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1996 Oldsmobile Achieva

Question: Sparkplugs

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frenchfry62, Jacksonville, IL, October 01, 2009, 13:32

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car is hydro locked and cant get to rear plugs to remove. How do you get to rear sparkplugs by firewall?

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• Answer #1

  sinautoscan.com October 01, 2009, 13:58
  

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  if you can get in there and try to heat it up or spray WD 40 you can try both things too
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• Answer #2

  patrick mannion from Greg Solow's Engine Room, October 01, 2009, 20:35
  

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  I have never had great luck with WD40, Croil is a better penetrating oil, and the company GUNK make a product I think called Bust Rust that seemed to penetrate pretty well. Sinautoscan is absolutely right about heat, if only you could run the engine and generate heat, but running the engine may cause damage even if you could get it started.
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• Sparkplugs
  Do you have to rock engine forward to get to rear sparkplugs and if so how?

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