The Maintenance Files

Oil

(Written Fall 2004
- 62K miles)

An oil change was first in line.  After reading the forum's about the quantity of oil involved, I was prepared with a big ass bucket, paper towels & rags etc.  And the confidence of an oil change pro.  Of course, bear in mind that my hands have not touched dirty car oil in 25+ years (except for an assist on my 323i BMW done by resident stepson).

Draining the oil tank was a piece of cake.  Easy to access.  Whiz bang.  The filter was a piece of cake.  Hey, you don't have to go under the car.  Just how civilized is this?

And then I went for the engine drain plug.  Being the usual impatient idiot that I am, I positioned my oil bucket undid the bolt & sproing!  WTF?  Something shot into the hot oil.  Hmmm.  I undid what I thought was the drain & some unknown objects came out.  This was not a good thing.

I filtered the oil into bucket # 2 (don't forget bucket # 2!) and there were several mysterious parts that weren't found in the drain plug.  Fraught with dread, I hit the books & the net.  I mean, how can you mess up an oil change if you hope to seriously work on a car?  

I discovered that I had unwittingly taken off the bottom oil pressure release valve.  See A in the illustration below.

It is found to the rear of the engine & is a 17mm down-facing plug.  It's used to release oil when you first start, before the pressure builds or something.  No biggie, though.  I put it back together quite proud that I had found a new place to drain oil from.  I then found the right drain plug.  The bolt to the right (C above), is of course the right one.  This time I miss-positioned the oil bucket & the initial stream ended up on the garage floor.  It had to happen.  I was expecting it & had lots of paper towels ready.  Well, the garage floor needed a wash anyway but the driveway looks kind of embarrassing at the moment.

My second oil change was done Oct 2005 at 65,545 miles with no incidents.

 

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