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  1. How to: Replace Oil Cooler O-Ring

    H22A/1+ & H23A/1+ Specific Information
    Alright here's the deal. I know that myself and a few others are having some oil leak issues. For myself, it is the oil cooler O-ring. To determine whether or not this may be your problem, jack up your car, start it up and get underneath. Use a flashlight to look up at the oil filter, and the...
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