Hi All,
I have a 93 DX Hatchback M/T. The car is bone stock. I've replaced the oil a few weeks back and noticed an oil leak after about week. I first thought since I replace the motor oil, I may have not screwed the oil screw all the way or the oil filter was loose or I forgot to remove the old filter rubber ring. I decided to do another oil and filter replace to fix the issue, quadruple checked everything is tight and good. The oil leak came back. I then noticed the oil is pink and not greenish\yellow\brown (motor oil). I pulled my dip stick and my oil is fresh and clean. I spoke to a friend and he said use a break cleaner, wipe down the area and get under the car while running and see if you can spot the location of the oil leak. I did and the oil leak is coming from the area where the motor oil pan and transmission meet. Here is a pic.


Any idea where the oil is coming from? Is it safe to drive? I'm not a mechanic, more of a DIY person.

Thanks all!

 

If it's not motor oil then it can only be gear oil (transmission oil). The input shaft seal is probably worn out and leaking fluid into the bell housing. If it gets bad enough, your clutch will get wet with the oil and you will have slipping and burn out the clutch disc.

You can pull the inspection plate and see if you can see it drooling down the bell housing to the bottom or if it's coming from engine side.

 

So I did some more digging and it's not the trany oil. I removed the upper plug and clean goldish oil came out but very clear. I also found a pic of when I removed the oil filter and it's the engine oil that is pinkish.


Not sure why, my coolant is green so it's not that.
Doing some research online I ran into this I looked at my sensor and it's covered in oil. I think that is where the leak is and will pickup a new sensor this week. Anyone know a good way to replace that sensor without removing the intake manifold or good tutorial\video to remove the intake manifold?
Thanks

 

So I checked my sensor and that is not what's leaking. After a week of driving to work and back there is no more leak. Not sure if it was the new oil filter but it's good now.

 

Coming from that side of the engine, and being a DX, I'd suspect the rear main seal, the distributor o-ring, or the valve cover gasket. For the latter two, it would be running down and around the block, then dripping from there. To diagnose an oil leak, you're going to need to clean things up from top to bottom, as oil can leak from one location and then run to the other side of the engine before dripping down.