model-year introduction until the model was discontinued in 2008. The Chrysler New Yorker was a premium automobile built by the Chrysler Corporation from 1939 to 1996 serving for several years as the brand's flagship model The Chrysler LeBaron was introduced in 1977 as Chrysler 's lowest priced model and the name was used on various Chryslers until 1995 This page is about the 1980s and 1990s Daytona For information on the Charger Daytona, see this page. The Dodge Dynasty was a Front-wheel drive sedan that was introduced in 1987 as a 1988 model to replace the 600 as Dodge 's For 1987 Chrysler Corporation introduced two new Compact cars the Dodge Shadow and the Plymouth Sundance (which turned in similar The Dodge Spirit was introduced in January 1989 as a mid-size 5/6 passenger sedan by Dodge. The Plymouth Acclaim is a Mid-size sedan produced from the 1989 to 1995 model years The original Plymouth Voyager was a twin of the Dodge B-series van from 1974 to 1983 For Imperial models sold under its own marque (1955-1975 1981-83 see Imperial (automobile For the type of rose see Chrysler Imperial Rose Fifth Avenue was a name used by Chrysler Corporation on its largest models from 1979 to 1993 This article is about the minivan To see the article about other cars named the Town and Country see Chrysler Town and Country (pre-1990. }The first Plymouth Duster was a semi-fastback version of the Plymouth Valiant automobile produced in the US from 1970 to 1976 The Chrysler Cirrus is a Mid-size 4-door entry-level luxury sedan, marketed by Chrysler in the United States, Canada, The Dodge Avenger name identifies four different cars The Dodge Avenger which was a renamed " Hillman Avenger " The Dodge Avenger The Dodge Stratus (and its twins the Chrysler Cirrus and Plymouth Breeze; collectively known as the "Cloud Cars" was a The Plymouth Breeze was a Mid-sized 4-door sedan that was introduced in 1996 as a companion to the Chrysler Cirrus and the Dodge Stratus The Chrysler Voyager is a Minivan marketed by Chrysler LLC. In the United States, the Chrysler Voyager was produced from 2000 to 2003 as part of the The Chrysler PT Cruiser is a typically American " Retro "-styled Station wagon or Hatchback built by Chrysler, launched in 2000 as an The Neon was a compact Front wheel drive car introduced in January 1994 for the 1995 Model year by Chrysler Corporation 's Dodge See also Chrysler Pacifica (1999 concept vehicle The Pacifica, is a Mid-size crossover, introduced by Chrysler and marketed from Four-wheel drive, 4WD, or 4x4 ("four by four" is a four-wheeled Vehicle with a drivetrain that allows all four Wheels to See also Chrysler Pacifica (1999 concept vehicle The Pacifica, is a Mid-size crossover, introduced by Chrysler and marketed from

Applications:

A606/42LE

The 42LE was an upgraded version of the 41TE modified for longitudinal engines. This article is about the minivan To see the article about other cars named the Town and Country see Chrysler Town and Country (pre-1990. The original Plymouth Voyager was a twin of the Dodge B-series van from 1974 to 1983 The Chrysler Voyager is a Minivan marketed by Chrysler LLC. In the United States, the Chrysler Voyager was produced from 2000 to 2003 as part of the See also Chrysler Pacifica (1999 concept vehicle The Pacifica, is a Mid-size crossover, introduced by Chrysler and marketed from In Automotive engineering, a longitudinal engine, also sometimes known as a north-south engine, is an Internal combustion engine in which the Crankshaft It debuted in 1993 on the LH cars. The LH platform was Chrysler 's second-most well-known Automobile platform after the Chrysler K platform of the 1980s It is strengthened with a reworked final drive unit, barreled axle shafts, and upgraded clutch packs.

The 42LE was modified in 2003 as the 42RLE, originally for the then-new Jeep Liberty. The Jeep Liberty (KJ/KK or Jeep Cherokee (KJ/KK outside North America is a Compact SUV produced by the Jeep marque of Chrysler. This transmission will reportedly remain in production through the end of the decade with the LX cars and the 2007 Jeep Wrangler.

Applications:

40TES/41TES

The 40TES and 41TES are upgraded replacement versions of the 41TE, which were first introduced with the 2007 Chrysler Sebring. For the 1999 model year DaimlerChrysler revived the 300 name on the 300M. The Chrysler Concorde was a large four-door full-size Front wheel drive sedan produced by Chrysler from 1993 to 2004 The Chrysler LHS is a Full-size, Front wheel drive car based on the Chrysler LH platform. The Plymouth Prowler is a " Retro "-styled production car built between 1997 and 2002 however no 1998 model was offered The Chrysler New Yorker was a premium automobile built by the Chrysler Corporation from 1939 to 1996 serving for several years as the brand's flagship model The Dodge Intrepid was a large four-door Full-size, Front-wheel drive sedan. The Eagle Vision was a Full-size, Front-wheel drive Sports sedan. The Plymouth Prowler is a " Retro "-styled production car built between 1997 and 2002 however no 1998 model was offered The Chrysler 300 is a Full-size car designed by Haitian-Canadian Ralph Gilles. The Chrysler Aspen is a Sport utility vehicle from Chrysler. Launched for the 2007 model year the Aspen is essentially a rebranded Dodge Durango SUV The Dodge Charger, is a Rear-wheel drive Full-size Automobile built by Chrysler LLC for its North American Dodge brand The Dakota is a Mid-size Pickup truck from the Chrysler LLC 's Dodge brand The Dodge Durango is a full-size SUV from Chrysler 's Dodge brand The Dodge Magnum name has been used on a number of different Automobiles The most recent is a large Rear-wheel drive Station wagon introduced in 2004 The Dodge Nitro is a Compact SUV from the Dodge division of Chrysler LLC. The Jeep Liberty (KJ/KK or Jeep Cherokee (KJ/KK outside North America is a Compact SUV produced by the Jeep marque of Chrysler. The Wrangler (also known as the YJ, TJ, and JK, as explained below is an Off-road vehicle produced by American automaker The 40TES is used with the 2. 4 L GEMA I4 engine while the 41TES is used with the 2. The straight-4 or inline-4 engine (often abbreviated I4 or L4) is a four cylinder Internal combustion engine with all four cylinders 7 L EER V6. The LH engine was a series of V6 engines developed by Chrysler Corporation for its LH platform cars A V6 engine is a V engine with six cylinders mounted on the Crankcase in two banks of three cylinders

Applications:

62TE

The 62TE is a six-speed derivative of the 41TE first introduced with the 2007 Chrysler Sebring, and used on the 3. The Dodge Avenger name identifies four different cars The Dodge Avenger which was a renamed " Hillman Avenger " The Dodge Avenger 5 L EGJ V6. The Single overhead cam V6 introduced in 1993 was a major advancement for Chrysler. A V6 engine is a V engine with six cylinders mounted on the Crankcase in two banks of three cylinders Applications also include the Pacifica (4. 0L), RT Platform minivans (3. 8L & 4. 0L), and the Dodge Journey (3. 5L).

Applications:

See also

See also Chrysler Pacifica (1999 concept vehicle The Pacifica, is a Mid-size crossover, introduced by Chrysler and marketed from The Dodge Avenger name identifies four different cars The Dodge Avenger which was a renamed " Hillman Avenger " The Dodge Avenger This article is about the minivan To see the article about other cars named the Town and Country see Chrysler Town and Country (pre-1990. The Volkswagen Routan is a seven-seat Minivan, developed specifically for the North American market that hit showroom floors in September 2008 The Dodge Journey is a mid-size crossover that debuted at the 2007 Frankfurt Auto Show, with North American 2009 my Chrysler produces a number of Automobile transmissions in-house
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