Posted: Apr 01 2008 at 2:56pm | IP Logged
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First of all, make sure the clamps on your radiator hoses and heater hoses are tight. You can tighten them easily if they are the SS worm clamps but not if they are the spring tension clamps. You can also get leaks from intake manifold gasket failure. Any leaking gasket will cause a pressure test to indicate a leak so you can't just assume it is a head gasket.
Is there any evidence of coolant in your oil? This manifests itself as a milky looking glop on your dipstick and on the inside of the oil filler cap. This iIS indicative of a head gasket that has failed and is allowing coolant into the oil. You can also pull and examine the spark plugs to see if one or more cylinders is pulling coolant into the cylinder through a break in the head gasket. How badly did you overheat your truck a year ago? If severe overheating occurred, you might have warped a head and allowed the gasket to start leaking.
If you have coolant in the oil , don't drive the truck. You'll ruin the bearings. Have it towed to a shop for repair.
__________________ 2007 Nissan Frontier SE 4X4
Crew Cab, short bed,
2003 Saturn L-300 sedan
2013 VW Passat TDI
State College, PA
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