Innovations such as the dual mass flywheel, twin xtendtm selfadjust clutch and conact pneumatic clutch actuator are just some of the products zf sachs has developed to reduce torsional vibrations, increase clutch life and ease pedal effort. If necessary, have a friend help you steady and support the flywheel as you remove the bolts. I rarely post however i am a regular fly on the wall so to speak. Truck dualmass flywheel dmf for reduced vibration sachs. Sachs, the traditional german brand, offers highquality, stateoftheart clutches. Advantages, that are of great value not only to highly tuned vehicles but also in motor sports. Typically its a wise idea to replace your dual mass flywheel every 100,000 miles or every other clutch replacement. Dual mass flywheel or single mass flywheel opinions please. The vehicles listed above can be equipped with a luk or a sachs dualmass flywheel.
An oespec replacement dual mass flywheel will restore the vehicles stock performance and feel. Investigation of dynamic friction properties of a dual mass flywheel. Dual mass flywheel 415 0059 20 sachs version has been. Installing the dual mass flywheel clutch and pressure plate b6 a4 project car pb garage sean some of the decisions i made and techniques i used when putting the. Read pdf 2006 audi a4 flywheel manual 2006 audi a4 flywheel manual audi a4 b7 2006 2. Bmw e36 and e46 3series 5speed lightweight flywheel installation instructions. I am examining my flywheel and trying to determine whether it is shot or if i can reuse it. Autoinform is a free bimonthly, online publication that offers the automotive aftermarket a fresh, exciting new platform using h.
The two dualmass flywheels feature different designs and cannot. Sachs engineers develop truck dual mass flywheels according to the specifications of the vehicle manufacturers. As for the uuc clutch that rob is about to put on the market, awesome the expected high quality parts along with fit. In the workshop, only provisionaltesting can be carried out. Dual mass flywheel 415 0059 20 sachs version has been replaced by 415 0059 10 luk version this change effects the following vehicle manufactures audi, ford, seat and vw with the following engine codes. The greater the clamp load, the smaller the friction radius can be. In a doublemass flywheel the flywheels of which are coupled with torsional flexibility by at least one set of at least two helical springs 31, 31, it is proposed that the end spring 31 of the spring set arranged in a channel 29 encircling the axis of rotation 9 of the flywheels in a circular arc is pivoted to control elements 39, 53 of the flywheels via an endshoe 41. The driver and the passengers experience a reduction of noise inside the driveline and the body as well as a smoother ride with a higher shift comfort. The two dualmass flywheels feature different designs and cannot simply be compared with one other.
The sachs dual mass flywheel for cars dmf is the key to firstclass passenger car and light commercial vehicle drivability. Resonance generally no longer occurs in the driving range. Performance sachs clutch and lightweight flywheel kit. Owing to the additional mass on the transmission input shaft, the vibration torque range, which is normally between 1,200 rpm and 2,400 rpm with original torsion 2. Flywheel, twin xtendtm selfadjust clutch and conact pneumatic. The sachs dual mass flywheel planetary dmf is the key to firstclass passenger car and light commercial vehicle drivability. Clutch actuator are just some of the products zf sachs. Flywheel pn 25292414 required not included 199496 lt1 and 1996 lt4 corvette enthusiasts no longer have to worry about the availability of replacement clutch systems now that the original equipment dual mass flywheel have been discontinued by gm. The downside, of course, is the cost, as replacement dmfs are generally much more expensive that single mass flywheel conversion kits if a conversion kit is available, of course. Sachs manual adjust and self adjust clutches contain the latest technology for todays vehicles and include features that provide the best durability, reliability and performance of any clutch available today. The secondary mass clearance does not indicate any faults image 1.
Dualmass flywheel sachs planet dualmass flywheel notes. So, that being said, if it is bad, i will replace it. A dualmass flywheel includes a primaryside first sheetmetal shaped part configured to be fastened centrically with respect to an axis of rotation. Performance clutch kits from zf sachs deliver more transmittable torque and more stability, longer life and superior thermal resistance. Lightweight flywheelwhat performance differences do you gentlemen. Luk dmf important things to consider prior to installation. Material needed for the production of dmf dual mass flywheel in the sachs planetary dual mass flywheel, the planetary gear and the torsional damper are incorporated into the flywheel. Clutch faq for vw and audi tdi with dmf info and clutch kits. My side to side play is 25mm which is in the acceptable range according to this documentation. The bearing play appears to be less than 2mm, so i should be good there. A dualmass flywheel dmf or dmfw is a rotating mechanical device that is used to provide continuous energy rotational energy in systems where the energy source is not continuous, the same way as a conventional flywheel acts, but damping any violent variation of torque or revolutions that could cause an unwanted vibration. Official sachs clutch kit distributor midas randburg.
This ecs stage 1 clutch kit lightweight 228mm single mass flywheel 14 lbs. For this purpose, the flywheel is divided into a primary and a secondary mass, hence the. Zf services self adjusting clutch fitting procedure youtube. If the right value of the damping coefficient is used the results from the measurements and the simulations are similar. Among the numerous criteria used to determine clutch size and clamp load configuration, maximum engine torque and the resulting friction energy are especially significant. The sachs dual mass flywheel dmf for passenger cars. Luk dmf with a detent pin as the transport fastener in comparison with the rigid flywheel, the dual mass flywheel dmf consists of multiple, perfectly coordinated components that, despite their closed design, can be affected by external influences. Sachs sre clutch applications pdf, opens in a new window. Bmw e36 and e46 3series 5speed lightweight flywheel. Dual mass flywheel for torsional vibrations damping. The sachs dualmass flywheel planetary dmf is the key to firstclass passenger car and light commercial vehicle drivability. The sachs version may contain a defect, leading to burnt disc friction material and clutch pressure plate heat damage.
The driver and occupants are aware of reduced driveline and body noise and enjoy smoother travel with more pleasant gear shifts. The following diagrams show the improved vibration characteristics when using a sachs dual mass flywheel. I am looking for a sachs clutch kit which includes a dualmass flywheel for the golf 4 gtir 1. A dual mass flywheel dmf is a flywheel which is 2 pieces connected with a damping system. Worldwide, zf sachs is the largest manufacturer of clutch systems for heavy commercial vehicles. Pdf parametric investigation of dualmass flywheel based on.
For sachs spare parts various catalogs are available as pdf for download free of charge, e. Sachs planet dual mass flywheel notes and hints for experts dualmass flywheels are installed in many modern vehicles to decrease noise and improve refinement on the move. Vehicles from the manufacturers listed above may be fitted with clutchdual mass flywheel dmf combinations from either luk or sachs. They are listed per clutch cover, and available for organic and. The sachs dualmass flywheel for cars dmf is the key to firstclass passenger car and light commercial vehicle drivability. Ive now had the light weight flywheel for 5 years and i have happy with it. A dual mass flywheel masks these noises, but a single mass flywheel brings them to light. My mechanic suggested that i switch out the dual mass flywheel and replace it with a lighter flywheel. Sachs cv dual mass flywheels are designed so that engine vibrations are largely reduced in all speed ranges. In our online store you will find flywheel engine and other spare car parts. Did you know that randburg midas is an official sachs clutch kit distributor. Every trans is different and between identical models will have different sounds with the clutch depressed or.
Luk dmf 415 0059 10 with slide bearing a wearresistant slide bearing see image 1, among other components, is used on the. Flywheels on different applications are balanced differently, and interchanging them may result in vibration and driveline damage. The first massproduced dual mass flywheel dmfw in automotive history went into production around 1985. My car only had 38,000km on her at the time so it wasnt totally clear to me that it was a dual mass failure. I recently had the misfortune of the dual mass flywheel on my 1. If the flywheel cannot be twisted at all, or if the flywheel can be twisted beyond the 15mm without a noticeable increase in the spring force, then the flywheel is likely to be faulty. So regardless of your vehicles make and model, we are you go to clutch guys. Sachs heavy duty clutch catalog 2014 canada wide parts. Convert from a dual mass flywheel to a single mass flywheel.
Innovations such as the dual mass flywheel, twin xtend tm selfadjust. The vibration reduction is achieved by accumulating stored energy in. Dual mass flywheel for torsional vibrations damping chalmers. See page 2 for dual mass flywheel replacements alfa romeo. In contrast, the springdamper system of the dmf filters out torsional vibration caused by the engine. Order online cheap flywheel for audi a4 b8 avant 8k5 2. Dual mass flywheels by other brands require other dmf tools and can therefore not be checked using this one. Change the channel select site singletrack snow singletrack tech gritcx singletrack. Pdf this paper is aimed to investigate the influence of dualmass flywheel dmf. A secondaryside second sheetmetal shaped part is mounted rotatably about the axis of rotation in relation to the primaryside first sheetmetal shaped part. The same applies for dual mass flywheels with a transfer plate as well as. Worldwide, sachs is the largest manufacturer of clutch systems for heavy commercial vehicles. Always install new flywheelcrankshaft bolts and torque them to 4549 ftlb.
Vw diesel advice dual mass flywheel and clutch kit luk. The topic vw diesel advice dual mass flywheel and clutch kit luk or sach is closed to new replies. The transmission can be identified by the reverse gear shift pattern, to the right and forward is new venture, to the left and back is mercedesuse with dual mass flywheel only. When a clutch is changed, it is important to test the free play in the arc springs that are within the dmf. Higher torque levels, greater ignition pressures, and stricter emissions controls are causing ever greater rotational irregularities in todays engines, and thus higher levels of vibration in the powertrain. Please note that this special tool for dual mass flywheel tests and dual mass flywheel diagnosis was designed specifically for dmfs by the sachs product brand. The main function is to isolate the transmission input from the vibration generated by the.
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