ATS LSD instruction manual
Contents
1. Performance Partners International LLC Tel 562 528 8688 www ppi ats com E mail info performancepartnersintl com yasu performacepartnersintl com ATS LSD instruction manual Warning Installment has to be performed by an experienced mechanic in a properly equipped gar age after he she understands the product well If the product is dropped damaged or rusted please stop using this product Continuing to use a product that has any of the above problems might result in an accident or serious malfunction For a 4WD car it is extremely difficult to measure the initial torque by jacking up the car and by rotating the wheel Do not perform this measurement method A car with ATS LSD should be driven by a driver who understand the characteristics of mechanical LSD Warranty This is a product designed for racing use As such if the installment is impossible due to the broken or damaged parts the new parts will be supplied After the installment and the first use there will not be any warranty Also ATS will not cover any damage caused by a human mistake during the installation Attention The performance and durability of ATS LSD 1s influenced significantly by a choice of LSD oil ATS strongly recommends ATS genuine LSD oil Unsuitable oil can cause excessive chattering noise steering kickback decreased locking performance and short ening of product life Disclaimer ATS products are manufactured for racing use The user shall d2. 7 0 to 10 0kg m More than 15kg m indicates the in ternal misalignment Re align the disks disk spring and other parts Never install LSD into the transmission without checking the initial torque It can cause the serious damage The initial torque number is higher for spec II and spec III Please call us for those LSD info Cross Axis amp pinions Side gear Lower half Start with the clutch plate A 3 to 5 plates and end with clutch plate B Apply LSD oil on the both side of the plate Clutch plate A the rough side down Coned disk spring Washer Apply LSD oil on Washer amp Coned disk spring ww Val Direction of the spring LSD case bottom Clutch plate A which has outer edges Use clamps 2 of them to keep the case top attached to case bottom when you remove the bolts connecting those two You also need clamps when tightening the bolts ACTIVE TRACTION SERVICE 4 b
3. performance Right after the installment the chattering noise is noticeable The noise should be reduced during the break in For the silent LSDs and carbon LSDs the chattering noise should disap pear after the break in while some noise might remain for the standard LSDs During the break in a large quantity of metal particles are produced inside the LSD Please change the LSD oil right after the break in for proper maintenance of performance Use Ist or 2nd gear and at 10 to 20 miles hour and drive figure 8 s for 20 minutes to 30 minutes The chattering noise should subside gradually A break in could be done by driv ing the street for around 200 miles but the straight driving on a highway does not provide proper break in ACTIVE TRACTION SERVICE amp Performance Partners International LLC Tel 562 528 8688 www ppi ats com E mail info performancepartnersintl com yasu performacepartnersintl com Oil change Right after the installment you might notice a noise This is normal The chattering noise should be reduced during the break in It is necessary to change the oil after the break in With hard driving on a race track the differential oil temperature tends to go up and hastens the deteriorating process An early oil change is recommended especially if you race at high tem perature environment The structure of ATS LSD provides enough locking power with relatively low initial torque However as a clutch type raci
4. 90 NRB10990 amp PRB9520 PRB9521 BRB9510 BRB9511 BRB9520 BRB9521 BRB10910 BRB10911 ACTIVE TRACTION SERVICE Performance Partners International LLC Tel 562 528 8688 www ppi ats com E mail info performancepartnersintl com yasu performacepartnersintl com There is a direction on 1 5 way and 1 way cam Depending Direction A on the model number please make sure that you install the cam in a correct direction The LSD parts numbers are divided into two groups Direction A and Direction B l n TA Tef TFB8710 TFB8720 TMB8720 TRB8710 TRB8711 TRB8720 TRB8721 TRB10910 TRB10911 TRB10920 TRB10921 TRB10930 TMB9510 TRB9510 Ai a 9 SST ZT IS SAU fo toh Direction B 1em N ee team NFB9510 NRB9510 NRB10910 NRB10911 NRB10920 NRB10940 NRB10941 NRB10942 NRB10943 NRB10950 NRB10960 NRB10970 NRB10971 NRB10972 NRB10973 NRB10974 NRB10980 NRB10990 NRB109100 NRB109101 NRB109110 NRB109111 NRB109120 NRB109121 NRB109130 ZRB8210 ZRB9510 ZRB10910 ZRB10911 SRB8210 SRB8220 SRB9510 SFB9510 SFB9520 MCB8210 MRB8710 MRB8711 MRB8720 MRB8721 MFB8720 MFB8760 MFB8770 PRB9510 PRB9511 PRB9520 PRB9521 PRB9530 PRB9531 BRB8711 BRB8720 BRB8721 BRB8722 BRB9510 BRB9511 BRB9520 BRB9521 BRB10910 BRBIO911 HFB8750 HFB8751 HFB8760 HFB8780 HRB9510 HFB8790 HMB10910 ring gear is attached on the section P in the diagram above LMB8710 LMB8
5. amp 720 KFB8710 Direction B HFB8710 8730 HFB8711 8731 HFB8770 HFB8780 MFB8710 MCF958713F MCF958714F MFB8750 MFB8750L MFB8760 MRB8730 MRB8 amp 740 NFB8210 ACTIVE TRACTION SERVICE amp Performance Partners International LLC Tel 562 528 8688 www ppi ats com E mail info performancepartnersintl com yasu performacepartnersintl com ATS LSD model specific instruction For additional information please refer to the stock service manual Mitsubishi Lancer Evo 1 2 amp 3 CD9A CE9A Mirage CA4A CJ4A Front LSD e Use the ATS ring gear bolts which come with the LSD with the tightening toque of 13 5kg m 97 6 1b ft The ring gear bolts hexagonal head bolt used for MFB8710 and MFB8720 may not have enough height for a wrench Make sure to apply the correct tightening torque to your box wrench and proceed with care Mitsubishi Lancer Evo 4 5 6 6 5 7 8 8 MR 9 amp 9 MR The tightening torque for the transfer ring gear bolt is 8 5kg m 61 5 lb ft For Honda VTEC FF vehicle Ring 7 a Use the bolts supplied by ATS and fix the ring gear on the flange side of the LSD lid The tightening torque is 10 3kg m 74 5 lb ft for Lid side Speedometer side EF8 EG6 EK4 EK9 DC2 For DCS use the stock bolt and tighten with 12 3kg m 89 00 lb ft ATS bolt For DCS use the stock bolt Speedometer driven gear installment 1 Remove the speedometer gear ASSY from the transmission case Remove the pin Detach th
6. ce the damage could lead to a separation of the final gear from the differential Nissan uses two types of ring bolts M12 and M13 In order to cope with this situation ATS LSD NRA B 10941 has a tap for M13 to use stock Nissan M13 For a car using M12 ATS provides customized bolts with two stages Please do not use Nissan M12 bolt for this LSD A gap between the hole on the LSD and M12 bolt will cause looseness If your car utilizes M12 bolts make sure to use attached ATS bolts instead of Nissan M12 in order to have the correct fit ACTIVE TRACTION SERVICE say amp Performance Partners International LLC Tel 562 528 8688 www ppi ats com E mail info performancepartnersintl com yasu performacepartnersintl com LSD Assembly Start from the bottom Tightening torque bolts for the case top 1 2kg m LSD case top Direction of the spring Washer Coned disk spring Apply LSD oil on Washer amp Coned disk Y spring _ Clutch plate A w outside hook Clutch plate B w inside hook Upper half Start with the clutch plate B 3 to 5 plates and end with clutch plate A Apply LSD oil on the both side of the plate Clutch plate A the rough side up Cam ring the direction of the groove came determines when LSD operates Each 1 5 way model has unique direction Side gear Very Important After the assembly measure the initial torque before the installation to a car Metal 9 0 to 13 5 kg m Carbon
7. e speedometer gear and joint Attach the joint to the speedometer gear provided by ATS Install 4 to the speedometer gear ASSY Install the pin Check the movement of the speedometer gear Install the speedometer gear ASSY to the transmission case Speedometer driven gear installment 1 Remove the speedometer gear ASSY from the transmission case 2 Remove the bolt two of them and open the power steering pump Remove the pump gear 4 Remove the pin and exchange the speedometer gear with the one supplied by ATS 5 Install the pin and gear which is removed in the process 3 Close the pump 7 Check the movement of the speedometer gear 8 Install the speedometer gear ASSY to the trans mission 9 After the installment of speedometer cable and DA6 amp DAS laying the oil pipe refill the power steering fluid ACTIVE TRACTION SERVICE Q m R D R Sam Q p N Sam Q Sam SS aD Q R Sam Sam lt P Tel 562 528 8688 www ppi ats com E mail info performancepartnersintl com yasu performacepartnersintl com ACTIVE TRACTION SERVICE y ATS strongly recommends ATS genuine LSD oil Especially for the first use of ATS LSD please use our genuine LSD oil An inappropriate LSD oil cause an excessive chattering noise and understeer and for a FF car it could cause steering kick back The mismatch of friction materials or additives in the oil and or mismatch
8. etermine the suitability of our products and assume all the risks and responsibility in connection with their use Regarding the legality of the products the local laws vary from state to state Please check with your local law enforcement ACTIVE TRACTION SERVICE amp Performance Partners International LLC Tel 562 528 8688 www ppi ats com E mail info performancepartnersintl com yasu performacepartnersintl com LSD assembly Your LSD is set at the optimum at the factory There is no need to adjust the initial torque at the installment In order to perform LSD maintenance disassembly and reassembly are necessary Please pay the attention to the following points If dust or dirt however small it is sticks inside the LSD case this could cause trouble for the function of the LSD During reassembly remove any dirt or dust Apply sufficient ATS genuine LSD oil on the surface of internal parts Follow the service manual of a car whenever necessary Some of the internal parts have directions or top bottom The direction of the cam is espe cially important fora 1 5 way LSD Please refer to the page 5 For FR Adjust the backlash and preload on the ring gear and pinion properly based on the service manual For FF adjust the preload of side bearing properly Break in A break in is essential after the installment A full powered track run without break in might cause early wear and tear and may result in less than 100
9. ist below does not cover all the oils It is likely the other brand of LSD oil will function well with ATS carbon LSD Viscosity ezson sow 2s oo poo oss po pwo ew pwo O poo o pe o p Oo poo O o pe pwa o ACTIVE TRACTION SERVICE amp Performance Partners International LLC Tel 562 528 8688 www ppi ats com E mail info performancepartnersintl com yasu performacepartnersintl com sj Le ATTENTION ATS LSD accessory bolts for NISSAN TRACTION SERVICE Choice of the accessory bolts The bolts which are enclosed in the LSD kit do not fit all NISSAN models For some mod els it is necessary to use the stock Nissan bolts If the stock bolt to attach the LSD or differential to the final gear is 1 12mm diameter use ATS bolts 2 13mm diameter use Nissan stock NNN The ATS bolts are to be used for fixing the final gear for S13 R32 A31 and C33 which use M12 bolt Bolt diameter The enclosed ATS bolt size is M12 With the pitch same as M13 p 1 0 it could be tightened into the tap for M13 However if it is used for M13 tap the contact made by the teeth is very shallow and it does not provide enough strength at all Never apply this ATS bolts to the cars which use M13 bolt The example for the cars using M13 bolt is S14 R32 33 Type M and R34 depending on the model year When the ATS bolt is used for M13 the tap on the final gear might be damaged and it could be very dangerous sin
10. ng LSD it does have a chattering noise Silent LSD and carbon LSD do not have the chattering noise When turning with a small radius you will notice a small friction noise of clutch plates This is totally normal This noise level is influenced by a choice of oil outside temperature the lower the temperature the nosier it gets and the age of the oil Also the noise tends to be bigger for a FR car The noise level is one indicator for oil change Initial torque Initial torque is the necessary torque to rotate the lifted wheel when a car is jacked up with one wheel sitting on the ground it is also called as a break away torque The initial torque is adjusted to the optimum when the LSD is shipped out from the factory There is no need for adjustment for the first use To check the initial torque measure it when LSD is not hot The initial torque is 1 3kg m lower when LSD is hot If the initial torque goes down to 4 6kg m it is time to adjust The optimum initial torque varies depending on the model However roughly for a FR car it should be adjusted to 10 13 kg m and for a FF car it 1s 9 11 kg m The carbon LSD can function even at a very low initial torque However when it becomes close to 1 5 kg m it is a time to overhaul After the adjustment or overhaul it is desirable to measure the initial torque twice First from the LSD itself right after the reassembly and second after LSD is installed to the car This is becau
11. of viscosity are the main _ reason for those unwanted results With ATS LSD oil the chattering noise is reduced to minimum If you notice the conditions mentioned above with other company s oil it is better to change the oil to ATS LSD oil as soon as possible After changing the oil to ATS oil if the symptoms remain the unwanted friction material could still remain on the surface of the internal clutch discs In that case disassembly is required Clean the internal discs by a thinner and apply ATS LSD oil then reassem ble the LSD ATS LSD oil for FF 80w 90 GL 5 for FR 85w 90 GL 5 lt d r af Y ACTIVE TRACTION SERVICE Performance Partners International LLC Tel 562 528 8688 www ppi ats com E mail info performancepartnersintl com yasu performacepartnersintl com This section is for ATS carbon LSD Carbon disc w inner edge Metal disc w out edge Since December 2007 ATS has been using newly designed internal disks for the ATS Carbon LSD The new version provides more adaptability to many LSD oils from different manufacturers ATS has tested the Carbon LSD with over 20 different LSD oils The following oils are considered to be functioning well with the ATS Carbon LSD However we recommend genuine ATS LSD oils for our use The oil clarity remains within a specified range and the LSD functions normally without any chatter ing noise or any change in the locking characteristics upon the oil temperature change The l
12. se if the initial torque is different you can recheck the preload backlash or other adjust ments during the LSD installment process to the car For a 4WD car rotating one wheel is accompanied by the rotation of other wheels This pre vents the proper measurement of the initial torque with LSD installed in a car Do not measure the initial torque of LSD by rotating a wheel for a 4 WD car ACTIVE TRACTION SERVICE amp Performance Partners International LLC Tel 562 528 8688 www ppi ats com E mail info performancepartnersintl com yasu performacepartnersintl com Name of manufacturer T Toyota N Nissan H Honda Location F front R Rear C Center M mid Cam style A 2 way B 1 5way Diameter of the clutch plate mm Number Parts name Differential case A Washer Dishshape spring Clutch plate A outer Clutch plate B inner Differential case B oon Oak Wh HFB8710 HFB8720 HFB8730 HFB8740 MFB8710 MFB8720 MRB8710 MCB8210 ZRB8210 TMB9510 SFB8210 SFB9510 SRB8210 at oi f amp 3 OO WN A NRB9510 TRA10930 TRB10930 TRAQ510 TRB9510 7RB9510 NFB8210 NFB9510 PRB9510 PRB9511 PRB9530 PRB9531 TFB8710 NRA10910 NRA10920 NRA10940 NRB10910 NRB10920 NRB10940 ZRB10910 TRA10910 TRA10920 TRB10910 TRB10920 NRA10960 Product serial number aeeise fb aaa O amp O AD AD NRB10960 NRA10941 NRB10941 NRA10970 NRB10970 NRA10980 NRB10980 NRA109
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