I had an oil leak from the oil cooler on my 98 Mazda 626 GF 2L, and was having a hard time finding the oil seal / gasket. I finally found a shop that said they had one which would fit. However, when I got home and pulled out the old one I wasn't quite so sure ( the original is on bottom and is kinda mushed on the side facing the engine ):
I then placed the new on on top of the original and could see that they didn't seem to be exactly the same size:
The new one was clearly slightly larger in diameter than the old one. However, I thought I'd try and install it as I figured maybe the original had shrunk or gotten deformed over the years:
I don't know how well it can be seen from this picture, but the seal was slightly too big and I had to kinda squish it into place, such that it wasn't flush. I went ahead and installed it, and after I had tightened it down I noticed part of the seal was sticking out the bottom of the oil cooler and I ended up with this:
I figure the seal slipped partially out of place when I turned the oil cooler on it's side to install it. I'm assuming it's quite likely this would not have happened if I had done something like put some grease on the oil cooler side and stuck the seal into it.
So my questions are these:
- Was this obviously the wrong part and am I at fault for trying to install it?
- Should I have used grease to hold the seal in place?
- To what extent is this my problem and do I have any gripe / basis for a refund at this point from the parts store that sold it to me?