Hentai Posted January 9, 2006 Share Posted January 9, 2006 I posted here that I replaced my engine temp sensor on my 97 Legacy OBW a couple of days ago. In the process I lost about .5 gal of coolant. I added back while running the engine and will check before I go out the next couple of times. I started thinking, and worrying, and as I am deathly afraid of doing a HG replcement (did one on my last car, also prone to Blown HG:banghead: ) Ill ask... When replacing such a small amount should I worry about additives, type of coolant, special need to burp or remove air, etc ? I used a premix 50/50 Prestone I believe. TIA Hentai Quote Link to comment Share on other sites More sharing options...
lmdew Posted January 9, 2006 Share Posted January 9, 2006 As long as the temp gauge is reading the same, you did not get air into the system. Most coolants are OK to mix. Fresh coolant and a good flush is always a good thing. Quote Link to comment Share on other sites More sharing options...
Setright Posted January 10, 2006 Share Posted January 10, 2006 I suggest you read the updated version of my method, on page 3 or 4 of this post: http://www.ultimatesubaru.org/forum/showthread.php?t=21681&highlight=Coolant+replacement+without Quote Link to comment Share on other sites More sharing options...
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