Question about Toyota Avalon

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The car started overheating, while home after purchasing the car from a private owner. First the car was taken to a repair shop, the technican said the car needed the following repairs to pass Md inspection. The following repairs was done: Radiator hose (upper), new radiator, new struts, (front and rear). The car started to overheat, so the technican said it was the thermostat, that was installed, the problem remains. The only thing that wasn't change was the lower hose. Also, the expansion take overflows when the car overheat. I'm at a lost for whats going on with this car.

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Posted on Jan 02, 2017

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SOURCE: 95 honda civic lx overheating


Posted on Jan 08, 2009

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SOURCE: 95 trooper overheats but replaced thermostat,radiator,cap,hoses.

make sure ur fan clutch is puling some air and replace rad cap with new onr u may have to replace radiator long trips not getting enough water cooled

Posted on Jun 30, 2009

  • 530 Answers

SOURCE: overheating

Although there are some manufacturer's that insist on a specific type of radiator fluid, this has more to do with protecting the radiator from deposits and corrosion. It should not make such an extreme difference to cause overheating.
Is this an ongoing issue since you bought the car?
Also do you have any loss of coolant prior to the overheating or does it overheat with the coolant level full?

The temperature difference between the upper and lower hoses can also be attributed to hot coolant in the lower line and air being in the upper one. Check your coolant level. Remember that the coolant system is not completely filled until you have let the car warm up then checked and filled a second time. The system is closed until it has a chance to warm up.

The problem could also be caused by a blockage, like deposits and rust build-up in the radiator. If the color of the coolant inside the reservoir is brown it's a good indication that there is a lot of corrosion in the system and it needs to be flushed.
Also inspect the reservoir bottle when the car is running and warmed up a bit. You should be able to see the coolant flowing in the bottle.

Check these things and if you still can't find anything re-post or let me know.

Posted on Aug 30, 2009

  • 973 Answers

SOURCE: i had the cooling system flushed then replaced

Check to make sure the cooling fans are turning on.

Posted on Jun 19, 2010

  • 65 Answers

SOURCE: Ok, g35 coupe 06,52k miles Had

Heres a couple of things you can check. Start your car and remove the radiator cap,(before it gets hot mind you) when it reaches norm operating temp, look inside radiator to see if water is circulating. If its not moving, its a bad water pump. Also, youre hoses should never collapse, if they collapse when they get hot maybe you need new hoses? Finally, if those dont work, flush out your radiator. Open the bottom cockpit and use a garden hose and let it flush out the system while the car is running, about 10 mins should do the trick. If the radiator looks clean inside then it doesnt need flushed.

Posted on Jan 04, 2011

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