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5

The oil pan is not a normal wear item, however being so low to the ground it is possible to damage it. As the oil pan is not removed for regular inspection, any decision made by the mechanic should be visible to photograph without tools or disassembly, either as physical damage or oil leaking. Have the mechanic put the vehicle on the lift and show to you ...


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 ...


4

I would check for: cracks, but don't take casting marks for cracks (a picture of your pan would be helpful to tell) scratches stripped plug thread (but then it would already be leaking since you wouldn't be able to tight the plug back ;-)) any deformation especially on the gasket level


3

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.


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

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

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

The oil pan is not a regular wear item, though it might need to be replaced if it's rusted, cracked and/or leaking. Welding an oil pan is difficult, time consuming and not worth it.


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

So... I pretty much took in all the advice you guys gave me (and from elsewhere too) and went ahead with the procedure with the oil pan still on the car. One big difference though: Instead of using a tap, I used my oversize plug... I was stubborn and did not want to buy the tap nor take the pan off the car. Here's how I did it: Jack the car up; stands. ...


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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