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My 1998 Subaru the heat comes on and off gauge goes up to high then back down but doesn't over heat?

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  • Subaru Master
  • 22,156 Answers

Need a drive to be honest so i would know whats wrong ,ask a local mechanic to have a look as it could be a cooling fan or a thermostat maybe even the water pump drive shaft to impeller come loose

Posted on Jan 03, 2013

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  • 2 Answers

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Posted on Jan 02, 2017

SOURCE: Subaru Legacy 1998 Over heating

I had a similar problem. Check the temp of the upper and lower radiator hoses. If the upper one is really hot and the lower is not then there might be an air pocket in the radiator. Check the coolant to see if it is dirty or not. I changed the coolant and thermostat and drove only about 5 minutes before it overheated and the coolant became very dirty. My problem was the head gaskets. I also tried changing the radiatir cap. Hope this will help

Posted on Oct 06, 2008

mx5turbo92
  • 545 Answers

SOURCE: i have a subaru legacy outback, abs light comes on

one of your abs sensor is bad or the abs motor,go to local shop to diagnose which sensor,shop usually charge $ 60 to diagnose abs system,good luck, let me know ..

Posted on Jun 04, 2009

10 Years
  • 60 Answers

SOURCE: 1998 cadillac deville fans not coming on starts

If your fans are not coming on then your engine is not receiving the signal that it is overheating. This can be caused by bad fans (unlikely they are both out) a bad relay, or coolant temperature sensor. I would start by checking or replacing the temperature sensor as it can become corroded which is what the PCM uses to turn the fans on. Many vehicles use two sensors, one for the gauge and the other for the ECU, make sure you check/replace the right one. It should be a cheaper part and if you are unsure then match the new one with its location; it should be on the intake manifold or near it, generally with one or two wires. I think you will find your problem as they are common failed parts.

Good luck!

Posted on Aug 30, 2009

  • 30 Answers

SOURCE: renault scenic r reg driving along the temp gauge

it sounds like you have air in the cooling system and it needs bleeding out

Posted on Oct 11, 2009

Testimonial: "did not think of that one very useful thanks regards barry"

wracefans24
  • 1985 Answers

SOURCE: 1999 Oldsmobile Bravada Heating Problem

when engine is cold remove radiator cap and check coolant level,sounds like it is really low and has an air pocket in it.

Posted on Dec 11, 2009

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Free mechanic answers


Check your thermostat,may not be fully opening.Here's how to replace if bad,to check,remove put in pot on stove, heat to 195 degrees and see if it fully opens,and remove and it should fully close.

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1 Answer

My 206 serria 1500 truck doesn't put out heat, the fan works by wiggling it, but no heat


Yes it could be the thermostat or low coolant.
If the radiator is full, I would suspect the thermostat.

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1 Answer

My 1998 Dodge Ram 1500 idles high upon starting it.


Check temp gauge if It doesn't get to normal heat range it won't idle. Your thermostat needs replacing.

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1 Answer

1998 subaru forester overheating heater blows cold air


Any chance of a head gasket leak? Is the coolant level still full? These were known for head gasket issues. Coolant is a closed system and level will not drop unless there is a leak. Make sure there is no air in the system. Replace the radiator cap to make sure that it is operating properly.

Mar 02, 2017 | 1998 Subaru Forester

1 Answer

92 suburu svx it has wiring gremlins check engin light comes on sometimes but I lf I turn the car off and restart it, then it's gone. And gas gadge doesn't work sometimes come on. And no cruse...


The check engine light will set a code, to read this code you must have the system scanned with a special tool. This is not a wiring GREMLIN, trust me. As far as the gas gauge goes you will need to pull the fuel tank out and replace the gas gauge fuel level sending unit.

Feb 25, 2012 | 1992 Subaru SVX

1 Answer

My 1999 Chevy Malibu runs hot? It started when it overheated. We changed the thermostat, then water pump, then temp sensor gauge and the temp gauge goes high but only when the heater stops blowing hot...


Air pockets will make the guage do that, and also cause your heat to come and go. Also, a poor radiator, as in rotting, or plugged up, will cause high temperature issues.

Sep 20, 2011 | 1999 Chevrolet Malibu

1 Answer

06 Kia Sedona overheats when ac is on. If the ac is off the van will return to normal temps. Had the compressor just replaced and v-belt. Both fans appear to be running when ac is on.


Does the engine over heat or the gauge goes to hot. Really hot. Since the A/C is on , this puts an extra load on the engine. This is why the fans come on when the A/C is turned on. This is usually low speed fan mode. High speed doesn't come on untilll 220 to 230 degrees. Most vehicles. Cars don't over heat untill the gauge gets in the red, when it starts getting close is time to worry and stop. I guess the question to you would be, What does the temp gauge read?

Jul 02, 2011 | 2002 Kia Sedona

1 Answer

I have an 1998 Subaru Forester - it has overheated three times in five days. The coolant is full and new, the thermostat was replaced today. The old thermostat spring was fully extended, after replacing...


Subarus can be challenging to "burp" Sometimes it takes several attempts to get the air out of the system. The procedure is simple. Top off the radiator, squeeze the hose a few times to help get the air out, replace the cap and start the car. let it idle or drive slowly near home with the heat on high. once the temp gauge begins to rise, if there is no heat get the car back to the driveway before the temp gauge gets half way. Shut the engine off wait for it to cool, at least 10 minutes. Then check the radiator again. If there is still air top off again and repeat. After 3 or 4 attempts if there is still air and or the coolant reservoir seems to be filling, try replacing the radiator cap. If this doesn't solve the problem, It may be a head gasket.

Feb 12, 2011 | 1998 Subaru Forester

1 Answer

Temperature Gauge Always On Cold


As long as your gauge is still moving up, there's no real problem. You have heat coming from the heater. It's only a problem if it's getting too hot. What's going on is that you don't let the vehicle run long enough, and it's so cold outside that the engine stays cold. It raises in temp when your stopped because there's no airflow through the radiator. The thermostat just heats up the engine block, and won't change the reading on the gauge. When this goes bad your car will overheat in just a few miles.

Mar 04, 2009 | 1998 Subaru Legacy

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