Question about 1999 Dodge Intrepid

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How to install radiator

How to directions on installing a new radiator

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Hi Cindy, I can help with this because I have changed many a radiator on 99 Intrepid's here we go. First, drain the coolant into a pan until theres none in the radiator. Then remove the upper radiator support by removing all the bolts including the ones holding the head-lamps. Then you'll need to remove the cooling fan module, unplug the connector for the wires, take out the 4 bolts holding it and pull it straight upward and out. Next remove the 2 upper bolts holdint the radiator then loosen the clamps holding the radiator hose's and remove them from the radiator. Next if you have transmission cooler line you'll need to remove those, I believe they will be 16 MM can't remember, if there not find one that fits. Pull the radiator upward and out. Put the new Radiator in reversing all the procedures. Word of caution. after filling the radiator with coolant there is a purge nut near the thermostat housing, loosen that nut and finish filling the radiator with coolant until the coolant starts running out of the purge hole, then start the engine and let it run until all the air has purged from the hole then tighten the purge bolt turn the engine off and fill the coolant bottle to the max level. Drive the car while keeping an eye on the temp guage if it runs hot it means you still have air trapped somewhere and will need to purge it again. If it doesn't run hot you are good to go. Hope this helps. Let me know how it goes Cindy. Have an awesome day!

Posted on May 28, 2014


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Section 303-03: Cooling, Engine 1997 Explorer, Mountaineer Workshop Manual REMOVAL AND INSTALLATION Radiator - 4.0L Removal
  1. NOTE: Refer to following illustrations.
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I recommend this procedure, starting with a cold engine: Remove the radiator cap, remove the thermostat, re-install the thermostat housing, leave the radiator cap off, start engine and idle for not less than fifteen minutes, then turn engine off. Allow engine and radiator to cool completely, then open the petcock at the bottom of the radiator, and drain completely (there will still be some coolant/water in the system).
Remove the thermostat housing again, then remove the old water pump and install a new water pump, replace the thermostat with a new one rated at 195 degrees, and be sure to install it in the proper direction. Fill radiator with water only (you don't want to waste money on antifreeze until you are sure you have heat), leave radiator cap off, start engine and let it come to operating temperature, not less than fifteen minutes. Turn engine off, and let cool compltely. Fill radiator with water only, install radiator cap, and restart vehicle. Let come to operating temperature again, not less than fifteen minutes, turn off. Let cool completely, drain radiator again if your truck got proper heat in cabin, then refill with the proper mixture of water/antifreeze. This sounds like a lot of repetition, but this will flush your entire system, boost your water pressure, and properly regulate your engine temperature. If the problem repeats in your two month window, have the radiator professionally serviced and the heater core will probably have to be replaced.
Always use the proper type and amount of anitfreeze!

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