1998 Audi A4 Quattro Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1998 Audi A4 Quattro

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1998 Audi A4 Quattro Problems

Fluid Leak From Transmission Output Shaft Seal

A fluid leak may develop from the propeller shaft seal on the rear of the transmission. Our technicians tell us that replacing the seal will commonly correct this concern.

Various Probelms Caused by Clogged Plenum Tray Drain

Clogged drains can allow rainwater to accumulate in the plenum tray (at the base of the windshield). The water may leak into the vehicle's interior, brake booster, or electrical components, which can lead to major problems. Our technicians recommend keeping the tray clear of leaves, pine needles, and other debris.

Check Engine Light Due to Vacuum Leaks, Oxygen Sensor, or Catalytic Converter Fault

Vacuum leaks, oxygen sensor failure, and catalytic converter efficiency faults can cause the Check Engine Light to illuminate.

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1998 Audi A4 Quattro Questions

Is the torque converter the same for a 2.8 and 1.8t on the Quattro? (1 answer)

I need a torque converter for my 98 a4 with a 1.8t and I found one that was labeled for 2.8, is the torque converter the same spec for both?

Where to turn off wagons back wiper? Never used it(no snow ice)children turnedon (1 answer)

Never used the back wiper on Avant Wagon. Grandchildren turned it on somewhere in car. No info in Owners Manual on it. Even my factory-trained mechanic husband (retired) couldnt figure it out. :)

After changing timing belt and heads, why would the trans. Act like its slipping (1 answer)

I changed the timing belt, heads, and head gaskets. The car starts up and runs, but now its acting like the transmission is slipping. I've never had any problems with the transmission in the past, and no fluid leaked while working on my car.

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1998 Audi A4 Quattro Reviews

the car overheats, steam comes from the back of the motor when warmed up and eventually overheats. the steam comes from the top of a piece on the back of the motor and has no hose attatched. and the heater blows cold are all the time
car running hot
Problem free until now. Has right rear brake caliper frozen. Replacing it, as of now.

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