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I have toyota sienna 2004 the heat no working ee change the…

Customer Question
I have toyota sienna...

I have toyota sienna 2004 the heat no working ee change the thermostat and nothing

Mechanic's Assistant: Have you checked the coolant level? Have you checked to make sure the thermostat is working?

Yes

Mechanic's Assistant: Are you fixing your Sienna yourself? What have you tried so far?

When he accelerates it hot

Submitted: 1 month ago.Category: Toyota
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Answered in 1 minute by:
1/5/2018
Toyota Mechanic: Steve, Automotive Expert replied 1 month ago
Steve
Steve, Automotive Expert
Category: Toyota
Satisfied Customers: 25,111
Experience: Automotive Expert
Verified

Please do not forget to click a positive rating as this is the only way I receive credit for my answer, thank you

this suggests a faulty water pump

you need to change the water pump.

Please let me know if you have further questions. Please do not forget to click a positive rating as this is the only way I receive credit for my answer, thank you. Best wishes with your vehicle.

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Customer reply replied 1 month ago
Can you help
Toyota Mechanic: Steve, Automotive Expert replied 1 month ago

Please do not forget to click a positive rating as this is the only way I receive credit for my answer, thank you

this suggests a faulty water pump

you need to change the water pump..

Please let me know if you have further questions. Please do not forget to click a positive rating as this is the only way I receive credit for my answer, thank you. Best wishes with your vehicle.

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Toyota Mechanic: david craig, Auto Mechanic replied 1 month ago
david craig
david craig, Auto Mechanic
Category: Toyota
Satisfied Customers: 4,747
Experience: owner/mechanic at 3D Automotive
Verified

Hi Im David, please do not replace the water pump right off the bat,. there are other things that need to be checked first.

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Toyota Mechanic: david craig, Auto Mechanic replied 1 month ago

first thing to do is get the engine up to operating temperature. then feel the upper and lower radiator hoses and make sure they are equally hot. please let me know then we can go from there.

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Customer reply replied 1 month ago
Hoses is good
Customer reply replied 1 month ago
We check the hoses is good
Toyota Mechanic: david craig, Auto Mechanic replied 1 month ago

are they hot to the point you can only touch them for a few seconds? if so, now check the heater hoses that go into the firewall, make sure they are equally hot.

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Toyota Mechanic: david craig, Auto Mechanic replied 1 month ago

???

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Toyota Mechanic: david craig, Auto Mechanic replied 1 month ago

hows it going?

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david craig
david craig
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Satisfied Customers: 4,747
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