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Last changed: 2024/01/01 00:00 / History | Edit |
Passat B2 Syncro (Quantum in the US, Corsar in Mexico, Santana in Brazil) (Edit)full-time all wheel drive with manually lockable differentials, same as quattro evolution I. See quattro evolutions. You have better pictures or videos of Volkswagen Passat B2 Syncro (Quantum In The Us, Corsar In Mexico, Santana In Brazil) that you can contribute? Please send them to ! Golf Mk2 Syncro, Passat B3, B4, Sharan Syncro (1996-2001) (Edit)viscous coupling automatic all wheel drive system. A viscous coupling installed instead of a center differential, with freewheel mechanism to disconnect the driven axle when braking. Open rear differential. Open front differential. In normal conditions, this is a front wheel drive vehicle. In normal driving conditions 95% of torque transferred to front axle. Because viscous coupling is considered to be "slow" (some time is needed for silicone fluid to warm-up and solidify), 5% of torque is transferred to rear axle at all times to "pre-tension" the viscous coupling and reduce activation time. The coupling locks when slipping occurs and up to near 100% of torque is automatically transferred to rear axle. In on-road conditions the car will not move if one front wheel and one rear wheel lose traction. The freewheel segment, installed inside the rear differential, lets rear wheels rotate faster than front wheels without locking the viscous coupling and preventing ABS from applying brakes to each wheel independently. Because of the freewheel, torque can be transferred to rear axle only when vehicle is moving forward. For all wheel drive to work when reversing, a vacuum-actuated "throttle control element" is installed on the differential case. This device locks the freewheel mechanism when in reverse gear. The freewheel mechanism unlocks when the gear shift lever is pushed to the right pass the 3rd gear. The freewheel is not unlocked immideately after leaving reverse gear on purpose - this is to prevent the freewheel from cycling from locked to unlocked if the car is stuck and driver is trying to rock the car by changing from 1st to reverse and back. Disadvantages of this all wheel drive system are related to actuation time of the viscous coupling. 1: When cornering under acceleration on a slippery surface, rear axle is engaged with delay causing sudden change in the car's behaviour (from understeer to oversteer). 2: When starting on a sandy surface, front wheels can dig into the sand before all wheel drive is engaged. You have better pictures or videos of Volkswagen Golf Mk2 Syncro, Passat B3, B4, Sharan Syncro (1996-2001) that you can contribute? Please send them to ! Passat B5 Syncro (1997-1999) / Passat B5.5 4motion (1999-2005) / Phaeton (Edit)Torsen-based full-time all wheel drive. See quattro evolutions. Have you seen a better description of Volkswagen Passat B5 Syncro (1997-1999) / Passat B5.5 4Motion (1999-2005) / Phaeton in a paper magazine? Can you please scan it or take a photo and send it to ? Passat B6 4motion (2005-...) (Edit)Haldex Generation II automatic all wheel drive. Haldex Generation IV automatic all wheel drive since 2007. Have you seen a better description of Volkswagen Passat B6 4Motion (2005-...) on the web? Please send us the link to or post it in a comment below! Golf IV/V/VI 4motion, Bora/Jetta 4motion, Beetle Rsi, Sharan 4motion (1999-...) (Edit)Haldex Generation I automatic all wheel drive. Haldex Generation II automatic all wheel drive since 2002. Haldex Generation IV automatic all wheel drive since 2007. Have you seen a better description of Volkswagen Golf Iv/V/Vi 4Motion, Bora/Jetta 4Motion, Beetle Rsi, Sharan 4Motion (1999-...) on the web? Please send us the link to or post it in a comment below! Golf VII 4motion (2013-...) (Edit)Have you seen a better description of Volkswagen Golf Vii 4Motion (2013-...) in a paper magazine? Can you please scan it or take a photo and send it to ? |
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Tiguan 4motion (2007-...) (Edit)Do you own Volkswagen Tiguan 4Motion (2007-...)? Can you please make a photo of the car's 4x4 transmission, switches, dashboard lights, etc. and send it to ? T3 Syncro (1985-1992) (Edit)Rear wheel drive-based automatic all wheel drive system with torque transfer to the front axle via viscous coupling. Freewheel mechanism(?). Manually locking rear and front differential. Have you seen a better description of Volkswagen T3 Syncro (1985-1992) in a paper magazine? Can you please scan it or take a photo and send it to ? T4 Syncro (Edit)Automatic all wheel drive system with torque transfer to the rear axle via viscous coupling. Freewheel mechanism. Optional manually locking rear differential. You have better pictures or videos of Volkswagen T4 Syncro that you can contribute? Please send them to ! T5 4motion (Edit)Haldex automatic all wheel drive. Optional manually locking rear differential. Do you own Volkswagen T5 4Motion? Can you please make a photo of the car's 4x4 transmission, switches, dashboard lights, etc. and send it to ? Touareg (Edit)Full-time all wheel drive. 50/50 torque split under normal conditions. Multiplate clutch lockable center differential. Optional rear lockable differential. Front open differential. Low gear. Differential locks are engaged by ECU, but also can be engaged manually by the driver. The car is also equipped with Hill Descent Control, Hill Start Assist. Have you seen a better description of Volkswagen Touareg on the web? Please send us the link to or post it in a comment below! Iltis (Edit)Part-time all wheel drive. Manually lockable rear differential. Manually lockable front differential. There is a small lever on the floor between the driver's and passenger's seat located next to the passenger's seat that shifts between 4wd and 2wd. This switching is purely mechanical. When you put the Iltis into 2wd it goes into rear-wheel-drive. Engaging the 4wd lever will engage the front wheels. Between the driver's and passenger's seat located next to the driver's seat is another small lever which switches the differential lock in and out. The diff lock is on the rear wheels. This switching is purely mechanical. Diff lock is normally left in the out position. The super low first, which is labelled "G" on the shifter, is only available 4wd. Do you own Volkswagen Iltis? Can you please make a photo of the car's 4x4 transmission, switches, dashboard lights, etc. and send it to ? Schwimmwagen type 166 (Edit)Do you think this information about Volkswagen Schwimmwagen Type 166 is incorrect? Please send us what you know to or leave a comment below.
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Last changed: 2024/01/01 00:00 / History | Edit |
This is a Wiki, so feel free to correct any factual or grammatical error. Test here before posting.
How do I get a print of this great illustration.
Thanks Rob
Which one?
Touareg II has two different AWD system:
4motion, the same with Q7, Torsen center differential
4Xmotion, Multiplate clutch lockable center differential updated from the first generation, which has more powerful off-road capacity
Hello,
I'm Alessandro I've a vwT4 syncro '98 when I insert manually the 4wd system does not turn on the marker lights!
What can be the causes?
Thank you much