Question about 1992 Subaru Loyale
My temperature guage shows cold all the time, but the heater still works inside the car. Is it a bad guage or something else?
First question: Your Temp. gauge in your car does not work. Have you noticed if your electric cooling fan is working? These 2 are connected and is A: Bad thermo sensor located on radiator (Passager side) toward bottom of tank.
B: If you pull the sensor from your radiator and no.or very little water/coolant comes out. Then the problem is a plugged radiator.
Those radiators plug very easily with crud. The fix is simple.
Fill with Draino Max. Yes...the gel or liquid type used in everyday household drains.
Let it set in the radiator for about an hour (Shaking about every 5 minutes or so.
Then drain and rinse very well with very hot water.
I bet TONS of crud comes out when you rinse.
Re-install the radiator once its rinsed and refill.
This should fix your problem with the radiator flow.
If the problem has not gone away.....
You can replace your thermo sensor for about $157
OR you can buy one from a wrecking yard fro about $5
These thermo sensors are very tough a RARELY go bad.
This should fix the problem.
If it doesn't....try replacing your relay located under hood. passager side...near the fire wall.
The relay looks like a lil black box located under a plastic container with rubber tubes coming from it.
Posted on Mar 28, 2013
Most likely its the temp.guage sending unit.
Posted on Jan 22, 2009
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Posted on Jan 02, 2017
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