My girlfriend bought a 99 subaru legacy 2.5, she gets it home and the thing is overheating and the vent started only blowing cold air. I replaced the thermostat and flushed the system, still overheating. any help would be greatley appreciated..
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Re: 99 subaru legacy overheats...
It may have a blown head gasket if it keep over heating or there could be just an air lock in the cooling water,, you will need to bleed the air out to stop the over heat as the water is not going around the engine its not opening the thermostat so it cant bleed its self take off a water pipe thats the higest pipe you can find it may have a bleed vent in a pipe were you can bleed it from ,,,top up the rad and header tank take off the bleed nippel when water with no air is coming out and the jobs a good un? run the motor for a time or go for a drive to check its not ever heating again and the heater should by now be blowing hot air,, top up the rad and header tank when its coold down
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You'll need more info to proceed. When does it happen, how long after you start driving, what have you checked or replaced so far, etc. Could be a long list of things including the thermostat or the radiator fan. Or even low on coolant.
Well it sounds like you have covered most of the bases. One thing that could cause overheating is a restriction in the exhaust. Do you know if the radiator fan is coming on when the engine reaches 220 degrees ? How long can you drive it before it starts overheating, and does it boil over when it does ?
Hello, mdaniels676 and thank you for asking your question on Fixya!
Here is a simple process that will walk you through a few steps that
will pinpoint the overheating problem on your 1995 Subaru Legacy,
without even using any tools. It has helped millions of people, and I am
certain that it will help you, because I wrote it for people in your exact situation. How to diagnose your overheating 1995 Subaru Legacy
i had the same problem with my 1996 subaru legacy grand wagon,which is identical to yours.it had a cracked head,the gasket was fine.not cheap to get done but id get it done now before more serious damage is done.
cool air and overheating point to low coolant level. Do you have a bleeder valve near the thermostat? You may have air trapped in the system. If no air trapped, the radiator may be plugged up not allowing proper circulation of coolant.
I hate to tell you this but the guy isn't returning your calls because the head gasket is blown and he probably knew it. As for the 1990... have you checked the water pump for leaks? (front/ driver's side on the bottom of the engine) My guess is that it's faulty and unfortunately, it's behind the timing belt. Both of these repairs will be a pretty penny. Good luck!
Sorry if this might break your heart. I have '98 Outback which is the same 1st generation DOHC 2.5 engine. These are common head gasket problem (I'd say 100% of every engine sooner or later) once you have had your car overheated.
You will not get this comfirmed by just have your mech check the compression on the cylinder because we call it phantom leak (internal leak which can be confirmed with hydrocarbon in coolant). And then you will end up replace every other thing before you could reach the source of problem.
Other signs of this issue are as following: random overheating after freeway or uphills drive, bubbles in coolant overflow tank, oil residue in coolant overflow tank, bubble nioses from the a/c vent.
You're looking at $1000-1500 repair by independent mech as they have to pull engine out to fix the problem. I had mine fixed two weeks ago and now my baby is running like a champ.