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1992 Chevrolet Camaro

Question: Intake Manifold Gaskets

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ceohill81, 5.0L V8, Cherry Point, NC, January 29, 2009, 16:53

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I just purchased some Fel-pro Intake Manifold Gaskets MS93317for my 92 Chevy Camaro. I was wondering if I should have cut out the rear coolant passages on the gaskets. I wasn't sure, so I installed them without taking them out. Now it is running awful, it cannot hold an idle and a hissing noise is heard from it. Also, I only get heat out of the defrost vents. What happened? Is it out of time; Are there more gaskets I should have replaced? Also the vacuum tee running to the fuel pump may be not hooked correctly..... Any advice would be appreciated....... Does any know Anyone in my Area that can fix this problem? Money isn't too much of a problem..

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• Answer #1

  Andy Y January 29, 2009, 17:25
  

   Master

  Wow lots of things for you to check, but they are do-able. You will need a torque wrench and timing light (own, borrow, rent from auto parts store).
  First, your new gaskets absolutely need to match the old ones. Did you compare the new to old? Did you follow the proper torque sequence when installing the manifold?
  Second, did you cold/static time the car, or time it at all after reinstalling the distributor?
  Are you sure your vacuum lines are all installed where they should be? If your heating system is vacuum operated, and there is a leak, it will default to the defrost mode.
  Check here and scroll down to your engine, it's a free repair guide but you might need to buy something more comprehensive from the auto parts store. Good luck
  http://www.autozone.com/shopping/repairGuide.htm?pageId=0...
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  ceohill81, January 29, 2009, 18:11
  

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  i dont know what the old gaskets look like, but i really think the rear passages should not have been blocked. i noticed when vacuuming out the old gasket material. there was coolant coming out of the front and rear passages. Hope that makes sense?
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  Andy Y, January 30, 2009, 11:51
  

   Master

  As a rule of thumb, always compare your new gaskets to the old ones and make sure they match. It's also good to do this when replacing parts. You also need to use a torque wrench for that intake manifold and tighten the bolts in the correct order. You probably need to start over and use quality gaskets like OEM or Fel-Pro. Often fel-pro will tell you the correct orientation of the gaskets and which side they need to be on.
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