Hi - new owner of 1998 Avant A 4, 2.8, 5 speed automatic, 2 wheel drive. Speed control does not normally work - has worked once in the past week (since owning), but every other time it does not respond or hold speed. Is this a knows problem with this model? Yup, I've checked the manual for directions (just in case...) Also looking for suggestions on good new/used parts for this car. Good local repair shop, but nearest dealer 150 miles away. Thanks,
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Re: 1998 Audi Avant A-4 wagon speed control problem
Yes it is a known failure of the combination switch (the switch assembly on the left side of the column, comprising the turn signal/cruise control stalk and the headlight stalk). They're a problematic part of the B5 chassis (model year 96-01) A4 cars. The fix is to replace the switch assembly, which involves removing the airbag and steering wheel. It's not a difficult job but I recommend having it done by an experienced technician if you haven't worked with airbags before. For the part, you can find them on eBay or at Audi salvage yards like www.shokan.com (who will ship it to you), or you can spend about $150 or so for a brand-new one from www.ecstuning.com, www.germanautoparts.com. Honestly, I'd just buy a new one - if you get a used one, it may last years, or it may last days, and there's no way to know beforehand.
If you're in the northern PA, southern NY area, I can do the work for you with no trouble. Otherwise, find an independent Euro specialty shop in your area - they'll have the experience with the Audi but won't charge as much as a dealership.
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Which do you have ?
Transfer Case - NVG 236 (Two Speed Automatic)
Transfer Case - NVG 233-NP1 (Two Speed Selectable)
The NV236 transfer case is an automatic transfer case with three drive ranges. Shifting from rear wheel drive to four wheel drive is done automatically when the transfer case shift control module receives wheel rotating slip information from the speed sensors. The transfer case shift control module then engages the transfer case motor/encoder to position the transfer case from rear to four wheel drive. When the transfer case shift control module receives information that the wheel rotation is the same on both axles, the transfer case shift control module sends position information to the motor/encoder to put the transfer case back into rear wheel drive. The three drive ranges are 2HI, 4HI, and 4LO. The 2HI position is for normal driving with the rear wheels pushing the vehicle. The 4HI, position is for driving through sand, snow, mud, gravel, or heavy rain at normal or slightly below normal speeds. The 4HI engages the front axle to allow for four wheel drive. The front axle is pulling the vehicle, and the rear axle is pushing the vehicle. The 4LO range is used for off road driving, heavy snow, deep mud, or shallow fording. The 4LO is similar to the 4HI except that the gearing in the transfer case is set for low speed and high torque. The NV236 is manufactured at Syracuse New York by New Venture Gear a division of New Process Gear for General Motors.
Is the switch light on or flashing ? If you have automatic 4x4 there are several DTC'S that can set >
DTC B2725 ATC Mode Switch Circuit Malfunction DTC C0300 Rear Speed Sensor Malfunction DTC C0305 Front Speed Sensor Malfunction DTC C0308 Motor A/B Circuit Low DTC C0309 Motor A/B Circuit High DTC C0310 Motor A/B Circuit Open DTC C0315 Motor Ground Circuit Open DTC C0323 T-Case Lock Circuit Low DTC C0324 T-Case Lock Circuit High DTC C0327 Encoder Circuit Malfunction DTC C0362 4LO Discrete Output Circuit High DTC C0367 Front Axle Control Circuit High DTC C0374 General System Malfunction DTC C0376 Front/Rear Shaft Speed Mismatch DTC C0387 Unable to Perform Shift DTC C0550 ECU Malfunction DTC C0611 VIN Information Error
The 1993 Dodge transmissions could be found in the Caravan, Colt,
Dakota, Daytona, Dynast, Intrepid, Ran Van, Ram Wagon, Ram Charger,
Shadow, Spirit, Stealth, Viper and W150. Each had a unique array of
transmissions best suited for the model's design.
In 1993, the Dodge transmissions varied between 3- and 6-speeds. A
3-speed automatic transmission was available, and there was a variant
that included overdrive. The only other automatic transmission included
4-speeds. A 5-speed manual gearbox found its way into several of the
1993 Dodge models, and a 6-speed manual was equipped in the Viper.
The number of speeds and style of transmission may have looked the same
on paper, but it did not mean they were all the same. An automatic
transmission in a passenger sedan could be geared drastically different
from one in a truck. Transmissions may have the same number of speeds,
but they may not be geared identically.
Transmissions were used in the 1993 Dodge to effectively transfer power
from the engine to the wheels of the vehicle. The power could be passed
to the front or rear wheels. Models equipped with all- and
four-wheel-drive had power at all four-wheels.
The alignment was poorly done You need new brake calipers, the right one could not be letting go Get the Rims Checked they could be bent Did you also align the rear wheels Tires - Condition / Quality Bent Rims The new tires you purchased.....are you sure they were first grade and not second grade tires?