coolant loss
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Junior User
Joined: Jul 2013
Posts: 76
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coolant loss
I have been loosing coolant and believe it to be an egr cooler problem. But it onlly blows white smoke when its really cold thats it. And after it warms up notheing . Is that a definit egr cooler issue or could it be something else.
Cargo Master
Joined: Jun 2007
Posts: 2,723
Likes: 5
From: Roseburg, OR
You could have some serious problems. You need a new thermostat. After replacing it, test temps again and report back.
Cargo Master
Joined: Oct 2009
Posts: 2,283
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From: missouri
Coolant is supposed to run around 183- 195. Closer to 192 the better. Seems your thermostat is stuck open. Need to get that fixed first and get the temps up. Your oil temp needs to be within 15 degrees of coolant. But you cant measure the oil temp accurately until your coolant temp is up to par.
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Junior User
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ok i will hit that tomorrow . now wood that cause the engine to be loosing coolant and were on the engine is the thermostat located
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Cargo Master
Joined: Oct 2009
Posts: 2,283
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From: missouri
Its located on the end o the top radiator hose on the driver side. Thermostat wont cause you to lose coolant like your talking about. But in order to properly diagnose the problem you need the right temps. Have you pulled your egr valve and look and see if its wet??? If it is then yes your egr cooler is blown.
Cargo Master
Joined: Jun 2007
Posts: 2,723
Likes: 5
From: Roseburg, OR
Follow the top radiator hose (drivers side) to the motor. Where the his connects to the motor is the thermostat housing.
A bad thermostat will not cause coolant loss. But the EGR cooler could be ruptured and leaking from a plugged oil cooler.
A bad thermostat will not cause coolant loss. But the EGR cooler could be ruptured and leaking from a plugged oil cooler.