How to Replace Radiator 05-10 Chrysler 300
Difficulty: Advanced · About 90 min · Chrysler 300
Replace the radiator, including the cooling fan assembly, and bleed the cooling system on a 2005-2010 Chrysler 300.
Tools you will need
- Side cutters
- Gloves
- Flat blade screwdriver
- Channel-lock pliers
- Jack stands
- Drain pan
- Floor jack
- Needle-nose pliers
- Antifreeze
Parts and supplies
- Radiator
Steps
- Drain the radiator
Raise and support the car, have a drain bucket ready, open the petcock at the bottom passenger side of the radiator, let it drain, then close the petcock.
- Remove the radiator fan assembly
Remove the upper hose's clips with needle-nose pliers, slide the hose off both sides and remove it, disconnect and remove the fan's wiring harness, remove the 10mm bolts above the hose fitting and on the opposite end, then lift the fans up and out.
- Remove the old radiator
Pop up the radiator protectors, remove the bracket's two 10mm bolts, pry the pins from the radiator covers, remove the brackets, have a drain pan ready, remove the lower hose's clamp, pry out the insulator panel's bottom push pin, remove the lower condenser bracket's 10mm bolt, move the radiator back, then remove the 10mm bolts on both sides and lift it out.
- Install the new radiator
Transfer the covers onto the new radiator, insert it into place, tighten the 10mm bolts on each side, insert the condenser brackets and their bottom 10mm bolts, seat the radiator in its support, feed the drain tube through its port, reconnect the lower hose and clamp, refit the top brackets and their 10mm bolts, reinstall the guard pins, refit the covers, then reinstall the bottom pin.
- Reinstall the fan assembly
Move the wiring harness from the old fan to the new one, insert the assembly, tighten its 10mm bolts, connect the harness, then refit the upper radiator hose.
- Fill and bleed the system
Push down and twist the cap off counterclockwise, insert a funnel, fill with a 50/50 coolant mix, start the car with the fan on low and heat on high, keep topping off coolant while watching the temperature gauge and vents, wait for steady heat with no more bubbles and a stable coolant level, then remove the funnel and refit the cap.
Check your vehicle’s repair manual for exact specifications and fit.