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Brando
 
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Join Date: May 2006
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Holy crap what have I done?

I've got myself into so many projects that I'm worried I'll have time to finish up before my big road trip with the wife on the 14th.
Started out with clutch, then rockers r&r. Then I had some difficult oil leaks I wanted to address. (Pully seal, flywheel seal, scavenge pump leak, turbo feed/drain, triangle issues etc....)
Then I added a egt gauge and boost controller. Which I needed to remove the seats and carpet to properly route hose and probe line even through the tunnel. Removed my lower dash in prep to add a 964 lower dash(rethinking). New red carpet will arrive soon as well. Augh!!!!!!
So my car is in pieces and the rockers are on the way back tomorrow!
Sometimes I wonder what I'm doing.

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Turbo powa!
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Last edited by quattrorunner; 02-11-2013 at 08:17 AM.. Reason: Spelling
Old 01-22-2013, 09:59 PM
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Quote:
Originally Posted by quattrorunner View Post
...I had to remove a collar I put on to fix the nose bearing gasket before. Didn't work.
Well, we can see...
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Roland

930 Turbo '81 Too many modifications to list
Old 01-23-2013, 12:04 AM
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That is not a pretty picture, but my vote is, the seal will leak
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Last edited by gruppe75; 01-23-2013 at 06:09 AM..
Old 01-23-2013, 04:44 AM
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+1
Hate to have to remove everything again to replace the seal if it leaks.
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1981 411 rwhp, Ruf intercooler, 964 cams, Turbo Kraft injector blocks, Extrude honed intake, 7006 Turbo, Tial wastegate, RarlyL8 exhaust, MSD6al
Old 01-23-2013, 05:07 AM
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Sorry to deliver the bad news as well but by the looks of that I say it will leak. You are a brave man takeing all that on before a big trip. I feel it is doable so I will be watching. Keep us posted with pics and Good Luck hope all goes smooth from here.
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91 964 c2 black/ Work in progress/Finally back on the road
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Old 01-23-2013, 05:27 AM
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You didn't need us to confirm what you already knew...
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Old 01-23-2013, 05:37 AM
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I think you just need to add more JBWeld!
Old 01-23-2013, 06:54 AM
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Brando
 
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Quote:
Originally Posted by Ronnie's.930 View Post
I think you just need to add more JBWeld!
Be nice!
I know, I'm getting a new one today. But the last one went in the same way. Why can't I press this in without squiching this part of the seal out? Last time I used the green curel t stuff. I thought thats why it was bad but this time it was dry-ish and still same result. Before I do it again tomorrow how do I do it?
I used a round little thing and a mallet.
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Turbo powa!
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Old 01-23-2013, 08:01 AM
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Brando
 
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BTW I realize this picture is ridiculous! And the fact it looks like this is embarrassing. But I need help. I will clean it up and try and get rid of the jb weld as much as I can without ruining the area.
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Turbo powa!
1977 911s. it's cool
Old 01-23-2013, 08:06 AM
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Brando
 
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Can't find this part, 99970143540 NLA. Mine is too thin, anyone think liqued gasket rtv would do ok? I'm going to have no choice I think.
It's the o-ring inside the scavange pump. anyone else seen this part leak?
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Turbo powa!
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Old 01-23-2013, 08:26 AM
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Quote:
Originally Posted by quattrorunner View Post
Can't find this part, 99970143540 NLA. Mine is too thin, anyone think liqued gasket rtv would do ok? I'm going to have no choice I think.
It's the o-ring inside the scavange pump. anyone else seen this part leak?
Here are the two scavange pump seals listed in the PET (pgs 63-64) -

Pelican Parts - Automotive Parts and Accessories - Porsche & BMW

Pelican Parts - Automotive Parts and Accessories - Porsche & BMW
Old 01-23-2013, 09:51 AM
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Brando
 
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Quote:
Originally Posted by Ronnie's.930 View Post
Wow, shocking! I could not find it even with the sales guy at pelican. I was about to order an o-ring 47x2 from an o-ring supplier.
Thanks soo much.
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Turbo powa!
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Old 01-23-2013, 09:56 AM
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"Holy crap what have I done?"

geeez, I donno...
Looks like you got mad at it or something.

I would say you should stop now and take it to a mechanic before you butcher it any farther...

ummm...
good luck with it.
Old 01-23-2013, 04:44 PM
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Is that photo of the seal behind the fan belt pulley?
If this is so:

The good news: IT IS REPAIRABLE!

THE BAD NEWS: Gotta split the case and replace the no. 8 main bearing.

You will have no joy unless you do it correctly, replace the no. 8 main bearing and associated O-ring and seals.

Otherwise you are in for an eternity of leaks from that seal, and it wont get better.

Sorry to be the one to tell you, but "facts is facts".

John
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Old 01-28-2013, 06:34 PM
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Brando
 
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So tonight I finally got to do some things. I really have most everything to finish up and now just need time. Well the rockers look nice. Cgarr did nice work on them.
I reinstalled new rsr o rings on the shafts and so far they're going in much easier than the last time, none are shearing off. I must have had a bad batch or something last time. The shafts are tightening much easier than last time as well. What could be different I just don't know?
I reinstalled the new crank pully seal (again) and this time really wasn't much different. I got it in with less of the squeezing out at the top like the picture but still some. Not as bad. I think I have an anamoly there because I'm not stupid even though my kids think the're smarter than me.
I resaeled the scavange pump with new seal and o-ring inside. I used a new gasket on the cam tower and used curel-T on the paper this time instead or 574. My leak there was the inside o-ring though so with that and some gasket maker smeared on it I think I'm dry there too.
On to the nose bearing.....I ordered another collar from Tom Ammon, I still think there is something to it. This time, I'm going to clean it really good with brake cleaner or something under a little pressure into the crack where the nose bearing and case seperate and then make a bead of oil resistant rtv gasket maker and put the new collar on again. This time I'll finish it off nice and clean. If it leaks again, I'll just try something else. I won't split this case for a few years.
I'll seal this leak though. I'll show you Johnny Boy, You think I don't know what I'm up against?


Quote:
Originally Posted by JohnnyT View Post
Is that photo of the seal behind the fan belt pulley?
If this is so:

The good news: IT IS REPAIRABLE!

THE BAD NEWS: Gotta split the case and replace the no. 8 main bearing.

You will have no joy unless you do it correctly, replace the no. 8 main bearing and associated O-ring and seals.

Otherwise you are in for an eternity of leaks from that seal, and it wont get better.

Sorry to be the one to tell you, but "facts is facts".

John
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Turbo powa!
1977 911s. it's cool
Old 01-28-2013, 08:26 PM
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Go here.
Tom Amon showed up at my house with new gadget!!
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Old 01-28-2013, 09:27 PM
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Brando
 
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Quote:
Originally Posted by JohnnyT View Post
Dude, if you looked you'd see I posted there three times. I know and understand. Thanks though. I'm not splitting it.
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Turbo powa!
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Old 01-29-2013, 06:09 AM
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Man, did that get chewed up! Was it from the pulley coming loose? As for the collar repair I suggest to use Toyota oil pan gasket sealant instead of RTV sealant. Let it dry 24 hrs before you add oil. The only problem is when it's time to split the case it will be a bear to remove the collar.
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'87 930
Old 01-29-2013, 08:38 AM
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Brando
 
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Quote:
Originally Posted by MikeD94 View Post
Man, did that get chewed up! Was it from the pulley coming loose? As for the collar repair I suggest to use Toyota oil pan gasket sealant instead of RTV sealant. Let it dry 24 hrs before you add oil. The only problem is when it's time to split the case it will be a bear to remove the collar.
Hey man thanks for that info! I love constructive help.I'll get some.
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Turbo powa!
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Old 01-29-2013, 08:55 AM
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Brando
 
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Quote:
Originally Posted by MikeD94 View Post
Man, did that get chewed up! Was it from the pulley coming loose? As for the collar repair I suggest to use Toyota oil pan gasket sealant instead of RTV sealant. Let it dry 24 hrs before you add oil. The only problem is when it's time to split the case it will be a bear to remove the collar.
It was from pulling the old collar off. I over used the jb weld. It's cleaner now. Now though, I'm using this

Any pointers to using this? Says it's to be assembled within 15 minutes. So I'll apply this with some aspplication to the seem under as much pressure as I can and then assemble the collar on top of that, then later, I'll add a small amount of jb weld to that seem area. Hope it holds the pressure and oil in!

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Turbo powa!
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Old 01-31-2013, 10:18 AM
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