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Update - Intermitent Heat 1991 Legacy Wagon


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Original post is here

http://www.ultimatesubaru.org/forum/showthread.php?t=94305

 

 

I just wanted to give an update and thank you all for the very useful advice. The problem was as far as I can tell caused by air in the system which was the result of not properly filling and purging the radiator when replaced. The reason the problem was there before I replaced the radiator was almost certainly caused by the old radiator leaking. What I did to fix it. A simple 15 minute burping at a cost me $0 since I had some antifreeze on hand. I did not replace the radiator cap or thermostat.

 

Leaking HG was mentioned but I don't think that was it. I haven't experienced a loss in coolant and I did not see any traces of water in drained oil on my last oil change.

 

My heater is working great and I am staying nice and toasty.:banana:

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Just check your coolant weekly for a while, then monthly if all seems good.

 

2.2s can lose a headgasket, and it is ussually a long affair before they start to show very consistent issues.

 

watch for the bubbles in the overflow too.

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