"This is NOT an oversized drain plug"

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At least that's what the sticker on the oil pan right next to a large bolt on my friend's 1998 Ford Contour said. The bolt head was about an inch or so in diameter, six-sided, with some sort of black rubber pad covering most of the large, flat surface.

The sticker was extremely soiled with road grime, oil, etc., so it wasn't possible to make out all it said, but it mentioned something about a "Ford power drain" (I'm going off memory here) for the engine oil and, if removed, should be tightened to the proper torque (which it didn't list).

As I was unable to find any normal drain plug on the pan and the head had clearly been removed in the past during oil changes (there were markings in the metal), I (after getting my friend's permission) removed it. Lo!, dirty engine oil flowed out into the catch pan.

The plug didn't look quite like a standard, solid drain plug. There was some internal parts visible through small openings in the threads of the plug. As the recommended torque value for the plug was unknown, I tightened it to what I thought was a comparable tightness that I encountered when I removed it. Basically, it was snug but not too tight.

After refilling the engine with the appropriate amount of oil, everything seemed to be fine.

Any ideas on what the "not an oversized drain plug" is?

Also, there was a small (about 2-3" long), dessicated fish on the valve cover between the two cam humps. It was just lying there between the spark plug wires. No idea how the heck a fish got on top of her valve cover. Any ideas?
 
could be a replacement plug after someone ruined the threads on the old one. I rethreaded my jeep for a 1 inch bolt
 
Originally Posted By: defektes
could be a replacement plug after someone ruined the threads on the old one. I rethreaded my jeep for a 1 inch bolt


Perhaps, but why the sticker?

The sticker was also a bit generic, saying that the threads should be lubricated, but that graphite lubricant should be used with Toyotas when reinstalling the plug. Go figure.
 
Originally Posted By: heypete
Also, there was a small (about 2-3" long), dessicated fish on the valve cover between the two cam humps. It was just lying there between the spark plug wires. No idea how the heck a fish got on top of her valve cover. Any ideas?



Maybe this was a flood car. Was it bought used?
 
Originally Posted By: GMBoy
Maybe this was a flood car. Was it bought used?


It's a friends car, so I don't know all the details, but she's definitely not the first owner.

I wonder if it's some sort of vacuum system for sucking the oil out faster than gravity might otherwise allow. I don't know for sure, but perhaps the rubber pad covers some sort of connector? Seems somewhat silly, as oil flows out pretty fast already.
 
I think right now I would be more concerned with the fish than the oil pan. Do a carfax search or something. This car may have been a flood car. Fish just do not show up in engine bays. Perhaps they did a halfbutt job in flushing fluids and ruined the pan and that's why you have that funny plug, too. Things just seem odd to me. In the mean time - pull up the carpets where you can and look under to see any signs of water intrusion. Look real good because I'm sure they shampooed well but they always leave some evidence.
 
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