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Spark Plug Tube replacement


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I have a 2000 996 C2, 6 speed, 90K miles. I have oil leakage from the spark plug area, and am assuming I have bad spark plug tube o rings. Given this, I see that the price of replacement tubes is not much more than just the o rings. Should I just buy the new tubes? Also, I have found spark plug replacement instructions, but was wondering if anyone has instructions on how to remove and replace the tubes. Thanks

PS - kind of ironic that I can't escape tubes that leak oil in Porsches - I have replaced push rod tube o rings on my 914's and oil return tubes on my 911 SC. I understand that the later 996 and 986 engines do not have the tubes - is that right?

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Hi - i just did my coils, plugs, tubes and o-rings on a 2000 996. Removing/replacing the tubes is a really simple job with the right tool. I purchase the factory recommended puller tool - from Kukko P/N: 21-4 (same as Hazel 788-30) - A$100 well spent. Instructions are in the repair manual at Group 15 46 19 - page 15-83. However instead of the two mounting bars, I used the nut on the puller to secure a ring spanner under a large washer and then levered the puller and tube out against a wood block against the engine. They all popped out with little to medium force. Prior to installation make sure you use the recommended lube on the o-rings. To install I used the handle end of a large screwdriver - that fitted snuggly on the end of the tube without getting stuck - to push them back in. Hope this helps.

edited to add photo of Kukko 21-4

post-37550-0-40672600-1301045706_thumb.j

Edited by amcleod1
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$100 for the Porsche tool that you might use once every 5 years or so is crazy. Go to your local marine supply store and get a transom plug like this for less than $5. Get the right size and they work just fine.

post-7011-0-33110300-1299512438_thumb.jp

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Hi - i just did my coils, plugs, tubes and o-rings on a 2000 996. Removing/replacing the tubes is a really simple job with the right tool. I purchase the factory recommended puller tool - from HAZEL p/n 788-30 - A$100 well spent. Instructions are in the repair manual at Group 15 46 19 - page 15-83. However instead of the two mounting bars, I used the nut on the puller to secure a ring spanner under a large washer and then levered the puller and tube out against a wood block against the engine. They all popped out with little to medium force. Prior to installation make sure you use the recommended lube on the o-rings. To install I used the handle end of a large screwdriver - that fitted snuggly on the end of the tube without getting stuck - to push them back in. Hope this helps.

Can you post a photo of the Hazel p/n 788-30. I used the transom plug and it worked slick.

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I have a 2000 996 C2, 6 speed, 90K miles. I have oil leakage from the spark plug area, and am assuming I have bad spark plug tube o rings. Given this, I see that the price of replacement tubes is not much more than just the o rings. Should I just buy the new tubes? Also, I have found spark plug replacement instructions, but was wondering if anyone has instructions on how to remove and replace the tubes. Thanks

PS - kind of ironic that I can't escape tubes that leak oil in Porsches - I have replaced push rod tube o rings on my 914's and oil return tubes on my 911 SC. I understand that the later 996 and 986 engines do not have the tubes - is that right?

TomCat:

Here is a set of instructions on Pedro's Garage Web Site: http://www.pedrosgarage.com/Site/DIY_Projects.html

Regards, Maurice.

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I went the $5.00 route had no problems changing tubes....

I have a 2000 996 C2, 6 speed, 90K miles. I have oil leakage from the spark plug area, and am assuming I have bad spark plug tube o rings. Given this, I see that the price of replacement tubes is not much more than just the o rings. Should I just buy the new tubes? Also, I have found spark plug replacement instructions, but was wondering if anyone has instructions on how to remove and replace the tubes. Thanks

PS - kind of ironic that I can't escape tubes that leak oil in Porsches - I have replaced push rod tube o rings on my 914's and oil return tubes on my 911 SC. I understand that the later 996 and 986 engines do not have the tubes - is that right?

TomCat:

Here is a set of instructions on Pedro's Garage Web Site: http://www.pedrosgar...Y_Projects.html

Regards, Maurice.

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I went the $5.00 route had no problems changing tubes....

I have a 2000 996 C2, 6 speed, 90K miles. I have oil leakage from the spark plug area, and am assuming I have bad spark plug tube o rings. Given this, I see that the price of replacement tubes is not much more than just the o rings. Should I just buy the new tubes? Also, I have found spark plug replacement instructions, but was wondering if anyone has instructions on how to remove and replace the tubes. Thanks

PS - kind of ironic that I can't escape tubes that leak oil in Porsches - I have replaced push rod tube o rings on my 914's and oil return tubes on my 911 SC. I understand that the later 996 and 986 engines do not have the tubes - is that right?

TomCat:

Here is a set of instructions on Pedro's Garage Web Site: http://www.pedrosgar...Y_Projects.html

Regards, Maurice.

Maurice

Thanks a bunch. Well documented procedure and love the creativity on the transom plug.

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I went the $5.00 route had no problems changing tubes....

I have a 2000 996 C2, 6 speed, 90K miles. I have oil leakage from the spark plug area, and am assuming I have bad spark plug tube o rings. Given this, I see that the price of replacement tubes is not much more than just the o rings. Should I just buy the new tubes? Also, I have found spark plug replacement instructions, but was wondering if anyone has instructions on how to remove and replace the tubes. Thanks

PS - kind of ironic that I can't escape tubes that leak oil in Porsches - I have replaced push rod tube o rings on my 914's and oil return tubes on my 911 SC. I understand that the later 996 and 986 engines do not have the tubes - is that right?

TomCat:

Here is a set of instructions on Pedro's Garage Web Site: http://www.pedrosgar...Y_Projects.html

Regards, Maurice.

Maurice

Thanks a bunch. Well documented procedure and love the creativity on the transom plug.

Thank you to Canmanluge as well!

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  • 2 weeks later...

Folks

Completed spark plug replacement and tube o ring replacement with no issues. Used the transom plug and it was a little fussy but worked. Just need to rememeber to put it back in my friend's boat before he goes fishing.....

Thanks for the advice.

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