My 1993 Legacy GT (facelift) overheats but it only
My 1993 Legacy GT (facelift) overheats, and it only leaks fluid when the car has been turned off after being driven. When it is over heating the temp guage fluctuates. Could it be the water pump? the leak looks like its coming from under where the inter-cooler is.
Re: My 1993 Legacy GT (facelift) overheats but it only
Does it have over 200,000 if so and you can get to the wp when its cold try to move the bearing/shaft impeller also check t-stat and heater hose look for evidence of of poor gasket install and does the pump make any noise? mine needed a timing belt at 180 and a water pump to replace stock pump at 229 if you need a pump get a new not re man
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There are welsh plugs in the block and head/s at the rear of the motor. They are prone to rusting out . I would say that there was a leak and the coolant under pressure started squirting out causing the overheat. Boiling water escaped under the cap or the hose or tank split . Unfortunately to replace the welsh plugs the motor has to come out as there is no room to work in. So while the motor is out replace all of them as they will all be rusty on the inside. At this point and from your description of immediately shutting down I would not expect and problems with the engine but to be on the safe side it would not hurt to have a compression test done to check head gasket and for cracks.
These engines will overheat for many reasons. >>make sure there is no leaks at all, as air will cause the system to overheat while losing coolant at the same time. Depending if the radiator is original or after market, there may be TWO radiator caps (one on the engine and one on the radiator)- the one on the engine usually is faulty because of direct engine heat to the seal.>> On the thermostat housing, there is an O-ring at the end of the feeder pipe, usually leaks especially if the thermostat was replaced and not the O-ring. >>Check also the hydraulic driven radiator fan>>Check power steering fluid for proper levels first. unplug the switch atop the powersteering pump, start engine, rev to 2000 rpm (fan should increase in speed-you should hear it) if not it may be faulty.>> Check system for proper flow- With engine cold, remove the engine side radiator cap and rev the engine(1000rpm) slightly, notice if the coolant is flowing. If not, possible faulty pump, or clogged radiator. Hopefully this helps
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.
Sounds like your tranny is on the way out. I had a similar problem with my '91 Legacy and it required a tranny rebuild (or a used replacement which would have cost about the same).
Check your tranny fluid level and condition. Be sure to check for leaks. If its very low or empty, or really dirty (it should look red/pink, not dark or smell "burned"), it may be that a fluid replacement may remedy the shifting issue. A friend of mine had tranny issues where it was stuck in first gear, and it turned out that he never changed the tranny fluid in almost 80K miles, and a tranny flush and fluid replacement at his local Jiffy Lube solved the problem. Who knows what his neglect cosy him in longevity through.
Hope this helps.