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SC430 - 2nd Gen (2001-2010)

Changing Valve Cover Gasket & removing Air intake Box DIY

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Old Jun 19, 2017 | 11:32 AM
  #16  
socalturbo's Avatar
socalturbo
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I bought both valve cover gaskets and spark plugs to install this past weekend. I ended up not using the valve cover gaskets because all 9 bolts on each valve cover was loose as you guys mentioned. i tightened them all down and didn't bother replacing them. Just replaced all spark plugs instead. Saved myself a couple of hours but now I have to return the gaskets. best tools to use for this are 1/4" joint and different length extensions. Also, pressure wash the engine bay before working on it, it makes the job cleaner.
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Old Jun 19, 2017 | 12:56 PM
  #17  
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From: Fl
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Originally Posted by socalturbo
I bought both valve cover gaskets and spark plugs to install this past weekend. I ended up not using the valve cover gaskets because all 9 bolts on each valve cover was loose as you guys mentioned. i tightened them all down and didn't bother replacing them. Just replaced all spark plugs instead. Saved myself a couple of hours but now I have to return the gaskets. best tools to use for this are 1/4" joint and different length extensions. Also, pressure wash the engine bay before working on it, it makes the job cleaner.
if you used the same kit I did, see above, then you only need one kit.
also, keep one of the kits because it will begin to leak again.
i tightened the bolts twice and they started leaking again. I kept the gasket kit and changed them...all is good now.
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Old Dec 11, 2018 | 04:40 PM
  #18  
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Thanks Trini, you helped me quite a bit. I didn't remove all the items you suggested, but got the job done (tightening the loose bolts), and it appears the very small oil leakage has stopped.
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Old Dec 11, 2018 | 06:09 PM
  #19  
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Hmm - now I wonder if I really needed a new valve cover gasket after I bought my 2002 earlier this year, though I trust the local shop I've used for decades. Carfax didn't indicate any record of it being replaced - and with 151k miles on it it probably needed it.

BUT - I might check the bolts annually to make sure none are loose. Does anyone know what the recommended torque settings might be?
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Old Dec 11, 2018 | 06:16 PM
  #20  
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10 ft lbs., or 120 in/lbs. Most cases, just tightening the bolts cures the problem.
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