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How to: Oil Pump removal, Rehab & Install with pics

 
Old 01-08-2017, 09:08 AM
  #61  
Kevin in Atlanta
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Is your gear steel or aluminum? Spacer is only necessary if the oil pump gear is aluminum.
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Old 01-08-2017, 10:43 AM
  #62  
hlee96
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Steel gear. I am referring to the spacer-washer that is located in front of the steel gear and the thick washer, away from the block.

#52 in WSM 17-2 picture. #54a is the washer that is not used with alloy gear.

thanks, Hoi
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Old 04-22-2017, 02:12 PM
  #63  
Daniel5691
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Great write-up, very much appreciated. Thank you.

If any of your wizards have some time for n00b questions:

1) Why is the steel gear preferred over the aluminum gear? Resistance to wear?
2) Which oil pumps are "interchangeable" between model years?
3) What are the differences between the oil pumps as they changed over the years?
4) Is it correct that only the late model pumps are now available for use on all years?

Thanks again for a great write up.
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Old 04-19-2019, 04:13 PM
  #64  
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How in the heck do you get the woodruff key out? I can't get anything behind it to get any leverage on it.

Bit of a puzzle.
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Old 04-19-2019, 05:15 PM
  #65  
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Never mind.. got it out. What a PITA.

Used some penetrating oil, then used a steel drift to hammer at the front of the drift to push it up at the rear, then hammered the rear down to push the front up. Supporting the shaft while doing this so all the force was on the key and not the pump itself and hammering very carefully.
With the key up at the front, turn the pump up (Shaft pointing up) and used the drift against the exposed front of the key. Popped right out.
I do have some marks on the key, will see if I can polish them out, if not then just key a new key. I assume they are available
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