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How to Replace a Radiator in a Dodge Ram

by Contributor

The Dodge Ram is a long running series of trucks and vans marketed for heavy duty use. Whichever engine size or model you have in your Ram, the chances are that you'll be putting a significant strain on your engine cooling system. After a while it may be necessary to replace your radiator. Luckily, this can be done relatively quickly.

Drain your radiator. For the van series, use the plastic petcock on the lower rear of the radiator. For the truck series, use a 10mm socket wrench to drain the coolant from the bottom of the engine block.

Disconnect the butterfly clamps holding the radiator hoses in place. A Dodge Ram has fairly large hoses, so you'll need a pair of pliers to release the clamps. Disconnect the transmission coolant lines if your Ram has an automatic transmission.

Remove the overflow bottle and washer fluid bottle. This gives you room to remove the fan shroud and disconnect the fan assembly. For the 2500 series, both truck and van, you need to remove the fan shroud and position it near the engine. Disconnect the fan wires.

Detach the radiator from the two upper mounts with a 10mm socket. Pull the radiator up and out.

Place the new radiator in the engine compartment, and use the two alignment pins on the bottom of the radiator to make sure it is properly situated.

Reconnect the radiator hoses. Reattach the other components you removed, in reverse order.

Flush the new radiator with a commercial treatment to remove any factory debris. Replace the coolant with a 50/50 antifreeze and water mixture. Remember to bleed the air, or you'll wind up blowing your new radiator.

Items you will need

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