Subaru 2.5L Spark Plug Replacement

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Uploaded by on May 28, 2010

Subaru 2.5L Spark Plug Replacement. How to do it like a pro. Step by step. This video includes solutions and how to remove oil from plug wells.

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Uploader Comments (shopken1)

  • How do you know when the spark plug is too tight???

  • @jboydmv90 - These spark plugs have a compression gasket on the base. Typically the plug is seated by hand pressure and 1/4-1/2 turn on a wrench to achieve the factory specifycation applied torque to compress the seal. If unsure if a plug is correctly installed; use a torque wrench @ 15lbs-25lbs. Tips; -Dont remove a plug with oil in the hole! -Antisieze treat the threads (not on the insulator tip) for best heat transfer and thread preservation -dont over tighen! -gap the plug

  • What year is that motor?

  • @quirpco - I dont recall the exact year of this car- 2000-2003? it does not matter although for proceedure on the 2.5L

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  • thanks....this helps a lot. kinda had to laugh at the "squirter bottle" tho

  • @hotone23 - It should be for the entire job, and on some engines; a valve adjustment as well. It is a fairly simple proceedure. Allow more time if you are doing it yourself and where you want to adjust the valves on pallet or shem type adjustment. Most shops have an assortment of different sizes on hand where the typical owner must measure and buy the correct shems. (I will do a video soon on valve adjustments)

  • @shopken1 $250 to 350,,?? Just for the parts or a garage fixing the problem...I have a2005 and saw some oil in the plug well entrances today while replacing the plugs. Cleaned it all up but the issue is still there...Seems like a BIG job to do on my own..

  • @testdirver - With Subaru gaskets and seals (recommended) est- $250-350. Most leak after engine has been too hot or gets a few miles on it (thermocycles breaks down the seals/gaskets over time) Newer materials used for construction of cam, crank and oil pump seals greatly reduce past oil leaks on other Subaru models. Newer materials available for older Subarus to reduce oil leak service intervals. Make sure estimates include cleaning off oil residue from parts and undercarrage etc.

  • i didnt know about that leaked oil problem... its expensive to fix

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