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Old 11-07-2011
PatrickAlaska PatrickAlaska is offline
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oil in coolant Ford Lehman

Hi Guys,

I was changing coolant the other day in my Ford Lehman 4 cyl diesel 85 hp and found some pretty dirty coolant (brownish color, inside of coolant reservior a bit oily too). I immediately thought of a head gasket problem so I bought a Napa combustion gas tester and gave it a try. I followed instructions carefully (got the engine good and warm) and then gave it the test. I used the tester 3 times and received a negative result each time (liquid in tester stayed blue). I suppose this means I dont have a leaking head gasket, but oil appears to be coming in somehow. Any suggestions for what to look for? Some other info....the engine runs like a champ, no loss in power recently, but a bit some blueish smoke out the exhaust. Also, the oil doesnt have a greyish tint and no milky residue on the oil cap (dont see much evidence of water in the heads).

Thanks in advance....Patrick
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