my car keeps overheating

Asked by May 29, 2016 at 04:16 PM about the 2000 Toyota Camry CE

Question type: Maintenance & Repair

My car is a 2000 Toyota Camry it keeps overheating.  I have replaced
the water pump, timing belt, radiator fan, several hoses. And it still
overheating

4 Answers

5

You seemed to have replaced everything but the coolent. Replace the coolent. If that doesnt work, then your line maybe clogged.

I replaced the coolant twice. How do you unclog the line?

5

If this was in my bay I would proceed as follows: Repair fans: It will overheat at idle without the fans. The first test for this is to turn on the A/C, both, one or none will come on. Test and repair as needed. Test for system flow: Remove the inlet hose to the heater at the firewall. Test pressure and flow rate. A lot of water should be pushed out when the engine is revved. The pump should make at least 10 psi. This gives the relative heath of the water pump. The most common cause of poor flow in a Subaru is air trapped in the engine block. I would flow test the radiator and visually inspect the radiator interior. The flow tests is not very helpful. A radiator can flow great but not transfer heat if it is fouled with coolant scale deposits. From your description i would repair fans first, replace the radiator, put it all back together. Test after repairs by timing the fan run time. If the fans are off most to the time and the fans run only about 20% of the time and the fans blow warm air it is fixed. If the fans run most to the time and the air coming out is cold it is not fixed. A quick test to see if you have adequate flow is to touch your upper inlet radiator hose and the lower exit radiator hose. If the upper hose is hot and the bottom hose is cold, you May have Inadequit flow. Worst case scenario, you will have to replace your radiator.

Thank you I have replaced everything except for the radiator. It looks worn and dated and looks like it has a lot of sludge or rust build up. Thank you

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