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  #1  
Old 07-05-2011, 11:33 PM
Gunzer Gunzer is offline
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Default My '05 Laramie is AWD, not 4WD

I've been posting about a torque sensitive vibration in the cab under light or heavy acceleration. Brought my truck all the way back to the dealership and as it turns out my ride is not 4WD but AWD.

No one at this dealership had ever seen one before. I thought I researched these vehicles to death before purchasing and never found any references for an AWD setup.

This brings up several issues seeing how this vehicle had been represented / advertised for sale as being 4WD equipped. But from a technical standpoint, the technician disconnected the front drive shaft and was able to drive the vehicle with no shudder or vibration what so ever. He believes the culprit lies somewhere in the front transfer case. I was given an '08 Big Horn 5.7 2X4 to drive until they fix mine and what a difference in acceleration. My AWD setup struggles to get 13 MPG's on the open, flat highway while being mindful of acceleratoin and RPM's.

I'm not sure if I feel fortunate to have this setup or not. I'm guessing that and AWD equipped vehicle would list higher in the wholesale black book or the retail blue book but I'm less than pleased with the sub par mileage. I didn't buy a truck for the fuel economy but damn, 14 to 16 mpg's is way better than 11 to 13!
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Old 07-07-2011, 10:48 AM
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Hi, I don't have an answer, its good the dealer is looking at the issue so, it's time to .................... this back to the top!
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Old 07-08-2011, 06:37 PM
440Magnum 440Magnum is offline
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I assume you mean "full-time 4-wheel drive" rather than AWD.

When I think AWD, I think a light-duty automotive type system, usually based on a front-wheel-drive car with a fairly heavy front wheel torque bias and electronic traction controls. Although it can be based on a rear-drive car with a rear-wheel torque bias too (the Chrysler LX cars like the Charger and 300 are offered with AWD as an option) its still a fairly light duty system aimed at sporty driving as well as better capability in snow, not going offroad.

Full-time 4WD is still a true heavy-duty truck system, and (IIRC) still includes a low-range offroad mode that locks the center diff just like part-time 4WD does. You'll never find than in an AWD car.

For what its worth, unless you also have locking front hubs that will idle the front differential and driveshaft when you select 2WD, the Part-Time 4wd system is going to soak virtually the same amount of power as yours.Part of the reason your 4x2 loaner feels quicker is just the added weight of the 4x4 system, the rest is the added friction. Its the price you pay to play (in the dirt...).
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Old 07-08-2011, 09:43 PM
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well just a note my uncle has full time 4 wheel drive in his jeep and it sucks
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Old 07-08-2011, 10:46 PM
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I know a lot of the Daytonas were sold as AWD, so who knows, they could have crept into the other models that year.
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