Quote:
Originally Posted by vanman23
What about the oil air cover?
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My school of thought would be if you have a polymeric seal (particularly if it's also a dynamic seal (seals on a moving interface)) that's going to require that either the engine or transmission be removed in order to get it if it leaks, I would replace it. A static seal, if it's not leaking, is probably ok - but if it got distorted or otherwise damaged while the engine is out and starts leaking in a month, it's not going to be a happy day for you.
It sounds from the posts above that the EJ25 RMS is difficult to remove without scoring the bore in the block or the crank, so that's something to consider - that being said, 170k miles and 15 years is a lot for a dynamic seal, though, so if you are going to be driving the car for years more, given that the engine is out of the car now, and the seal is right there, I'd replace it.