Question about 1999 Dodge Durango

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Great in-town,no problem getting hot but,soon as i get on freeway or past 50 mph,it gets very hot and overheats.It has the 5.9l engine,I want to be able to haul my boat,what can i do to assure i stay cool enough?

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Check the water pump. This is a common issue with the Durangos, the water pump goes bad but pumps well enough in city driving but as soon as you get on the freeway it will start to over heat. I have owned 2 of them and I had this problem 4 times. I do not know why they go bad so easily, but I do know that it is a very common issue.

Posted on Jun 04, 2010

  • mikenanarmst Jun 04, 2010

    How do i check the waterpump?

  • Jeremy Reddick
    Jeremy Reddick Jun 04, 2010

    Two ways, one is you can take the hose off and start the car, if it shoots water over the fender then it is good, you can also take a volt meter and check to make sure that it is recieving a complete 12 volts. If you do the hose off test, make sure that you check it then shut it right down. DO NOT let it stay running
    Also you may be able to hear it make a rattling sound or a grinding noise


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