Warranty: This genuine part is guaranteed by Audi's
factory warranty.
Fits the following 1991 Audi 100 Submodels:
Base, E | 5 Cyl 2.3 L GAS
1991 Audi 100 Thermostat Parts and Q&A
Q: How to remove and test a thermostat on 1991 Audi 100?
A: In order to do away with the thermostat, unhook the battery and empty the cooling system. To gain assembly access, the power steering pump must be unbolstered. Take out thermostat, observe the direction. Install a new sealing ring, reassemble parts and replace the cooling system.