I have a 95 Aurora. 170000 miles and having lots of problems with cooling system. First off i had a collant leak and fixed it with new water pump. after that id drive in city and short drives. no problems...normal operating temp. after cruising on the highway it will overheat. so i put a new thermostat in and it helped for a lil while. now im driving cars says overheating and tryed to turn on air to 90 deg. and cold air blowing with temp in red. i checked fluids everything looks normal oil radiator fluid tranny...etc no dirty fluids. could this be my waterpump belt, tensioner or possible a clog in radiator. looking for a cheaper fix cause im sick of screwing with it....help please!?!?!
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A possibility is the water pump. This is what circulates the water through the engine and back to the radiator for cooling. Water pumps consist of several vanes attached to a rotating shaft. If a few vanes are broken, you'll get reduced water circulation, causing overheating.
For a 1995 Toyota Camry 4 cyl, 2.2 L, Automatic 4-spd, that runs on regular gasoline, the miles per gallon in the city is 19 MPG. On the highway, it's 26 MPG, and combined 21 MPG for both city and highway driving. The average cost of gasoline per year for this vehicle would be $2700.00.--------------------------------------------------------------------------------------- VAS 5054A
You need to ensure that it is cooling properly and maybe give it a service as it may have a blocked transmission filter.
But check the overheating first then do the service.
Let me know if you need more information.
If the radiator fan is inoperable it will need to be replaced immediately. It is also likely that the owner has been driving the vehicle in this condition which would cause engine overheating and potentially expensive engine damage.
I would not purchase the vehicle. In any event a car of this age will have covered over 100000 miles and you will find that there are numerous mechanical items which break down and need replacing to keep the car on the road and roadworthy. You will be buying a repair bill.
Look for a good low mileage 4 or 6 cylinder car and never purchase or hand over any money to a vendor without first obtaining a thorough mechanical inspection of the vehicle.
Avoid V8s as these guzzle the fuel (especially the older models like this Olds aurora) and offer poor miles per gallon except in slow to moderate speed highway use. Gas prices will soon be over $4.00 a gallon once more and you probably don't want to be stuck with a guzzler unless fuel costs are not an issue for you.
Dude KravCar i seriously want to thank you for helping me fix my car!!@! i have a 1995 Oldsmobile Aurora Northstar 4.0 V8 and i came across your response to someone who was having an overheating problem with their Northstar Engine.....you commented for them to remove and inspect one of the purge lines to bleed out the air........ now after countless hours in my garage and wrongful diagnosis from a repair shop i finnaly have my engine running back fine after reading your response......thanx dude
I had the same problem and tried several things that didn't help. A friend introduced me to a Northstar mech. that explained the real problem. Internal engine relief was faling which created overheating between cylinder sleeves and engine block creating blow back pressure in cooling system. There is a fix for this. The mechanic helped me with the problem and car is running once more... Anyone thinking they have a head gasket, intake gasket, or thermostate problem should look at this fix.
Check your rad hoses. They will tend to collapse (**** in) & cut down on flow at highway speeds, more than city, due to increased demand & flow on cooling system. If they don't feel relatively stiff, I'd change them. You might even see them **** in while sitting and revving the engine a bit.
I have had this problem with my 98 aurora and have replaced all the same components. Temp gauge routinely shows 200 on highway (Fine) but in the city in stop and go will get to around 245. I installed a switch to manually turn on the cooling fans by connecting the ground to pin 86 in the relay for the fan(s). Otherwise the fans will not turn on to 245. This fix works but would like to know an actual solution.