Audi 90 Quattro Repair and Maintenance

A guide to problems, costs, maintenance and repair for your Audi 90 Quattro

Audi 90 Quattro Problems

Oil Leaks at Valley Pan Gasket and Head Gasket are Common

An External oil leak may develop from the valley pan gasket (under the intake manifold) and/or the head gasket.

Inspect CV Boots and Joints at Each Service

Our technicians recommend having the constant velocity (CV) boots and CV joints inspected at each service. Servicing torn CV boots early can prevent the need to replace the CV half shaft or CV joint.

Inspection of Water Pump and Timing Belt

The water pump may fail resulting in engine overheating and possible timing belt damage. Overheating and/or timing belt failure can result in very expensive engine repairs. As a precaution, it is recommended to inspect the timing belt and water pump at regular intervals.

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Audi 90 Quattro Questions

how do I remove the ignition lock cylinder? (1 answer)

repair cost of hose that goes into firewall just to the right of the battery, (1 answer)

ACID leaked from outlet spouts of battery onto the hose which overtime ate away the hose // Also Brake and ABS lite sensor come on and beep>

Anyone in Anchorage/AK who can repair a 1990 AUDI 90-Quattro-20v's ODOMETER? (1 answer)

5 years ago the odometer on my 1990 Audi "90 Quattro 20v" suddenly stopped working when the car had only 49K miles. (Yes, only 49K miles, and I'm the car's original owner.) Anchorage's only Audi dealership said the odometer could not be repaired or replaced on that model. ...

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Audi 90 Quattro Reviews

need a fair value price some one ran into the front bumper,left fender,left light& signal in fender.inswurance is writing it off because of its age.(800.00 offer)
bought it used with 190,000 on it and runs like a top

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