Part 2 – How to Replace Engine Oil Cooler Coolant Lines

If you want to replace your Ford truck engine oil cooler coolant lines, you will have to keep a few tools and materials handy and follow the instructions listed in Part 1 of the do-it-yourself tutorial. This article will highlight how you need to fix the new coolant lines in place after you’ve removed the old hoses, marked them and enclosed them in clear plastic tubing. As a reminder, review the tools and materials you need to keep at hand.

Tools and Materials Include:

  • 3 quarter inch heater hose (4 feet)
  • Clear one inch hose (2 feet)
  • Hose clamps
  • Silicone grease
  • Cable ties
  • Needle nose pliers
  • Diagonal cutters
  • Knife
  • Hose pinch off pliers
  • Flathead screwdriver
  • Tape measure
  • Paint marker
  • Drain pan
  • Jack and jack stands
  • Antifreeze coolant 
  • Rags or paper towels

Replacing the Old Hose with a New One:

Step 1

You will now have to remove the spring clamps that are attached to the old hoses with the help of hose clamp pliers. Once you remove them, slide them over the new hoses. Also fix the new hose clamps onto the other end of the new hoses. Next, rub the ends of the houses with a small amount of grease.

Step 2

Once this is done, insert the hoses into the vehicle carefully. You will have to weave through different parts so that you can position the hoses in place. To attach them to the oil cooler assembly, turn them while pushing them in place. You will have to work on one hose at a time. Then, use the clamp pliers to secure each hose onto the oil cooler assembly.

Step 3

You now have to attach the coolant lines to the radiator hose. If you’ve used any material to stop the fluid from leaking out of the radiator hose you must remove this material before installing the coolant lines. Push the lines into place onto the lower part of the radiator. Now secure them in position by making sure that the clamps are tightened well.

Step 4

If the hoses are fixed well and the clamps are secured, no fluid will leak out of the radiator hose. You will then have to take off the hose clamp pliers that were fixed on to the radiator hose in Part 1 of the tutorial.

Step 5

Use a rag or a paper towel to wipe off any coolant or oil that may have spilled out on the hoses or on any other parts of the car.

Step 6

Turn on the engine and fill up the antifreeze reservoir with sufficient fluid. Once you’ve refilled it appropriately, watch for any leaks from the new hoses you’ve installed.

Step 7

Lastly, if all looks good you need to lower the vehicle and remove the jack stands.

This is the ideal step by step process you need to follow to replace the engine oil coolant lines on your Ford Super Duty Modular V8 or V10 engine. Preventive maintenance tasks should be carried out on a regular basis so that the vehicle doesn’t break down. This also increases the resale value of the truck.

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