Timeline for What damage can one expect from towing an all wheel drive(awd) with 2 wheels down?
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| Dec 14, 2020 at 14:01 | comment | added | Mathias Dolidon | @EvrenYurtesen I don't know for all, but my car does just that, and goes to 2WD only with a warning light in case of viscous coupling overheat. However it won't help if you car gets towed for example. I suppose that's the OP's worry. | |
| Feb 17, 2017 at 22:47 | comment | added | Evren Yurtesen | @NYCity I just wonder why they do not have the computer check the tire rotations and make warning if there is significant difference. The ABS sensors can already know the rotation speeds. Also it would be quite easy to keep the temperature of the liquid with a sensor and it should point to a problem if the temperature rises a lot due to friction. In either case, good luck :) | |
| Feb 17, 2017 at 22:10 | comment | added | NYCity | @EvrenYurtesen, i'm the op. The car i mentioned is the caddilac xts 15. According to kelly blue books, the xts uses haldex limited slip differentials. The manual recommends but does not require all 4 tires to be change at once even though the car is awd. Perhaps, the tolerance of this car is much more forgiving than other cars. My friend has a subaru wrx and he said according to his manual, his car requires changing of all tires if one is to be changed, that is, if the tire tread is too different from the new tire. Thanks for the links! hopefully it helps others as well. | |
| Feb 17, 2017 at 20:17 | vote | accept | NYCity | ||
| Jan 25, 2017 at 16:32 | comment | added | Evren Yurtesen | @Spivonious I blame not drinking enough coffee. :) In either case apparently the fluid goes bad in time by itself also and cause the VCU to get stiff and damage stuff. I guess if it was my car, I wouldn't worry until I feel something is going on while turning etc. | |
| Jan 25, 2017 at 16:10 | comment | added | Spivonious | I'm not the OP :) | |
| Jan 25, 2017 at 16:06 | comment | added | Evren Yurtesen | Actually, according to the article when liquid goes bad, it gets harder so it transfer torque constantly which may damage the whole system. I found another interesting article: bellengineering.co.uk/5.html You would feel it if liquid gets really stiff, because it would feel strange when making tight turns (since wheels have to turn at different speeds), also as the article mentions. It is very difficult to get more specific because you didn't tell your car model :) You should probably figure out how to test it for your car model by making a web search or telling us more :) | |
| Jan 25, 2017 at 15:47 | comment | added | Spivonious | Excellent answer. In reading your second link, the main concern here is that the fluid has been overheated and is no longer effectively transferring torque between the wheels? | |
| Jan 25, 2017 at 15:32 | history | edited | Evren Yurtesen | CC BY-SA 3.0 |
added 53 characters in body
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| Jan 25, 2017 at 15:03 | history | answered | Evren Yurtesen | CC BY-SA 3.0 |