Register today to explore our continuously improving and expanding service offer. While there are ways to limit the increase in pedal effort for instance, by. Blue prints selfadjusting clutch tool sac is an essential piece of. At an engine torque of 300 nm, luk symposium 2006 29 clutch and release system 2. Luk has compared all the options and decided on the simplest sensor. 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. A self adjusting clutch sac provides automatic wear adjustment and ensures that the force needed to press the clutch pedal remains low over the entire service life of the clutch. In addition, the goal of having a clutch which lasts the entire service life of the vehicle was also achieved with the sac. 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. In contrast to the conventional clutch, the disc spring moves between variable pivot points in the self adjusting clutch. The selfadjusting clutch sac has asserted itself in a large number of. 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.
Flywheel must be resurfacedmachined to oem specifications before new clutch kit is fitted. 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. Because the release loads of the sacclutch, as described in this paper, can be considerably reduced in a pushtype application, the pulltype clutch offers no real advantage. I have questions on the operation and replacement of the self adjusting clutch. Wilhelm schaeffler founded luk gmbh multidisc and clutch. Eliminating these adjustments with a selfadjusting clutch saves 36 hours of downtime, plus the cost.
Luk has also developed the last option, which would be advantageous in a pulltype clutch. Dct uses a newly developed luk lever actuator for actuating. Luk clutch flywheel mounting tool set, self adjusting. I have to say this clutch design has to be one of the worst to ever be installed in a big truck. Mechanics i have talked to agree and i was shocked to see they even used this design. This simple procedure installs a self adjusting clutch without the self adjusting clutch installation tool set. Aug 10, 2012 hydraulic selfadjusting clutches adjust the amount of free play, all the time, by themselves. If the luk repset part number is the correct one for the application, you can be sure the components will fit and function properly, despite differences in appearance. Aug 03, 2016 the luk selfadjusting clutch sac contains an innovative adjusting mechanism that guarantees a consistent high driving comfort. Sac mounting tool set, self adjusting clutch flywheel 400023710 luk. The picture shows the release load curves for a conventional clutch as new and with worn linings.
To be used on bmw models with self adjusting clutches. Jun 23, 2009 installing a oe self adjusting clutch kit made by luk in a 2004 ford ranger edge 4. Repset clutch kit part number 04193 04193, 622 3116 77 by luk. The sacs wear adjustment is activated by a load sensor in this case the sensor diaphragm spring that turns a ramp ring. Selfadjusting clutches minimize downtime and cut maintenance. Alignment tools free delivery possible on eligible purchases. China self adjusting clutch tool, self adjusting clutch tool from china supplier find variety self adjusting clutch tool from odometer adjustment tools,dsg clutch tool,ac compressor clutch removal tool, suppliers located in china, buy self adjusting clutch tool made in china on. Wolfgang reik introduction the high performance engines preferred today need clutches capable of higher transmission torques, which in turn requires increased pedal effort. Note in comparison the far lower release load of the self adjusting clutch sac, whose characteristic curve remains practically unchanged throughout the life of the clutch. It is mounted on the hollow shaft by means of a support bearing. With the new repxpert, schaeffler automotive aftermarket enters a new level of service for automotive service professionals and facilities.
Tool applications for individual tools listed below list includes applications for all tools included. As the luk sac clutch automatically adjusts, the pressure plate must always be secured without counterforce during installation. The self adjusting clutch sac of the 2nd generation 5 22 chatter causes and solutions 23 45 clutch and operation as a system 47 68 the dual mass flywheel 69 93 automation of manual transmissions 95 121 the torque converter as a system 123 156 cvt development at luk 157 179. Aug 21, 2016 a clutch is the interface between the engine and the gearbox, enabling the interruption of torque transfer for gear change. Mount to fly wheels with 6 mounting nuts and 8 mounting nuts.
Assemble the sac tool and pretension the pressure plate until the cover flange rests on the luk dmf assembly instructions for the luk repset pro with luk sac and luk dmf 415 0146 10. 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. Interior accessories free delivery possible on eligible purchases. When the clutch disc wears down, more pedal force is required to release the. Unless otherwise stated all clutch products are suitable for standard manual transmission without stopstart function. This tool kit really takes the hard work out of pretensioning the clutch plate combination prior to reassembly. Self adjusting clutch installation without the self. May 08, 2012 since the early 2000s bmw has been using a clutch design known as the self adjusting clutch. A year and 2 weeks ago, last time we replaced it, the disc looked nearly new but due to lack of adjustmen. Locating ring and clutch tensioner set used on bmw manual transmissions with selfadjusting clutch. Luk self adjusting clutch assembly skoda octavia mk ii. Buy 8milelake self adjusting clutch tool kit 38 components universal sac clutch tool. Shop for oem self adjusting clutch tool kit with confidence at autozone.
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. Today the transmission became real difficult to shift. Self adjusting clutch tool, china self adjusting clutch tool. The service manual says to depress the fingers on the pressure plate, rotate, then release pressure. Luk, as the first clutch manufacturer worldwide, has. Sac for minimizing the characteristic curve variation and. Self adjusting clutch installation without the self adjusting. An inspection of the clutch showed the throwout bearing was moving the pressure plate fingers as far as they would go. Stewart demonstrates our self adjusting clutch tool which is used to avoid self adjusting clutch covers from ratcheting during installation. Now, most clutch systems are hydraulic and self adjust via residual oil pressure. Luk, as the first clutch manufacturer worldwide, has invested tremendous efforts. This wear adjusting mechanism reduces the required actuation forces while increasing clutch life by around 1. Feb 17, 2016 this simple procedure installs a self adjusting clutch without the self adjusting clutch installation tool set. The selfadjusting clutch sac has proven itself in almost 1 million vehicles.
Luk special tool for selfadjusting clutches sac part no. Hydraulic selfadjusting clutches adjust the amount of free play, all the time, by themselves. Locating ring and clutch tensioner set used on bmw manual transmissions with self adjusting clutch. A self adjusting clutch can be identified by the self adjusting mechanism visible on the.
The automotive aftermarket division is responsible for the global spare parts business and delivers innovative repair solutions in originalequipment quality. Self adjusting clutch sac the sac is a self adjusting diaphragm spring clutch, which, regardless of the lining wear, features a constant actuation force at constant actuation travel. Adjust the cable or mechanical linkage free play to. May 18, 20 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. The sac clutch mandrel kit for centering the clutch disc on the flywheel, while installing self adjusting clutch suitable for bmw vehicles. 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. Oct 16, 2017 the last vehicle with an adjustable clutch was in gm trucks back in 1972.
This means that the pressure plate should not be pulled up with the screws against the force of the diaphragm spring, as this would trigger the adjustment mechanism and impair the function of the clutch. The singleplate ceramic self adjusting clutch apparently has reached the end of its adjustment again and needs to be replaced. The eaton self adjusting clutch is just a poor performer all around. The luk selfadjusting clutch sac contains an innovative adjusting mechanism that guarantees a consistent high driving comfort. The clutch, disc, release bearing and pilot bearing or bushing in your luk repset may not be identical in appearance to the components removed from the vehicle.
Buy 8milelake selfadjusting clutch tool kit 38 components universal sac clutch tool. The work required to compress the cushion spring corresponds to the area below the cushion spring characteristic curve and will be considered as the 100 % reference value figure 4. The dry double clutch has become established on the automatic. Luk ct1012 clutch installation tool no longer available. This tool can also be used to align new and previously pretensioned. When the clutch is engaged, the full engine torque is transmitted to the gearbox input shaft. Assembly instructions for the luk repset pro with luk sac. Under the brands luk, ina, fag, and ruville we offer clutch and release systems, engine and transmission applications, as well as chassis applications. Installing a oe self adjusting clutch kit made by luk in a. Eaton self adjusting clutch problems jim the trucker. Constant pedal force over the entire service life of the clutch. Selfadjusting clutch sac technology and special tooluser. Standar d clutch kits claims will be rejected where clutch kits andor clutch components have been fitted to incorrect or unlisted applications.
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