Having problems with your 1999 Dodge Durango ?

Car over heats when i use the air conditioner. I have put new fluids new fan clutch water pump thermostat and temp sending unit on. Also theinformation center comes on and off.

Posted / edited by AnonymousUser on : 15-08-2022

Answers :

Your problem actually sounds like a radiator problem. It could be the Thermostat (but new), however if it only over heating with the A/C\015\012 on, on a hot day, Then I believe your radiator needs flushed.

\015\012Over time the radiator will develop corrosion in the tubes and reduce \015\012the cooling capacity. The coolant has corrosion inhibitor in it when new\015\012 , but, they degrade over time and lose the ability to prevent build up:
1. Check that the radiator and reservoir is full of coolant.
\015\0122. If the coolant is not a clear pink or yellow, it needs replaced.
\015\0123. if you do it your self , buy a flush kit from the auto parts store \015\012and install it in one of the heater hoses. follow the directions on the \015\012kit. to flush the engine, you will need to be near a water hose.
\015\0124. use the recommended mix of anti-freeze to water...usually 50/50.
\015\0125. buy and use some "Water Wetter" it will increase your cooling capacity and mitigate this type of overheating (You are describing a very common problem with engine overheating this time of year).
\015\0126. Check that the fan is working and your belt is in good shape.
\015\0127. Look at the radiator through the grill, is it plugged with dirt and \015\012other road debris? use the high pressure washers at a car wash to clean \015\012out the fins, wash out the stuff that gets in there.

Hope helps.
Repair Help & Product Troubleshooting for 1999 Dodge Durango

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