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Q: water in oil on 1990 Jeep Comanche

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What would be some of the causes for water in the oil? Motor was recently rebuilt but sat up for 2 1/2 years before being started. Would over torqueing the head bolts effect the seal of the head gasket?
(1) Answer
Condensation is one factor since the vehicle sat for so long, especially in the humid climate of GA. The a leaking head gasket is more likely. Yes, over torquing the head bolts can cause the head surface to warp and affect the seal of the gasket. Change your engine oil and filter and run your engine to see in the oil get contaminated again.