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Overheating 1995 Subaru Legacy has us stumped.
Posted 03 December 2004 - 10:48 AM
Posted 03 December 2004 - 11:04 AM
If it was the head gasket, then you would have gotten air bubbles in the coolant as the engine ran, or had a sweet smell along with a lot of white smoke coming out of your exhaust.
Posted 03 December 2004 - 11:21 AM
Posted 03 December 2004 - 11:35 AM
I had a similar problem when the timing belt was not properly installed on my Saab 900. The timing was not set right. The car ran fine but overheated when driven longer (cca. about an hour in town) or a lot quicker if speeds were over 70-80 kmh. If I drove it doing 60 kmh it would not overheat. The shop that actually changed the headgasket couldnt figure out what was wrong. It was not a specialized saab shop but an ordinary mechanic as my gasket blew while I was travelling. I installed a new radiator, original thermostat, radiator cap,... all in vain. Finally had to move along and drove off home doing 60 kmh and resting every half an hour. When I arrived home I undid everything only to find that the timing marks were not all aligned well. Corrected the problem and havent had a problem with overheating in over two years.
Have them check the timing. If the headgasket has blow you would either have white smoke coming out of your exhaust or milky looking oil or traces of oil in the coolant or excessive pressure in the cooling system. All this can easily be checked.
Posted 03 December 2004 - 11:40 AM
It is a last ditch effort to check after replacing the thermostat again (after markets are notorious for not working for many makes---I have been through 4, yes 4 on one car before I got one that worked right) and making sure there is no air in the system.
Good luck, but at least cooling systems are cheap and generally easy to work on.
Posted 03 December 2004 - 04:14 PM
is the shop you take it to a subaru shop?
if its not, i believe they are not bleeding the air out correctly and might have damaged the car. (i have seen this so many times i wish i had a nickle each time!)
Posted 03 December 2004 - 04:47 PM
2. You TOWED it to your friends house? ... groan.
Posted 03 December 2004 - 10:31 PM
Posted 04 December 2004 - 06:08 AM
Posted 05 December 2004 - 01:14 AM
Posted 05 December 2004 - 02:29 PM
Posted 06 December 2004 - 11:09 AM
Posted 06 December 2004 - 12:15 PM
Pull the T-stat out Completely......Button the Car back up, fill rad Back up and Overflow bottle to its Propper fill line.....By pulling thre T-stat you take out the Burping factor.....
Go drive the car on the hwy a minimum of 10-15 miles with heater on mid setting......watch your Heat guage....it should Climb to propper Operating temp or just below if weather is Chilly and Stay there.....and you should have good heat in the car as well.....i Go back home check your overflow Bottle...is it full or overflowing....? if So , I'd Put money on a Head Gasket blown......( Once up to operating temp you are getting exhaust blow-by into the Cooling system....) if not, let the car Cool off for a min of 4-5 hrs....Look and See if any or all the Overflow Bottle is empty....???? if it is Completely empty....?? fill it 3/4 full go drive again.( the same Distance as Before) come back let it cool off 4-5 hrs and Look at overflow again......if it drank all your water again , it is either pissing water out a coolant hose externally, or you blew a head gasket but it is from a Water jacket to exhaust, and Only blowing water under hard driving conditions where you get the Ride a Bit warmer than normal....
If However you pull the T-stat and The Works Fine like it used to other than taking longer to warm up... Do as others have already said....
Get a Subaru T-stat, and Install it ...then slowly Fill the system back up using the Small fill /burp hole on the Top pasenger side of the radiator......it is only about 5/8 round , so pour slow...... Fire the car up let it run to operating temp..Baby sit it.......Shut it down, let it cool off, then do it again several times......checking water in the Rad Each time as well as the overflow.....
Doing this takes a bit of time, but your guarenteed to get all air out of the system.....
One question I have is .....Does it overheat right away at hwy speed, or does it take oh say 15-30 mins of driving before it starts creeping up there...?
this will help determine the issue......
Hope this Gets you pointed in the right direction.....John
Posted 07 December 2004 - 06:19 PM
You did say you drove it home with no heat? If you can't get heat out of the core that is a symptom of a burp issue. That would explain why you only overheated intermittently on the highway as opposed to a constant overheating and unable to drive at all.
could also be signs of an external head gasket leak... vs internal.
really needs a sniffer test done to be certain.
my GT never overheated at hwy speeds
only at idle.....
and not only did the HG's go... i melted the block in my ignorance
Posted 07 December 2004 - 06:39 PM
Posted 15 December 2004 - 02:29 AM
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