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4

Personally I'm not seeing an issue with replacing the washer. This is a $.05 part. For my '08 Hyundai Azera, it comes with the filter I get from my Hyundai dealer. Does it really need replaced? Probably not, but the one time when it does need changed and you don't do it may be the difference between a $.05 part and a $2500 overhaul/engine replacement. To me ...


3

I would be satisfied with the repair. I would push for some free service, maybe a couple of free oil changes. Demand a refund for the service you paid for when the damage was discovered I would also demand a letter accepting blame and a promise to replace the oil pan for free if you find the repair unacceptable at a later date due to stripped threads or ...


3

Assuming you're buying the OEM filter from a Subaru dealer, they should be giving you a new washer with each one. It's an aluminum washer that's sort of folded over on itself so that it crushes. My understanding of the crush washer on your drain plug is that it's not a gasket -- i.e., not to keep fluid from leaking out -- but serves as a lock for the plug, ...


3

I've been changing my own oil since 1975 or so, Daniel, more often than not, several cars at a time (it's been a long long time since I've only had one vehicle). I've never changed a drain plug gasket - I've never seen one that leaked significantly enough to warrant replacement. Do wipe around the drain hole, and wipe the existing gasket, before putting the ...


3

Was the factory solution not using a gasket? A gasket is usually better than the Room Temperature Vulcanizing (RTV) sealing method since RTV is really messy and hard to clean off during maintenance and is harder to apply which may lead to failure as you have seen. There should be no need to warranty the gasket. If it becomes an issue again it should still ...


2

UPDATE & ANSWER After some research, I discovered that any future engine work will not be guaranteed when an over sized plug is installed - compared to having the factory supplied plug correctly installed. (Some dealerships won't even service vehicle engines with over sized plugs.) In addition, it is much easier for these threads to fail between oil ...


1

Replacing the washer depends on what the washer material is made out of. Most OEM parts are rubber based, so are both cheap and designed to be one use only. There are also crush washers, which need to be replaced after every use. There are a number of aftermarket (usually magnetic) sump plugs and washers - a large number of these have hard, flat, washers ...



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