Tips & Technology

Tips & TechnologyFor Bosch business partnersCurrent topics for successful workshops No. 05/2010Brake systemsInvented for lifeTesting of all-wheel drive vehiclesThe number of all-wheel drive vehicles is on the riseFor a variety of reasons there has been a considerable increase in the number of allwheel drive vehicles on our roads in recent years, not least due to the current trendtowards SUVs. Reason enough for workshops to familiarize themselves with suchvehicles to be equipped to handle the resultant business.Brake testing for all-wheel drive vehiclesTesting the brake system of an all-wheel drive vehicle is a real challenge on a singleaxle roller dynamometer of the sort found in most workshops.To make things easier, the following table provides a list of the most common modelsfrom the major vehicle manufacturers and an outline of the most important testconditions and settings for the vehicle concerned.(the table can be found on the next few pages)

Tips & Technology No. odel155 Q4167Yes156 Q4932Yes156 Cross wagon932Yes164 Q4164YesAll series3 Series with xDrive5 Series with xDriveX3, X5FiatYesYesYesYesLXYesVoyager AWDES, GS, RGNoCharadeG112YesSirionM110, M111,M311NoApplausA111YesYRVMateriaNoNoRocky, FerozaM211M412J100, J102, J200,J210F7, F3YesNitroKA,KKYesPanda 4X4141YesPanda Climbing169YesPanda Trekking169YesPanda Cross169YesTempra S.W. 4x4159YesSediciFYYesDucato 4X4233, 244, 290YesSantaFeTucsonTerracanHyundaiTesting300C AWDTeriosDodgePage 2TerracanH1 StarexSantamoGalopperSpecial featuresTest speed max. 7.5 km/h, test timemax. 30 sTest speed max. 7.5 km/h, test timemax. 30 sTest speed max. 7.5 km/h, test timemax. 30 sDeactivate all-wheel drive by removingfuse 3Test speed min. 4, max. 6 km/hNoNoNoTransmission set to N, test speedmax. 5 km/hViscous coupling selector lever in "free"positionViscous coupling selector lever in "free"positionNoSelector lever position 2HSwitchable all-wheel drive: Activate 2WDmode. Permanent all-wheel drive:Transmission set to N, test speedmax. 5 km/hDeactivate all-wheel drive via selector leveron center consoleTest speed max. 7.5 km/h, test timemax. 30 sTest speed max. 7.5 km/h, test timemax. 30 sTest speed max. 7.5 km/h, test timemax. 30 sTest speed max. 7.5 km/h, test timemax. 30 sDeactivate all-wheel drive via switch onhandbrake leverDeactivate all-wheel drive via switch on leftswitch module (green warning lamp offduring test)NoNoWith TOD (greyimport)With ESTM-200EJK-T01NoYesYesYesYesSelector switch set to 2HSelector switch set to 2HTest speed max. 6 km/hTest speed max. 6 km/h

Tips & Technology No. 05/2010MakePage 3SeriesModelTestingCompass,PatriotMKYesWranglerJK, TJ, YJYesCherokeeKA, KKYesGrand CherokeeWHYesWJ, WG, Z, ada4x4 (formerly Niva)YesY10 4WD156YesDelta Integrale831, 835YesFreelanderFreelander 2DefenderRX 400h,LS 600h323 1.6 Turbo GTX6 MPSCX 7B-Series, YesLanciaLandRoverLexusMazdaMitsubishiPeugeotC10V, C50, C70CA0, CA0WYesD00W, N30, N50YesTest speed max. 6 km/hE30, E50Z10H60WL040, V20, K90L200, K60T15B DD7, 15EDD715B DD7, 15EDD74B RFX7, 4ERFX74B RGZ7, 15BDF74B RFX7, 4ERFX7YesYesYesYesYesTest speed max. 6 km/hTest speed max. 6 km/hTest speed max. 6 km/hTest in 2WD modeTest in 2WD modeYesDeactivate differential lockYesDeactivate differential lockSpace WagonYes405 Break GRI x4405 SRI x4405 Break SRI x4405 T 16 x4Deactivate differential lockRemove 4WD fuseRemove 4WD fuseD00W, N30, N50Yes405 GRI/SRI x4Transmission set to N, test speedmax. 5 km/hRemove "AWD" fuseRemove "AWD" fuse"Low-speed test benches", differential lockdeactivatedDeactivate all-wheel drive via selector leveron center consoleTest speed max. 7.5 km/h, test timemax. 30 sTest speed max. 6 km/hTest speed max. 6 km/hSelector lever in neutral position, differentiallock deactivatedDeactivate all-wheel drive, release freewheeling hubsTest speed max. 6 km/hLancer KombiSpace Wagon 2.0Space Wagon 2.4GDIGalant3000 GTPajero PenninPajero, Pajero SportL200, L300Special featuresTransmission set to N, 4WD locking switchnot actuated, test speed max. 5 km/hActivate 2WD modeSwitchable all-wheel drive: Activate 2WDmode. Permanent all-wheel drive:Transmission set to N, test speedmax. 5 km/hTransmission set to N, test speedmax. 5 km/hNoNoNo

Tips & Technology No. 05/2010MakeSeries405 Mi 16 x4Page 4Model4B RGZ7, 15BDF7TestingNoSubaruSuzukiToyotaCan be tested in 2WD mode, test durationmax. 30 s, interval min. 5 min4007YesJ5 x4BoxerNoYesOctavia I 4x4Octavia II 4x4Octavia II ScoutSuperb II 2.0 TDI4x4Superb 3.6 V6 DSG4X4JustyJustyImprezaImpreza WRX STILagacy, ForesterYesYesYesCan be tested in 2WD modeNo informationSwitch off the ignitionRemove the Haldex oil pump fuseRemove the Haldex oil pump fuseYesRemove the Haldex oil pump fuseYesYesYesNoYesNoYesRemove the Haldex oil pump fuseRemove the Haldex oil pump fuseSet selector shaft on transmission to 2WDSet lever on underside of transfer caseto 2WDTest speed max. 7 km/h, test durationmax. 30 sSet lever on right side of rear axle differentialto 2WDSet toggle switch next to handbrake leverto 2WDSet rotary switch at center console to 4H,test speed max. 7 km/hRenaultSkodaSpecial featuresUp to MY 2003As of MY 2004Swift, BalenoEA, EGYesSwift, Liana,IgnisMZ, ER, FH, MHYesWagon R EMYesSX4EYYesGrand VitaraJTYesAll seriesWith viscouscouplingYesUp to MY 2002except S60NoWith Haldex couplingUp to MY 2008YesHaldex oil pump fuse removed or ignition offWith Haldex couplingAs of MY 2009YesHaldex oil pump fuse removed or ignition offVolvoTest speed max. 5 km/h, test timemax. 1 minVWGolf II SynchroYesFor front axle testing, reverse onto rollersGolf II CountryYesFor front axle testing, reverse onto rollersGolf III SynchroYesFor front axle testing, reverse onto rollersPassat Variant GTYesFor front axle testing, reverse onto rollersSynchroYesFor front axle testing, reverse onto rollersSharan 4MotionYesFor front axle testing, reverse onto rollersPassat 4Motion(predecessor)YesTest speed max. 6 km/h

Tips & Technology No. 05/2010MakeSeriesGolf IV 4MotionGolf V 4MotionTiguan 4MotionPassat 4MotionPassat CC 4MotionPhaetonTouaregPage 5ModelTestingYesYesYesYesYesYesYesSpecial featuresRemove the Haldex oil pump fuseRemove the Haldex oil pump fuseRemove the Haldex oil pump fuseRemove the Haldex oil pump fuseRemove the Haldex oil pump fuseNo informationNo informationBrake dynamometers from BoschBosch developments are synonymous with innovative progress. Bosch can alsosupply brake dynamometer versions with all-wheel drive capability on which a neutralvalue is generated for the differential by reversing the direction of one roller. There isthus no power transmission to the rear axle; this prevents lifting of the vehicle off therollers.The BSA 434x series features automatic all-wheel drive recognition. In addition tomanual selection of 4WD mode, the sensors can detect that the vehicle being testedis an all-wheel drive model from the higher rolling friction of the differential andswitch the dynamometer automatically to all-wheel drive mode.This information does not claim to be exhaustive. Always make use of the corresponding service documentation whenperforming testing and repair work. No liability. All rights, including patent applications, as well as sole power ofdisposal and duplication and transfer rights, reserved by Robert Bosch GmbH.

Tiguan 4Motion Yes Remove the Haldex oil pump fuse Passat 4Motion Yes Remove the Haldex oil pump fuse Passat CC 4Motion Yes Remove the Haldex oil pump fuse . is an all-wheel drive model from the higher rolling friction of the differential and switch the dynamometer automatically to all-wheel drive mode.