How to Repair a Cracked Oil Pan

January 27, 2012

If the oil pan on your vehicle is cracked or damaged, you may be able to remove it and have it welded to repair it. However, it usually a much better idea to simply replace the cracked oil pan. While a new oil pan will usually cost around $150 to $200, it is certainly a lot cheaper than replacing an engine that fails to due to massive oil leaks and no oil. So, here is a step by step guide to help you replace the oil pan in your vehicle.

What You Will Need

  • Socket Wrench Set with Ratchet
  • Crescent Wrench
  • Oil Pan (new or used in good condition)
  • Oil Pan Gasket (new)
  • Gasket Adhesive
  • Plastic Container
  • New Engine Oil (Enough to fill completely)
  • New Oil Filter
  • Piece of cardboard or newspaper

Step 1 - Drain Your Car's Engine Oil

First, you'll need to drain the oil from your car's engine. You will need to remove the drain plug that is located on the bottom of the oil pan. You can use a crescent wrench or a ratchet socket wrench to remove the bolt. Make sure to catch the oil in a plastic container and take it to the recycling center once you have completed the repair.

Step 2 - Remove the Damaged Oil Pan

To remove the pan, remove the bolts that attach the oil pan to the engine. Depending on the make and model of your vehicle, there will usually be between six and 12 bolts that attach the pan to your car's engine.

Step 3 - Remove Old Gasket Residue from Pan Top

Remove the old gasket from the top part of the pan. You may need to use a putty knife or scraper to scrape the remaining residue of the gasket from the oil Pan receiver. If you cannot scrape the entire residue from the engine, you may need to use some sort of solvent remover to help remove the paper like residue of the gasket.

Step 4 - Install New Gasket on New Oil Pan

Using the gasket adhesive, place the new gasket on the new oil pan and make sure to align the gasket correctly on the new oil pan and press it down so that the adhesive can adhere securely between the gasket and oil pan.

Step 5 - Install the New Oil Pan

Carefully align the new oil pan with your car's engine. Make sure that the new oil pan lines up correctly and that the gasket is seated evenly and tightly between the pan and your car's engine. Reinsert the bolts for the oil pan and tighten them securely.

Step 6 - Fill Engine with Motor Oil

Now, you will need to fill your car's engine with the appropriate amount of motor oil. To find out how much oil your car engine needs, you should refer to the car owner's manual. Also, you should change the oil filter in your car as well. Make sure to replace the filter with one that is compatible with your car's engine.

Step 7 - Check for Leaks

After you have put new oil into the vehicle, place a piece of cardboard or newspaper underneath the oil pan and start the engine. Allow the engine to run for several minutes to help determine if the new oil pan is leaking. If the pan is leaking, you may need to retighten the bolts that hold the oil pan to the engine.

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