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Old 07-25-2013, 04:50 PM   #1
shemoves
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1997 Outback

Default Trouble starting...overheat related?

Radiator blew on my 97 Outback and it overheated. After allowing it to cool and replenishing the water in the radiator, it ran fine. I just replaced the radiator and it now has a lot of trouble starting, but runs fine once it is started. I don't see any signs of oil in the coolant or vice versa. Any ideas?
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Old 07-26-2013, 01:54 AM   #2
CypherAZ
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Blown head gasket?
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Old 07-26-2013, 10:51 AM   #3
-=Lobstah=-
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Subarus rarely blow HG between oil and coolant passages, usualy its external oil leak (ej253) or cylimder to coolant jacket, which I believe is what happened to yours. Ej25 dohc are weak when it comes to overheating.
The reason why its having trouble starting is most likely coolant seeping into the cylinder. Next time you start the car watch for a puff of white smoke and monitor coolant level.
Hydrocarbon test will show any hg problems as well..
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Old 07-26-2013, 12:14 PM   #4
bobturismo
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the 2.5 in the outbacks are notorious for popping hg.

you can also rent a coolant pressure tester at O'Reilly, you hook it up the radiator, pump air into the system and see if it bleeds out
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Old 07-27-2013, 04:00 PM   #5
shemoves
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ok, if it is the HG, is it worth fixing? What's something like that cost to repair?
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Old 07-27-2013, 06:06 PM   #6
bobturismo
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I can have those heads pulled off and gaskets replaced in one day, question is if there head is warped.

Jill help you do it, just throw me some cash and you then some wrenches
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Old 07-29-2013, 03:48 AM   #7
shemoves
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Quote:
Originally Posted by bobturismo View Post
I can have those heads pulled off and gaskets replaced in one day, question is if there head is warped.

Jill help you do it, just throw me some cash and you then some wrenches
Any way to tell if the heads are warped prior to pulling them?
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Old 07-29-2013, 11:26 AM   #8
Evil Imports
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If it overheated, the CORRECT way to do it would be to have the heads and block resurfaced to make sure, otherwise it will most likely happen again and you will have just wasting your time and money, do it right the first time
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Old 07-29-2013, 01:15 PM   #9
-=Lobstah=-
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^^^ +1000
At the very least, you have to have heads machined...
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Old 07-29-2013, 01:28 PM   #10
bobturismo
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Quote:
Originally Posted by shemoves View Post
Any way to tell if the heads are warped prior to pulling them?
no, we can try and straight edge them, but normally you take them to a shop and check them there. but if both heads come back straight then there s a chance the block is warped.

does it still have trouble starting?

what happenes if you start it and then try restarting immediately?

best thing to do is look at the car and find out what is wrong first.


Quote:
Originally Posted by Evil Imports View Post
If it overheated, the CORRECT way to do it would be to have the heads and block resurfaced to make sure, otherwise it will most likely happen again and you will have just wasting your time and money, do it right the first time
yeah definitely. up to him if he wants to put that much money into it.




again, it would be prudent to figure exactly what is going on first.
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Old 08-01-2013, 03:23 PM   #11
shemoves
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Have not tried the above stuff yet, J, but I will. If I had the the block and heads resurfaced, would that take care of any potential issues if one or both of them were warped?
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Old 08-17-2013, 03:20 AM   #12
shemoves
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Quote:
Originally Posted by bobturismo View Post
what happenes if you start it and then try restarting immediately?
So I messed with it a bit tonight. It starts back up without issue. So, it is rough to start that first time around, a bit rough for a sec, then normal.
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Old 08-17-2013, 04:22 AM   #13
bobturismo
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Quote:
Originally Posted by shemoves View Post
So I messed with it a bit tonight. It starts back up without issue. So, it is rough to start that first time around, a bit rough for a sec, then normal.

a symptom of hard starting with a blown hg is hard starting because water drains into the cylinder.

sitting a long time, theoretically it should be hard to start unless the water drained past the rings, in which case you would have water in the oil.

since you haven't really run it that much, you could try drain the oil for a second or two and watching to see if the stream is clear since water settles to the bottom and oil floats.
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Old 08-17-2013, 04:43 PM   #14
shemoves
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got it...I'll have to take a look at that.
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