Oveheating after replace waterpump

May have a blown head gasket.

So I took it out myself today to see ? took what out ,to see what ?
Do the cooling fans work ? Could be the step motor that controls the temp. gauge . How are you determining that the vehicle is overheating ? Gauge on insturment cluster ? GM had bad step motors inside thier insturment cluster's . 2003 to 2006 ! Your best bet , take it to GM dealer .

ask your mechanic to check the thermostat

Hello checktwic622 and thank you for asking your question, on Fixya.

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How to diagnose your overheating Dodge Dakota

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Thanks for the vote, and good luck!

Last year my car suddenly overheated while idling to the point the coolant tank exploded. I took it to a foreign car repair shop where they replaced the coolant tank and put in another thermostat. It didn't make it home before it overheated again. I took it to the Jag dealership where they felt that my hoses had expanded to much during the overheat so they replaced all of my hoses to a tune of $1000. Three months later it overheated again. I took it to another foreign car repair shop where they discovered the real culprit. An impeller had broken off of my waterpump, I had a blockage in my radiator, and I had a short in one of the coolant fans that made it only work part of the time. So about $2400 later my car has been coolant issue free for about 2 years now. Good luck and I hope this helps.

i believe that mechanic is full of you know what he should give you your money back do you know if your car has a sensor that sensor sometimes makes the car overheat that happen to my vw jetta toght it was water pump like you ended up being a sensor.

Only 2 parts remaining are the thermostat and waterpump. Always start with the thermostat when diagnosing an overheating problem. If the car is overheating constantly under all conditions and coolant is backing up into the reservoir, it's very likely to be the thermostat. If it only overheats at low speed or idling, it's more likely the waterpump.

are the fcooling fans working? did you service radiator? is time correct? did you change radiator cap?

there is a strong possibility that the impellers on the waterpump are broken!!!!. they are made out of plastic and are notorious for breaking. ck this first have seen it countless times. make sure new waterpump has metal impellers.