I suspect my monster-in-law's Subaru has a head gasket leak (big problem with certain Subies as I found out) as I'm adding approx. 10-12 ounces of coolant between 3,000 mile oil changes. I've ordered the test kit from Blackstone and I'm wondering if I need to wait longer than 3,000 miles for this size coolant leak to show up good on a used oil analysis. I'm Doing this so it can be taken care of under the powertrain warranty which will expire soon as the car has 58,000 miles and the warranty expires at 60,000. Thoughts and comments welcome!
HOW LONG TO DETECT COOLANT?
- Thread starter MADMIKE
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It'll show up. Now the Glycol won't show up if the leak is small. Only sodium/potassium may/will. But then again Glycol may not even show up for a long OCI. Do the test now. Telll them you are looking for antifreeze when you send it in. If its suspicious you can get Terrry Dyson to verify its leaking and he will give you a writeup to for the dealer.
Thanks Al--I already decided to spend the $40 to get the "Dyson Analysis" since we will be presenting it to the dealer. If it does show up the only thing I'm afraid of is that they'll only replace the gasket on one side and it probably won't be long before the other side starts leaking. They'll probably tell us to get the coolant "conditioner" (stop leak) put in and see if it works but B. S. on that--that's not a permanent fix!
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