Wrench (1k)  Engine Disassembly
  
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Crank   
A view of the crank and connecting rod caps.
  
Connecting rod caps   
A close-up of the crank, main bearing caps, and connecting rod caps.
  
#2 crank journal   
The crank journal on cylinder #2 was worn the most - the rest looked (and measured) ok for the mileage on the engine.
  
#2 rod cap   
The connecting rod cap from #2 was the worst.  Yes, this baby spun and was way out of wear tolerances.
  

Pistons & cylinders

 
With the head removed, the tops of the pistons are now visible (and dirty as hell).  Is this from normal fuel usage over the 92,000 miles, or from burning oil?
 

Deposits on piston

  
Lots of cooked-on deposits on piston #4.  The others looked similiar.
  

Pistons

  
All four pistons & rods after removal.
  

Piston rings

 
A close-up view of the rings on one of the pistons.  To my surprise, the oil control rings did not appear to be siezed or very gunked-up.
  

Rod #2

  
A look at the #2 piston rod, with the bearing removed.  This was the one that spun.
  

Rod cap

  
The connecting rod cap from #2, with the bearing in it.  Notice the inward curve of the ends of the bearing.
  

Rod #2

  
Another view of the rod and cap from #2 assembled, with the bearings in place.  I don't think daylight should be visible thru there.
  

 

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