gmc pickup

1986 GMC SIERRA
V8 • 2WD • AUTOMATIC
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TEHGRIMLIK
  • MEMBER
  • 1 POST
replaced water pump and put in new radiator now have condensation in my oil and smoke coming out of dip stick and where i put the oil in and also over heating
Feb 23, 2011 at 11:17 PM
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JDL
  • ✓ASE Certified Mechanic
  • 16,098 POSTS
  • ASE Certified Mechanic
Is it the same size radiator? Maybe air in the cooling system? Temp wise, how hot does it get? Remove the thermostat for testing, hook everything back up, any effect?

Check the crankcase ventilation system. It's not unusual to see some blowby.
Feb 24, 2011 at 5:36 PM
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