SN95 Mustang 1994-2004 Mustangs Member Tech & Restoration Discussion

little oil in expansion tank, 98 mustang v6??

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Old 11/28/14, 01:05 PM
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little oil in expansion tank, 98 mustang v6??

Any direction would be appreciated. Does v6 have oil cooler? Dont see any coolant in oil. Thx in advance.
Old 11/29/14, 01:29 PM
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Possibly a head gasket? The v6 mustangs are prone to head gasket failure. I would check that and see if there's coolant in the oil. I'm not exactly sure on this but possibly a cracked intake?
Old 11/30/14, 12:54 PM
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Does not appear coolant in oil, no power loss, plugs look good, just seeing little drops of oil floating in expansion tank after 130 miles a week, ??

Originally Posted by Sjnagy
Possibly a head gasket? The v6 mustangs are prone to head gasket failure. I would check that and see if there's coolant in the oil. I'm not exactly sure on this but possibly a cracked intake?
Old 11/30/14, 01:43 PM
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Any loss in coolant?
Old 12/1/14, 07:00 AM
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Originally Posted by Sjnagy
Any loss in coolant?
No, thats whats strange, its not much oil, can stick rag in and soak it up definitely smells of eng oil, maybe teaspoon week (140-150 mi), coolant nice green, changed last year when replaced upper and lower radiator hoses. Cars got bout 200k miles, been great car, only other big issue was the alarm went wacky.
Old 12/1/14, 11:31 AM
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Try this. http://mechanics.stackexchange.com/q...ant-in-the-oil

My guess is the intake.
Old 12/1/14, 04:38 PM
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Originally Posted by Sjnagy
Thx much!!! Keeping eye on it see if it gets worse, til i can tear it down week or so ugh
Old 12/1/14, 07:17 PM
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No problem. Glad I could help.
Old 12/2/14, 03:07 PM
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Originally Posted by Sjnagy
Possibly a head gasket? The v6 mustangs are prone to head gasket failure. I would check that and see if there's coolant in the oil. I'm not exactly sure on this but possibly a cracked intake?
The 96-97 V6s had head gasket issues, but that was fixed on the 98. Definitely check the intake.
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