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guthrie
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Posts posted by guthrie
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Reliability of 996 Engines
Be sure and check the photos of the tear down.
Loren,
Thank you, I looked over the pics and began to read the article. Do you know if there are special tools that are need to split the crank case and deal with pulling the pistons? Additionally, any special tools to put it back together again? Is this a DIY adventure?
Thanks
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Are the 3.4 and 3.6L watercooled motors designed to be rebuilt or simply replaced if a cylinder is "dead"? I performed a compression test on my motor and 5 cylinders delivered about 250psi and the last cylinder averaged 40psi!!! I repeated the test with the same results. The bad cylinder is number 4. I would like to take the motor out and tear it down and rebuild it with new rings. I am targeting rings because the leak down test didn't show any problem with the valves but did show problems with the rings. Additionally I am getting tremendous amounts of oily smoke out of the air oil separator, exiting out of the hose that returns vapors back to the intake manifold. The hose resembles an old locomotive chugging away.
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Loren,
It's not stock b/c we converted it to a one way catch can rig. Using the port that I believe would be used to vent the air back into the intake manifold, we diverted that hose to a catch can mounted to the fire wall. After reading about failed AOS that push large volumes of oil into the manifold I believe I have a worn out AOS. I say that b/c after about 30 minutes of running my 1 1/2 quart catch can fills up! So I was going to replace the main AOS unit. But to make sure I didn't mess up, I wanted to change the system back to stock. Also, there are two hose ports on the top of the '05 AOS that look as if they are vacuum line hoses??? if they are I am wondering if they need to be put back on. If you can help I would appreciate some advice. If the link below works it is the PET diagram of the 996 AOS. Look at the top three hoses, these are the one in question.
http://dcauto.gotdns.com/index.php?mode=pa...amp;illo=104-10
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When looking at the '05 air oil separator there are three hoses/pipes coming off of the top end of the AOS. Does anyone know where these three lines go? If you are looking at the PET diagram the hoses I am interested in are numbered 12, 5, and 13. Mine is not "stock", I am attempting to change it back to stock and don't know where to route these lines. Any help or diagrams would be greatly appreciated.
Thanks
guthrie
Are 996 motors disposable or rebuildable?
in 996 Series (Carrera, Carrera 4, Carrera 4S, Targa)
Posted
Smartrepair...
Thanks for the insight. I see the picture of your tool, the pipe in a pipe however can you explain a little more, how exactly do you use it? Can you define the "circlip"? And finally where does one acquire a "shopmanual"?