The d series (>95k mi) in my CRX is leaking oil. I have just about replaced every seal and gasket in the engine just short of the rear main seal. I even degreased the engine bay in case it was just dripping off previously leaked oil. Idk where the oil could be coming from at this point. Can anyone tell me how to start troubleshooting? Are there any usual suspects for d series motors? Am I just an idiot who installs everything wrong?

 

Where are you seeing the leak? I could never get the valve cover to stop leaking without adding rtv on both sides of the gasket.

 

According to my observations, the following locations on my motor have oil on them: the front of the valve cover, the front of the upper timing cover seal, the driver's side motor mount and its bracket, the a/c compressor and its bracket, the alternator and its bracket, the rear of the lower timing cover, the oil pan seal, and everything below, beside, and behind that last spot.

I suppose I should redo my valve cover and oil pan gaskets?

 

Your valve cover or cam seal seems to be the source since it's the highest parts that's dirty.

The valve cover needs hondabond in the corners around the the semicircle near the cam gear area

When torquing those timing belt cover bolts, just slight torque. You can easily snap those heads. I've snapped many...
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