Volvo AWD V70 Forum
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SAVE V70 cooling oily? V70 2005
posted by Tapsa on Sun Jun 28 13:08 CST 2009
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last visit: Sat Nov 21 02:16 CST 2009[RELATED]Hi,
I've got the car running again but propably will take thermostat out to be cleand for security as the indicator is different now.
Has anybody else got engine oil cooler leaking into coolant?
what else than bad luck might be causing this?
br tapsa
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SAVE V70 cooling oily? V70 2005
posted by Tapsa on Tue Jun 23 07:11 CST 2009
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last visit: Sat Nov 21 02:16 CST 2009[RELATED]Hi,
it was engine oil in coolant, now flushed and oil cooler renewed by dealer.
Now the temperature indicator stays lower than before but rises if I turn cabin temp to max, if returned to typical the sensor indicator goes back to lower temp.
Thermostat and sensor cleaning needed? Any good adwise forward.
br Tapsa
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SAVE V70 cooling oily? V70 2005
posted by KlausC on Tue Jun 23 09:45 CST 2009
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last visit: Sat Nov 21 21:14 CST 2009[RELATED]The engine should have been power flushed and cleaned at the dealer, it is the only way to get the oil film out of the coolant pockets that will not drain. You paid a lot of money for some trainee to replace the radiator. It also sounds like there is an air pocket in the system.
In the gasoline engines, coolant is always flowing through the heater core. The amount of heat supplied to the cabin is just regulated by vent flaps. The coolant temp sensor is not effected by turning on/off the heat, except when the blower fan helps cool the heater core.
As for the ECT sensor and thermostat, the ECT should have been cleaned and the thermostat replaced.
Klaus
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Common sense trumps a PhD
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SAVE V70 cooling oily? V70 2005
posted by Tapsa on Wed Jun 10 05:19 CST 2009
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last visit: Sat Nov 21 02:16 CST 2009[RELATED]Hi,
the cream in coolant bottle was so scearing that I went for dealer to study the situation: in this D5 engine there is an engine oil cooler (16 plates) within coolant circuit to absorb heat. Now this oil cooler has a leak direct into coolant. Just poor quality and my bad luck.
I can only hope that new oil cooler element and flushing cooling and lubrication system with new coolant and oil is removing the problem and no additional harm caused so far as not much driving after identifying something is wrong.
Let's hope for the best.
Br Tapsa
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SAVE V70 cooling oily? V70 2005
posted by KlausC on Tue Jun 9 09:30 CST 2009
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last visit: Sat Nov 21 21:14 CST 2009[RELATED]Not for a 2005, it is too new. There should never be any leakage at the coolant overflow cap. Take off the cap and insert a strip of white paper, when you pull it out check for oil residue. There should be none.
If you suspect oil in the coolant, have the system pressure checked. Inspect the overflow bottle neck and cap for cracks, make sure the cap is on very tight.
It is possible to have a cracked radiator do this, but your car is too new.
Klaus
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Common sense trumps a PhD
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