With many Honda Preludes, an oil leak just above the oil filter is the result of the oil cooler o-ring deteriorating. Before you start work, you will need to place jack stands under your vehicle to safely hold it up so you can access the oil filter. Never rely on a jack alone to hold up your car because it can fail unexpectedly, allowing your vehicle to fall and possibly crush you. Remove the oil filter by twisting it counterclockwise. Have a suitable open top container ready to catch dripping oil. Old newspaper spread under the car will make cleanup easier.
Once the oil filter is removed you'll see a large nut at the base of the treaded tube that once held the oil filter. This is called the oil filter stud. Using a 30 mm socket with a long handled wrench for leverage, unscrew the stud. Now with the oil filter stud removed you should be able to pull off the oil cooler which is the round metal part that looks like a fat donut with two hoses attached. Do not remove the hoses, just wiggle the part around until you can see and remove the old o-ring, otherwise known as a seal. If it is broken, be sure to remove all of the pieces. Next apply a little bit of grease to your new o-ring to help it stick in the groove on the oil cooler. Put the oil cooler back in the original position and put the oil filter stud back in place and tighten it until snug. Next replace the oil filter (use a new one if it hasn't been changed recently) then wipe or wash away any oil residue so you'll notice any new leaks. Check your oil level and add oil as needed. Don't forget to remove the jack stands! Start the car and watch for leaking oil. No leaks means you're done!
Published by Wiley Vaughn
I've earned my living in vastly different ways: as an LPN, an RN, a real estate agent and a gunsmith. I like do-it-yourself and have a little experience in automotive repair. I like gardening. I'm a Chris... View profile
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5 Comments
Post a CommentSounds easy, now to just get the car and oil:)
PS...I think on my previous two posts I mis-spelled your name and it should have read Wiley. My sincere apologies to you friend. No excuses.
We "jacks" can come in hand under certain circumstances, hey!? LOL Good info here Wiley.
Good information
Thanks for the info!