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Toyota 4 Runner: Have a 92 Toyota 4 Runner with overheating…

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Have a 92 Toyota 4...
Have a 92 Toyota 4 Runner with overheating problems
Submitted: 2 years ago.Category: Toyota
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Answered in 7 minutes by:
5/28/2015
Toyota Mechanic: SuperDave, ASE Certified Technician replied 2 years ago
SuperDave
SuperDave, ASE Certified Technician
Category: Toyota
Satisfied Customers: 1,491
Experience: over 16 years experience
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Thank you for using Just Answer.I will do my best to answer your question.It doesn't sound like the coolant is circulating how it should.The impellers on the water pump could be worn causing this.I would remove the water pump and inspect it.
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Customer reply replied 2 years ago
I suppose that is possible but in this case the water pump was replace about a year ago when the timing belt was replaced. In addition to the pump do you believe the block passages could have corrosion that would impede circulation? If so can the block be flushed and if so how. thanks
Toyota Mechanic: SuperDave, ASE Certified Technician replied 2 years ago
First I would use a block tester to make sure there are no exhaust gases in the cooling system.I have ran into the same problem before after taking heads to the machine shop.The heads were not machined right.
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Toyota Mechanic: SuperDave, ASE Certified Technician replied 2 years ago
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Thank you!David
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