hot cocoa on the ground- instantaneous loss of coolant - Defender Source
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Old September 13th, 2014, 07:00 AM
delosanasazi
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Lawrence de los Anasazi
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hot cocoa on the ground- instantaneous loss of coolant

I started my 1992 3.9 RRC and a mixture of oil and coolant came out from the passengers side of the engine above the front axle. The car had been running for about a minute while I went back inside my home.

The oil and coolant had just been changed following a valley pan replacement. While doing this I refreshed the PCV piping, the T, the valve cover filter, and the trap.

What was impressive and alarming is the rate both the coolant and the oil was expelled onto the ground and it looked well-mixed. I was intending to do another oil change.
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  #2  
Old September 13th, 2014, 08:01 AM
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mark kellgren
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passenger side head gasket has blown. sorry to hear that. can't think of anything other than an unlikely cracked block it could be
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Old September 13th, 2014, 08:39 AM
the rover shop
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shayne young
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Not necessarily true... If they had just replaced the valley pan gasket it's possible that there is a problem where the valley pan and the head mates.. Where that rubber seal strip is situated.. If they didn't tuck the rubber strip end piece into the gap properly I could see the rear coolant port into the Intake manifold leaking... If it was okay before the valley pan replacement but not afterwards I would redo the intake valley pan... Or at very least pressure test the system for coolant leaks..check to see if you have coolant into your oil level..
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Old September 13th, 2014, 10:19 AM
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mark kellgren
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Had no idea the valley pan gasket was associated with a coolant port. I don't like that, but for the PO that's a lot easier to deal with then a head gasket.
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Old September 13th, 2014, 10:37 AM
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Bill Adams
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I think pretty much all V8s have coolant ports on the intake. It's how the stuff gets to the thermostat housing.
It's one of thos gotchas that can ruin your day especially if you try to fit a Vortec intake on a non Vortec engine....looks like it fits but it don't....
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Old September 13th, 2014, 10:39 AM
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mark kellgren
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I'm an idiot. I was thinking oil pan. Need more coffee. disregard all my comments.
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