Rockauto ships auto parts and body parts from over 300 manufacturers to customers doors worldwide, all at warehouse prices. Selfadjusting clutches take the guesswork out of maintenance and protect the trucks other components from getting damaged or destroyed if a clutch goes out, said karrer. While there are ways to limit the increase in pedal effort for instance, by. Eaton self adjusting clutch problems jim the trucker.
On heavy duty systems, they are still cable operated, but also self adjusting via a ratchet gear that moves forward on the teeth as the clutch wears. The self adjusting feature of the hydraulic clutch operation has been around for quite some time now. Luk, as the first clutch manufacturer worldwide, has. A selfadjusting pneumatically operated vehicular master clutch actuator is provided.
Equipped with its innovative clutch lining, luk hd 30 plus offers a new clutch generation with a unique advantage compared with traditional, selfadjusting technologies. A selfadjusting clutch sac provides automatic wear. Then operate the clutch several times to make sure that the cable housing is firmly seated in its mounts. Tips for a successful clutch installation most common reasons.
Clutch troubleshooting and warranty analysis guide this manual is to be used strictly for educational purposes promoting these oe specifications for preventive maintenance, understanding clutch performance, and warranty analysis. Only when installing a new clutch disc with a used selfadjusting pressure plate, the adjustment ring of the pressure plate must be turned back to the stop. Aug 29, 2016 the luk selfadjusting clutch sac contains an innovative adjusting mechanism that guarantees a consistent high driving comfort. Clutch cover with selfadjusting device for k1 8 lever spring k1 9 retaining ring 10 stop ring. As clutches are subject to constant wear and tear during operation. It is mounted on the hollow shaft by means of a support bearing. Luk selfadjusting clutch sac guide adobe pdf document.
A clutch is the interface between the engine and the gearbox, enabling the interruption of torque transfer for gear change. Oct 16, 2017 now, most clutch systems are hydraulic and self adjust via residual oil pressure. New advantage selfadjust and easy pedal advantageclutches. I have questions on the operation and replacement of the self adjusting clutch. The luk repset had a retaining piece to hold the selfadjusting mechanism from deadjusting which it would do while in transit, as it is in essence a cheap plastic ratchet system, that loosens with ease. An automatic adjusting device for a spring loaded friction type clutch is incorporated, as a subassembly, in the lever system of the clutch between an actuating collar and an axially movable adjuster ring so as to be operable to advance the adjusting ring by very small increments as the friction surfaces of the clutch wear. However, the box for the new luk clutch states clearly that an v. Selfadjusting clutches minimize downtime and cut maintenance.
In addition, the goal of having a clutch which lasts the entire service life of the vehicle was also achieved with the sac. Its a selfadjusting clutch with an internal ratcheting system and it seems the tool is required to prevent the ratchet system. Buy 8milelake selfadjusting clutch tool kit 38 components universal sac clutch tool. Shop for oem self adjusting clutch tool kit with confidence at autozone. This inch or roataion is equal to about 5mm of inout travel of the limit of the fingersprings on the clutch plate itself or about the amount of. With a commitment to research and development, luk is a leader in the production of system solutions for a demanding market. An integrated self adjusting mechanism compensates for clutch disc wear. Today the transmission became real difficult to shift. How to replace your self adjusting clutch m52 post oct 99. Wolfgang reik introduction the high performance engines preferred today need clutches capable of higher transmission torques, which in turn requires increased pedal effort. Operating principle of the sac selfadjusting clutch. Its a self adjusting clutch with an internal ratcheting system and it seems the tool is required to prevent the ratchet system moving. Hi, i wonder if any of you guys on here can help or share any similar experiences of replacing your clutch i have a late 2005 skoda octavia ii 1. Necessary for pretensioning self adjusting clutches before removal installation prevents plate distortion which may prevent the clutch from disengaging or cause dragging features a refitting tool, allowing the clutch adjuster to be wound back, and six alignment adaptors carrying case for storage.
Features and specifications listed in this document are subject to change without notice and represent the maximum capabilities of the software and products with all. If the luk repset part number is the correct one for the application, you can be sure the components will. Suitable for all vehicle types, the luk sac special tool preloads the clutch, thereby preventing the adjusting ring from turning in the clutch pressure plate. More importantly, it keeps the holding force consistant, but thats not what the driver really relates to most of the time. The self adjusting clutch sac has proven itself in almost 1 million vehicles. I have to say this clutch design has to be one of the worst to ever be installed in a big truck. The pressure plate in this clutch design employs a mechanism that allows the friction surface of the assembly to adjust to the clutch discs thickness and position. In order to create the space needed for the stub axle shaft to pass through, a drive plate is permanently joined to the dmf by a riveted joint on the crankshaft bolt holes. If the luk repset part number is the correct one for the application.
In this video we explain how to reset a self adjusting clutch. Incorrect installation page 2 of this service information sheet outlines how to install the luk sac clutch correctly. Replace the clutch cable with every clutch installation. First ill describe the issue and what i have checked. The singleplate clutch module consists of a dual mass flywheel dmf and a diaphragm spring clutch with keyhole tabs or a selfadjusting clutch sac.
A pneumatically operated primary actuation piston 1 carries a pushpull rod 7 for operation of a master clutch linkage 22. Luk, as the first clutch manufacturer worldwide, has invested. Now, most clutch systems are hydraulic and self adjust via residual oil pressure. The luk selfadjusting clutch sac contains an innovative adjusting mechanism that guarantees a consistent high driving comfort. Interior accessories free delivery possible on eligible purchases. Unless otherwise stated all clutch products are suitable for standard manual transmission without stopstart function. In systems with selfadjusting cables, always check for correct operation of the selfadjusting mechanism.
In both cases, when the clutch begins to slip, the clutch is worn out. Tips for a successful clutch installation most common. This brochure deals only with the dry luk double clutch as used. The singleplate clutch module consists of a dual mass flywheel dmf and a diaphragm spring clutch with keyhole tabs or a self adjusting clutch sac. The pushpull rod 7 is mounted to the primary piston 1 by a hydraulic adjustment assembly 2, 10, 12, 11 for axial movement therewith. Luk self adjusting clutch assembly skoda octavia mk ii. The luk sac special tool is the original in the market and is an absolute must for the correct mounting of a luk sac or a traditional diaphragm clutch. Advantage is a self adjusting clutch, which keeps the clutch in constant adjustment by maintaining bearing release position. Technical brochure selfadjusting clutch sac technology and special tooluser instructions technical brochure luk repair solution for clutch modules audi technology, special tool, removal and installation. An inspection of the clutch showed the throwout bearing was moving the pressure plate fingers as far as they would go. Aug 03, 2016 the luk self adjusting clutch sac contains an innovative adjusting mechanism that guarantees a consistent high driving comfort. Eliminating these adjustments with a selfadjusting clutch saves 36 hours of downtime, plus the cost. When the clutch disc wears down, more pedal force is required to release the clutch.
Self adjusting clutch replacement 20v alfa romeo forum. If you need to remove a clutch for reasons other then clutch replacement rear crank seal, engine replacement and more you will have. On a clutch with wear adjustment, a sensor detects the increased release load. If the parts are installed correctly, all of the diaphragm spring tips lie level with one another. This brochure deals only with the dry luk double clutch as used in the transmission 0am by audi, seat, skoda. The last vehicle with an adjustable clutch was in gm trucks back in 1972. This way, pushrod travel is kept constant throughout their entire service lives.
Selfadjusting clutch sac technology and special tooluser. Aug 14, 1973 an automatic adjusting device for a spring loaded friction type clutch is incorporated, as a subassembly, in the lever system of the clutch between an actuating collar and an axially movable adjuster ring so as to be operable to advance the adjusting ring by very small increments as the friction surfaces of the clutch wear. Self adjusting diaphragm lever self aligning release bearings the bearing will self align within the first few cycles after installation. Under the brands luk, ina, fag, and ruville we offer clutch and release systems, engine and transmission applications, as well as chassis applications.
Dps6 dual clutch service ford motor company 1022015 version 3. The most striking features of these pressure plates are the circularly arranged ramps on the clutch housing and the adjustment. Alignment tools free delivery possible on eligible purchases. Outlined below are many of the distinct steps necessary to ensure an effective repair. There are two types of self adjustment force controlled and travel controlled. If the adjustment ring is not turned back, the application force of the clutch is reduced, this results in an increased wear of the clutch disc. Luk gmbh and co kg priority date the priority date is an assumption and is not a legal conclusion. A selfadjusting clutch sac provides automatic wear compensation and ensures that the force needed to press the clutch pedal remains low over the entire service life of the clutch. Assembly instructions for the luk repset pro with luk sac. Or its self adjusting diaphragm clutch, released in 1995 that extended the service life of clutch assemblies by more than 1.
Todays clutches require self adjusting release bearings. When i went to get a clutch adjustment i found out what type of clutch it was and i was not pleased. Mechanics i have talked to agree and i was shocked to see they even used this design. Selfadjusting pressure plate with ramps and compression springs the luk repset with selfadjusting clutch sac has already been delivered with the standard pressure plate design for many years now fig. Wilhelm schaeffler founded luk gmbh multidisc and clutch. Qualvecom is one of irelands largest distributors of automotive components, with a reputation for unequalled service to its customers since the business commenced over 30 years ago. Stewart demonstrates our self adjusting clutch tool which is used to avoid self adjusting clutch covers from ratcheting during installation.
How to replace your self adjusting clutch m52 post oct. Eaton s advantage self adjusting clutch is the best selling clutch in north america. The automotive aftermarket division is responsible for the global spare parts business and delivers innovative repair solutions in originalequipment quality. A self adjusting pneumatically operated vehicular master clutch actuator is provided. Luk repair solution for dry double clutches 7speed transmission oam in audi, seat, skoda and volkswagen. Unit a1 knockmitten, western industrial estate, dublin 12, ireland. I know, i should have pulled the inspection plate myself when i bought it to see what it was, but i actually trusted the salesman, big mistake. This wear adjusting mechanism reduces the required actuation forces while increasing clutch life by around 1.
When the clutch is engaged, the full engine torque is transmitted to the gearbox input shaft. The luk self adjusting clutch sac contains an innovative adjusting mechanism that guarantees a consistent high driving comfort. Since the early 2000s bmw has been using a clutch design known as the self adjusting clutch. Industrial the industrial division offers a wide portfolio of bearing solutions, ranging from highspeed and highprecision bearings with small diameters to largesize bearings several meters wide. I researched the procedure so thought i knew what i was doing. The company was the first clutch manufacturer to set itself the challenge of replacing the. Luk special tool for selfadjusting clutches sac part no.
Google has not performed a legal analysis and makes no representation as to the accuracy of the date. Adjust the cable or mechanical linkage free play to the manufacturers specifications. The selfadjusting clutch sac has proven itself in almost 1 million vehicles. In systems with self adjusting cables, always check for correct operation of the self adjusting mechanism. If the adjustment ring is not turned back, the application force of the clutch is reduced, this results in. Self adjusting pressure plate with ramps and compression springs the luk repset with self adjusting clutch sac has already been delivered with the standard pressure plate design for many years now fig. So, to satisfy their increasingly annoyed customers and protect their reputations for reliability, manufacturers started using hydraulic, or cablebased, self adjusting clutches, which adjust. For this reason, and because the service intervals are becoming longer and longer, it was only a matter of time, until it was introduced for the cable operated clutch as well. Mercedesbenz sk, mk 430 mm 1 9735 002 918 luk 643 2918 00 renault magnum, premium ii, kerax 102005 430 mm 1.
Hydraulic selfadjusting clutches adjust the amount of free play, all the time, by themselves. Only when installing a new clutch disc with a used self adjusting pressure plate, the adjustment ring of the pressure plate must be turned back to the stop. Different manufacturers parts for the same application may have. Finger height unmounted clutches may have significantly different appearances. It is designed and manufactured to strict original equipment oe specifications, delivers more protection and less maintenance, and offers maximum uptime and performance. The eaton self adjusting clutch is just a poor performer all around.
1435 563 918 1250 1128 838 702 847 957 176 1172 564 364 799 1081 1389 773 1204 229 1385 872 1215 1232 1365 107 437 691 73 1310 1241 1351 703 1367 1054 1406