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I've owned my '03 and have changed the oil 1-2 times a year (not my daily driver) since 2013, but I've still got this question.

Since the oil filter housing is remote-mounted on rubber anti-vibration mounts, it flexes when you remove/replace the cap. I put the orange McMaster items on mine early on since the OEM mounts look crusty.

I'm always nervous I'll tear the mounts when taking the cap off the housing, though I never have. I've made an effort to hold the housing still using various prybars and wood blocks over the years. I'm wondering if there's a strategy for keeping the filter housing still while changing the filter. I suspect the answer will be "don't worry about it" but I just know in my heart that those rubber mounts will tear someday...
 

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I just hold it with my hand. It does flex a bit, but the cap shouldn't be too tight to begin with. Just tight enough to screw to the bottom.
Bushings were completely torn when I got my car. After replacing I try to be carefull when tightening and loosening the cap but if they break again, they aren't too expensive to replace again. I would be more concerend of scratching or tearing something with a prybar or a block of wood.
 

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I'd let the mounts do the work and replace as needed, but if you must counter the force of using the 36mm socket on the cap, have you considered a strap wrench on the housing?
 

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don't worry about them as there are lots of options available in the aftermarket on replacements so the cost is pennies not hundreds. I have a bag of them waiting and waiting as I change oil every 500 miles or two years which ever comes first. So far in 9 years, the biannual oil change is the point.
952644
 
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