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Great news...congrats!
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'82 US 5-spd
Old 05-11-2017, 08:58 PM
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Persistence Pays -

Hey 924 - Congratulations - Your Persistence has paid off.

I was about half expecting the heads might have to be removed to replace a couple of bent valves. I've seen two Euro 928 motors pulled because of timing belt issues.

Again - Absolutely Fantastic News........

Michael
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Old 05-12-2017, 05:30 AM
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glad you got it sorted out, Keep em flying!
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Old 05-12-2017, 10:46 AM
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Thanks everyone who helped solve this. Stepson, JKMcDonald, Mr. Merlin, Rocinante, and anyone else I missed. I know the list is much larger.
I may not post for a while because I'm going to be trying to find some tires to get the car rolling and then do the timing belt change, etc. I'll snap a couple of photos of that process even though my photos usually suck. lol Right now I'm just airing the old rotten tires up to roll the car back and fourth to wash it and clean it up.
You can almost see the air in them.
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1970 Porsche 911T Black
1990 Porsche 944 S2 Red on cashmere
1984 Porsche 928S Euro ROW GP white on black

Last edited by 924CarreraGTP; 05-12-2017 at 02:10 PM..
Old 05-12-2017, 02:06 PM
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So Stepson and I did a bit more work on the car and I moved it into my garage under it's own power. The hissing/popping sound turned out to be the boot between the throttle body and the intake plenum. It's also causing the car not to idle very well. I've got one on order right now and may be here tomorrow. Today I put two new Falken tires on the rear of the car. So as soon as I get the boot fixed I should be able to take the car for a spin around the block and down my neighborhood drag strip.
These photos were after some cleaning, detailing, and replacing the tires.



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1970 Porsche 911T Black
1990 Porsche 944 S2 Red on cashmere
1984 Porsche 928S Euro ROW GP white on black

Last edited by 924CarreraGTP; 07-01-2017 at 12:10 AM..
Old 07-01-2017, 12:07 AM
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1970 Porsche 911T Black
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1984 Porsche 928S Euro ROW GP white on black
Old 07-01-2017, 12:13 AM
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Hopefully, you order the 3 mounts to secure the throttle body to the engine as well.
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John Curry (Drift King) 928OC member
Grand Prix White 1994 GTS AT (The GTS)
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Indishrot 1984 Euro S AT (The Stepson)
Black Metallic 1984 Euro S 5 speed (The Schwartz)
Old 07-03-2017, 10:01 AM
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I'm actually looking for a part number for those mounts right now. I didn't find them on this website. I can't seem to make contact with 928sRus.
Old 07-10-2017, 11:04 PM
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Just call them and leave a message if necessary.
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John Curry (Drift King) 928OC member
Grand Prix White 1994 GTS AT (The GTS)
Cobalt Blue 1989 S4 AT (The Blue Car)
Indishrot 1984 Euro S AT (The Stepson)
Black Metallic 1984 Euro S 5 speed (The Schwartz)
Old 07-11-2017, 10:32 AM
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928 110 191 00

or

928 703 261 00

One of those 2 numbers should do it. I think the only difference is the length of the studs.
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John Curry (Drift King) 928OC member
Grand Prix White 1994 GTS AT (The GTS)
Cobalt Blue 1989 S4 AT (The Blue Car)
Indishrot 1984 Euro S AT (The Stepson)
Black Metallic 1984 Euro S 5 speed (The Schwartz)
Old 07-11-2017, 10:36 AM
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So just some follow up. The car was starting and running fine, but the throttle body boot was leaky and popping. I got the new boot, and eight new boots for the intake spider also. The throttle body housing fasteners will be here Thursday. Unfortunately one of them is stuck from corrosion and broke the stud off in the block. I got a drill bit today that I'm going to try to remove the stud with. Wish me luck.
Excuse the dirty block. I've cleaned it since these photos.



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1970 Porsche 911T Black
1990 Porsche 944 S2 Red on cashmere
1984 Porsche 928S Euro ROW GP white on black
Old 07-15-2017, 09:39 PM
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At least its not the one in the bottom of the V.
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John Curry (Drift King) 928OC member
Grand Prix White 1994 GTS AT (The GTS)
Cobalt Blue 1989 S4 AT (The Blue Car)
Indishrot 1984 Euro S AT (The Stepson)
Black Metallic 1984 Euro S 5 speed (The Schwartz)
Old 07-18-2017, 04:28 PM
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I got her back together and drove her last night and today. She's leak free and very powerful, but there's still a ton of work to be done. I think the car is running too hot. I didn't let it overheat but the gauge is creeping up into the middle region. I'll try a thermostat first. The 4 speed auto shifts great and the kickdown works. None of the other electronics work. I do mean none. The headlights don't work, the blower doesn't blow, the radio doesn't come on. I found myself laughing at all of this because one of my 944's was the same way. The power steering feels tight and isn't working well. Brakes are getting better. She looks good though. Not bad for a car that had been sitting for between 13 and 15 years.
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1984 Porsche 928S Euro ROW GP white on black

Last edited by 924CarreraGTP; 07-19-2017 at 01:56 AM..
Old 07-19-2017, 01:50 AM
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Yup. She looks good.

I'm guessing that your compression problems are correcting themselves after running the engine a while?

Middle region is okay for the temperature. If it goes anywhere above the last line, then you will want to shut it down and check stuff.
If you do decide to replace the thermostat, make sure to order the O ring that seals the housing as well as the behind-the-thermostat seal that makes the thermostat work properly. That seal is a rubber covered soft metal that prevents the coolant from just recirculating in the engine and forces the coolant into the radiator. The rubber on that seal deteriorates over time and all you are left with is the soft metal which won't seal.
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Grand Prix White 1994 GTS AT (The GTS)
Cobalt Blue 1989 S4 AT (The Blue Car)
Indishrot 1984 Euro S AT (The Stepson)
Black Metallic 1984 Euro S 5 speed (The Schwartz)
Old 07-19-2017, 08:32 AM
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So with the help of Stepson I've been in the process of replacing the timing belt in my Euro S.
I'm waiting on some CRC Moly dry film lubricant to coat the oil pump and cam gears, a tensioner boot, and bushings for the tensioner arm bolt. I ordered these from our host.
Once I get the new belt and parts in I'm going to start diagnosing another problem the car has.
It starts up and runs great on a cylinders, but it seems to bog down when you floor the accelerator at speed. When I was taking it apart I noticed the hot wire MAF was loose. Maybe it's been sucking air?
So the project is ongoing. I also got the headlights working but one tailight doesn't want to come to life after new fuses and relays.
I've got all new tires on the car now, but I am still going to have to conquer a fuel leak at the tank before the car can be driven reliably.
It's kind of an odd leak. It only leaks when the tank is at a certain volume of fuel.
Once it leaks out to certain point it stops leaking but still has gas in it.


Old 12-03-2017, 10:40 PM
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Gas Tank Leak -

Hey 924 - You are making great progress on your project. Your fuel leak from the gas tank area is a very common issue on almost every 928 being brought back to life. There is a foot long hose (about 5/8" diameter) that allows gasoline to equalize between two upper chambers of the tank. Once it deteriorates you will dump the top couple of gallons from a full tank of gas until replaced.

It is not a difficult repair - Here is a photo of the equalizing line. To be replaced it must be disconnected at one end as the tank is dropped.

Removal of fuel Level sending unit in tank

Good Luck, Michael
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Old 12-04-2017, 06:52 AM
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Quote:
Originally Posted by JK McDonald View Post
Hey 924 - You are making great progress on your project. Your fuel leak from the gas tank area is a very common issue on almost every 928 being brought back to life. There is a foot long hose (about 5/8" diameter) that allows gasoline to equalize between two upper chambers of the tank. Once it deteriorates you will dump the top couple of gallons from a full tank of gas until replaced.

It is not a difficult repair - Here is a photo of the equalizing line. To be replaced it must be disconnected at one end as the tank is dropped.

Removal of fuel Level sending unit in tank

Good Luck, Michael
+1. Not hard, but make sure the fuel tank is empty when starting this fix. The fuel tank with any fuel in it is very heavy!!

The MAF pushes into a large O ring in the throttle body. That O ring goes flat and has to be replaced. Unmetered air will get past that flat O ring and into the throttle body. Just replace that O ring and it will hold your MAF securely and leak free
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Grand Prix White 1994 GTS AT (The GTS)
Cobalt Blue 1989 S4 AT (The Blue Car)
Indishrot 1984 Euro S AT (The Stepson)
Black Metallic 1984 Euro S 5 speed (The Schwartz)
Old 12-04-2017, 10:38 AM
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Quote:
Originally Posted by 924CarreraGTP View Post
I got her back together and drove her last night and today. She's leak free and very powerful, but there's still a ton of work to be done. I think the car is running too hot. I didn't let it overheat but the gauge is creeping up into the middle region. I'll try a thermostat first.
The first thing I would do is remove the radiator and have it vatted by a radiator shop. At the VERY least, I would back flush it with a garden hose. Sediment builds up when PO's use non-distilled water and the sediment will reduce the cooling power of the radiator. The back flush can remove a lot of the sediment but it won't remove the scale left by using tap water.
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John Curry (Drift King) 928OC member
Grand Prix White 1994 GTS AT (The GTS)
Cobalt Blue 1989 S4 AT (The Blue Car)
Indishrot 1984 Euro S AT (The Stepson)
Black Metallic 1984 Euro S 5 speed (The Schwartz)
Old 12-04-2017, 10:43 AM
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Empty Gas Tank -

Hey Stepson - You are right I should have mentioned the step to empty the gas tank prior to trying to remove it. Just the safety issue could be catastrophic. That tank would also definitely be more than you'd want to try to man handle with anything left in it.

Safety First, Michael
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Old 12-04-2017, 03:31 PM
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Quote:
Originally Posted by JK McDonald View Post
Hey Stepson - You are right I should have mentioned the step to empty the gas tank prior to trying to remove it. Just the safety issue could be catastrophic. That tank would also definitely be more than you'd want to try to man handle with anything left in it.
Michael, I really think you were dead on with your post, but having done this, I can say that the tank is very unwieldy and any fuel left will be sloshing around and make the whole darn thing even harder to position and that much heavier.
A gallon of water is @ 7 lbs. Fuel would be a little lighter, but even trying to wrangle an empty tank back into the correct position can be quite a job, not to mention the safety factor with any fuel left inside.

I would recommend that anybody use this time while the tank is empty to clean the tank and replace the screen or replace the hose between the 2 parts of the intank pump as necessary on your car.(On an 84 Euro, it'll be the screen as there is no intank pump on this MY)
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Grand Prix White 1994 GTS AT (The GTS)
Cobalt Blue 1989 S4 AT (The Blue Car)
Indishrot 1984 Euro S AT (The Stepson)
Black Metallic 1984 Euro S 5 speed (The Schwartz)
Old 12-04-2017, 04:04 PM
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