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2009 Toyota sienna 3.5L 180 miles
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andrey.skatinka
Novice
Nov 11, 2017, 4:58 PM
Post #1 of 11
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2009 Toyota sienna 3.5L 180 miles
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I have a problem when i start the car in the coolant reservoir it starts boiling and the temperature goes up, I changed the thermostat, and water pump, i checked the oil and it is clean and there is no antifreeze in the oil.
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Hammer Time
Ultimate Carjunky
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Nov 11, 2017, 5:50 PM
Post #2 of 11
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Re: 2009 Toyota sienna 3.5L 180 miles
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How did this problem start? What was the original problem?
Was the car severely overheated in the past?
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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andrey.skatinka
Novice
Nov 11, 2017, 6:08 PM
Post #3 of 11
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Re: 2009 Toyota sienna 3.5L 180 miles
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The problem occurred when i was driving and the temperature started rising, and i checked the oil level and it was not severely overheated in the past
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Hammer Time
Ultimate Carjunky
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Nov 11, 2017, 6:15 PM
Post #4 of 11
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Re: 2009 Toyota sienna 3.5L 180 miles
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I don't know what checking the oil has to do with overheating.
You need to get all the air out of the system, preferably using a vacuum fill tool. Then see how it acts.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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andrey.skatinka
Novice
Nov 11, 2017, 6:40 PM
Post #5 of 11
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Re: 2009 Toyota sienna 3.5L 180 miles
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I have already tried that too and nothing happened, it is boiling from the reservoir maybe it is the head gasket?
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Hammer Time
Ultimate Carjunky
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Nov 11, 2017, 6:43 PM
Post #6 of 11
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Re: 2009 Toyota sienna 3.5L 180 miles
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It most likely is if you are positive you got all the air out.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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andrey.skatinka
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Nov 11, 2017, 6:52 PM
Post #7 of 11
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Re: 2009 Toyota sienna 3.5L 180 miles
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Can you tell me why there is no antifreeze in the oil if it is the head gasket.
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Hammer Time
Ultimate Carjunky
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Nov 11, 2017, 7:00 PM
Post #8 of 11
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Re: 2009 Toyota sienna 3.5L 180 miles
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That almost never happens with a blown head gasket. It normally blows between cylinder compression and a cooling port forcing combustion gases into the cooling system. The head usually has to crack to get coolant in the oil.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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andrey.skatinka
Novice
Nov 11, 2017, 7:18 PM
Post #9 of 11
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Re: 2009 Toyota sienna 3.5L 180 miles
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Ok, thank you i will be changing the head gasket, should i take the engine up or leave it in the engine bay?
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Hammer Time
Ultimate Carjunky
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Nov 11, 2017, 7:29 PM
Post #10 of 11
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Re: 2009 Toyota sienna 3.5L 180 miles
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Wo,wo,wo.............
Slow down here. You at least need to confirm that with some testing. There are a number of tests for this, some are reliable and some are not. The very most reliable is using an exhaust analyzer to sniff for hydrocarbons at the radiator filler. Another good way is to remove all the spark plugs and put pressure on the cooling system for a long time, at least a couple hours and look for any coolant getting into any of the cylinders.
There are some blue fluid chemical tests that are usually very inconclusive.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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andrey.skatinka
Novice
Nov 11, 2017, 7:44 PM
Post #11 of 11
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Re: 2009 Toyota sienna 3.5L 180 miles
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Okay thank you ill try some tests tomorrow and ill get back to you.
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