The r tronic is a singleclutch automated manual gear box. Bmw steptronic transmissionbest of both worlds bmw blog. The responsible electric motor is housed between the combustion engine and transmission and produces up to 15 kilowatts with over 200 newton meters of torque. Other transmission choices are of course a fully manual transmission and a sport automaticeither standard or as an option on many models. Certified mercedesbenz 7gtronic transmission certified. The ninegear transmission also improves fuel economy dramatically, with a reduction of fuel consumption around 6. Information about rebuild transmission dsg7 dl501 0b5 s tronic audi vag dl501\ 0b5 since 2008 launched 7staged directshift gearbox of dsg7 of longitudinal arrangement with wet.
Locate a code that is stamped on the exterior of the transmission casing. Detail difference between audi s tronic and r tronic. When replacing the sensor module, its wiring loom must also be replaced. Although with the same aluminum made torque converter bell housing, compared to the current 7gtronic, this 9gtronic transmission changes to use magnesium alloy to construct its main casing, which is lighter and retains the same strength. Last year, mercedesbenz debuted its 9 speed transmission called 9gtronic in its european market e class sedan. Thus, is an expensive heavy box of longitudinal arrangement dl dual\longitudal on which have notstingy details. Economy, safety, and comfort of the vehicle increase due. The first ninespeed automatic transmission with torque converter, the 9g tronic for premium vehicles, is now celebrating its debut.
The s tronic dualclutch transmission is a successful technology. Zfs as tronic transmission moves into high gear by larry plachno the zf as tronic transmission has achieved remarkable popularity among overtheroad coaches in the united sates and canada in the past few months. I am trying to fix an problem with zfas tronic transmission electronic module. It is used behind 4, 6, 8 and 12 cylinder gasoline engines, as well as their diesel engines. Comfort, economy, and safety of the vehicle increase due to the fully automatic shift. The cvt builds power in a smooth, linear manner, hence the trademark, lineartronic. Im a huge audi fan and i want to know about these two transmission systems. Technical service bulletin national highway traffic.
Assisted by computeraided programs, new transmission schemes are constantly being developed. The mercedesbenz 5gtronic automatic transmission, also known as a 722. The as tronic lite automatic transmission system for light and mediumduty delivery vehicles makes work easier for the driver, and thus his. Mercedesbenz releases details on 9gtronic ninespeed auto. A5 audi workshop manuals power transmission 7speed dual clutch gearbox 0b5 s tronic gearbox,mechanics,gears,shafts,internal operation mechatronic unit for dual clutch gearboxj743 removing and installing mechatronic unit for dual clutch gearboxj743.
The new automatic transmission 9gtronic from mercedesbenz. It is their first completely computer controlled transmission and their first to have a transmission with a converter clutch. Zf transmission service manual 5 2 transmission system 2. Jul 19, 2010 in recent years, it has been outclassed by the new 8speed zf transmission used by audi and bmw. Daimler ag technical information and workshop equipment.
Exceptional transmission efficiency for enhanced fuel economy. This was in turn replaced with the more modern 5g tronic 722. Zf gearbox transmission zf as right here, we have countless book zf gearbox transmission zf as tronic repair service workshop shop manual and collections to check out. Feb 11, 2012 the r tronic is essentially a manual transmission with an automatic clutch.
Self study program 6 audi r8 power transmission pdf free online. Mercedes developing 9speed automatic transmission 9gtronic. Ive looked at some other websites but they go on about this crazy stuff about dualclutch and automated manual and stuff. Audi workshop manuals a5 power transmission 7speed. Economy, safety, and comfort of the vehicle increase due to the fully automatic shift system. V12 engine models continue to use the older mercedesbenz 7g tronic transmission. Added efficiency comes courtesy of the startstop function, which switches. The 7g tronic plus is able to work with mercedesbenz models equipped with the startstop engines. As tronic the automatic transmission system for heavy trucks was the first of its kind. It is considered by enthusiasts to be one of the most reliable transmissions ever built by mercedesbenz with some examples exceeding 300,000 miles of service. The 2 tronic gearbox also known as the citroen sensodrive is a conventional gearbox electrically operated via two special actuator units controlled by an electronic control unit these operate the clutch and select the gear automatically or can be manually selected. The ratios for the gears are realized by three planetary gear sets.
Mercedes developing 9speed automatic transmission 9g tronic 6 photos. This warranty does not cover failures caused by a worn, damaged or. This fifthgeneration transmission was introduced in the autumn of 2003 on 8cylinder models, and was the first sevenspeed automatic transmission ever used on a production passenger vehicle. The as tronic mid automatic transmission ensures increased safety, economy, and comfort for mediumduty trucks in delivery or city traffic requiring numerous. As tronic the automatic transmission system for coaches. Mercedesbenz also calls it the 5gtronic, and its a heavy duty transmission to say the least. Below are some of the common faults weve experienced on this transmission. Mar 19, 2008 two clutches, 7 speeds, quick changes. They were replaced with the more modern and economic 5g tronic type 722. Jun 03, 2017 the following is a description of the sevenspeed s tronic for longitudinal engines. The mercedesbenz 4g tronic transmission was produced from 1979 to 1996 in w4a 028 type 722. It is fitted to a number of vehicles within the mercedesbenz range, as well as some jeep, jaguar, and ssangyong models.
That sounds like a contradiction, but in essence, the r tronic operates like an automatic for the driver while it works like a manual for the car. It combines the convenience of an automatic with the efficiency of a manual transmission, while adding its own dynamic touch. Identification of a mercedes benz transmission, or gearbox as they are also referred to, can be accomplished by following these guidelines. Introduction the 6speed automatic gearbox 09g is used in the audi a3 04 and audi tt. Self study program 6 audi r8 power transmission pdf. There are special sensors, which determine the pressure and the temperature of. Mercedes transmission control unit vgs nag2 7gtronic. Christoph dorr senior manager automatic transmission projects daimler ag, germany manfred homm senior manager automatic transmission mechatronics and torque converter daimler ag, germany guenter indlekofer senior manager automatic transmission hardware daimler ag, germany summary. Epub zf gearbox transmission zf as tronic repair service. When i tore the car for parts i found out the engine had problems but that had put in a fresh trans. You need 7 litres to change the oil in the gearbox.
A tiptronic transmission is an automatic transmission that can be controlled like a manual transmission. By the end of 2018 unsurpassed ratio span among longitudinal automatic transmissions for passenger cars. Permission is granted to copy, distribute andor modify this document under the terms of the gnu free documentation license, version 1. The 09g09m 6speed automatic transmission is installed in the following.
The new automatic transmission 9g tronic from mercedesbenz, dr. The 9g tronic automatic transmission from mercedesbenz is the worlds first automatic transmission to feature a hydrodynamic. May 09, 2008 2008 audi r8 with r tronic automatic transmission. System description automatic transmission 9g tronic 725. It is a precision engineered electronically controlled 5speed overdrive automatic transmission. The 9g tronic automatic transmission offers smoother shifting for a more comfortable drive. To my understanding its a semiautomatic so does this mean theres no clutch. Announced in 20 earlier post, the 9g tronic represents the seventh automatic transmission generation from mercedesbenz. For example, if you are an aggressive driver you may notice that the transmission will stay in gear longer to allow the engine to reach higher rpms. This mci j4500 is equipped with the as tronic transmission and operates for lakefront lines based out of the cleveland area. How to identify the mercedes benz transmission model you have from a stamped code on transmission casing. What are the features of the mercedesbenz 9gtronic.
The as tronic lite automatic transmission delivers dynamic driving coupled with short shifting times and relieves the drivers by allowing them to concentrate on traffic. A regular transmission can feel jerky, especially under full throttle. Transmission repair manuals dsg7 dl501, 0b5 stronic. Daimler nsg370 6speed manual transmission parts for wrangler. Automatic transmission service group mercedes benz 722.
Delivery traffic is a challenge to both driver and vehicle. If youre towing, or you just want the thrill of changing gears, subaru gives. The transmission control unit in the 7g tronic transmission monitors your driving style and adapts the transmission shift points based on the way you drive. New automatic gearbox 2 or 7g tronic vehicle applications.
We have found that if we heat top of the actuator module with heat gun, it speed up this process significantly. Volkswagen engineers developed the transmission in conjunction with aisin and adapted it to volkswagen vehicles. All the transmission functions and control components for this automatic. For example, it doesnt have a mechanic connection between the automatic transmission and the select switch mode. I am just in the process of ordering a new c class, and am poring over the details on all the forms i have been sent. The mercedesbenz 5g tronic automatic transmission, also known as a 722. For the hydraulic body and the dual cluthch the oil part number is. This transmission was later introduced on mercedesbenz mclass w166 facelift on the gle 250 d model. Mercedesbenz new 9speed 9g tronic, the first rearwheel drive ninespeed automatic transmission with torque converter, is making its debut in the e 350 bluetec as the standard transmission paired with the 185 kw 252 hp v6 diesel. On first drive, people often mistakenly drive it like an automatic and although it will function that way, the shifting is said to be balky. Automatic transmission system for special vehicles and. Please fill this form, we will try to respond as soon as possible. The six forward gears and reverse gear are engaged by three multiplate clutches and two plate brakes.
Inside the fuelefficient 9speed 9gtronic from mercedes. Throughout much of the model lineup, the s tronic is available in four different versions, with six or seven gears. Jul 24, 20 following the recent news that the eclass, at least in europe, is now available with a ninespeed automatic transmission, mercedesbenz has released the full details on its latest cogswapper and. One thing that stands out is that under special equipment it is showing that 9g tronic is included. The drive element of a classic automatic transmission is the hydrodynamic torque. Lineartronic continuously variable transmission subaru. The thirdgeneration hybrid transmission evolved on the basis of the 9g tronic plus automatic transmission. The ratios for the gear stages are achieved by planetary gear sets. Jan 22, 2014 detail difference between audi s tronic and r tronic. This fifthgeneration transmission was introduced in the autumn of 2003 on 8cylinder models, and was the first sevenspeed automatic transmission ever used on a production vehicle.
When engine is started transmission wont switch to neutral for some time till engine and transmission is heated up. The audi r8 sees audi off ering, for the fi rst time, a highperformance sports car based on a midengine concept. The 7gtronic plus operates even more smoothly, quickly and economically than the first generation of the 7gtronic. Throughout much of the model lineup, the s tronic is available in. With either engine, a sixspeed gated manual transmission is standard, but audis r tronic transmission is an option. Y38n1 input speed sensor y38n2 middle speed sensor center reads ravigneaux carrierrear internal ring. Its what audi promises with its new s tronic transmission, set to feature prominently within the audi family of powertrains. The thirdgeneration hybrid transmission evolved on the basis of the 9gtronic plus automatic transmission. The torque converter, clutch and electric motor are housed in the innovative hybrid.
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