Question about 1994 Audi S4
The temp guage rises fast in normal driving conditions. The coolant rises to boiling temps all of the time.
So far we have replace the thermostat, water pump, fan clutch, coolant, flushed the radiator, and still it over heats.
Is this a common problem with Audi or have I missed something??
Is the system completely full? DId you fill up the system while running, with cap off. Burping radiator hose while filling, Then wait til thermostat opens and sucks coolant from radiator to engine block, then fill system again? Try changing your temp sensor. Make sure it is 50/50 mix and you can also use thinner 5w30 or synthetic oil. Synthetic adjust to the temp. Also a K&N filter or cold air intake will help. Same with more open exhaust. Check that your CAT isn't plugged. Make sure EGR valve is opening allowing fresh air to cylinders.
Posted on Sep 12, 2009
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Posted on Jan 02, 2017
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