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4

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. I just did an oil change, so here's a picture of the washers (used on the left, new on the right): Notice that the left one is appreciably flattened. My ...


4

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

If there was no oil leak before the oil change, then there is a possibility of wrong repair done at the workshop. Generally, for changing oil, the oil pan need not be touched at all, except for the oil drain plug. If the vehicle underbody is checked on a two post lift, then the leaking area could be spotted. Taking the vehicle to another mechanic is a good ...


2

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 ...


2

It very well could be the oil pan gasket, but this could be caused from a leaky anything on the engine. Look for where the highest point of where you see the gunk and start looking from that level. You should also be seeing some amount of gunk on the engine as well. If you really want to find it, do a thorough cleaning of the entire engine bay, then start ...


2

This is a pretty common problem. Buy an oversized drain plug tap kit and retap your drain plug threads with the tap. The kit will also usually come with a replacement drain plug that fits the new larger tapped threads.


2

I agree with @knocksAndMisfires - it sounds strange that the oil pan gasket would have to be touched for a routine oil change. If the oil pan/lower sump was removed then this may necessitate a gasket change since they tend to be a single-use item, but this should not be required for a routine oil change. One other thing worth mentioning: $200 for an oil ...


1

Odds are they did a shady job and are now trying to rip you off. No reason why it should be like that unless if they did that by accident or (worse) intentionally. If you can, take a look underneath and see where its leaking from. Likely to be from one of 3 places: 1. The drain plug. Maybe it just needs to be tightened. Or maybe the drain plug has its own ...


1

Both of my cars use flat metal washers (and neither one is something the local shops stock). Recommendation (manual) is to replace every time. I've never replaced either one (1991 and 1995 vehicles). Never a single drop of oil from either. If I did leak a few drops I wouldn't get too excited anyways since on the '95 the turbo oil return line has always ...


1

You don't need to worry about draining every last drop of oil. Just make sure that you change the oil and filter regularly every 50,000 miles as I do. My 4 cars perform as new with an average of 165,000 miles, 2 diesel and 2 gasoline.



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