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  Topic: Cold start rough running
MOTANUL

Replies: 6
Views: 609

PostForum: 931 Tech.   Posted: Sat Jun 27, 2020 10:44 pm   Subject: Cold start rough running
From what I remember at NA it closes. Closes in about 1 minute. And it stays close as long as the ignition is on (warm engine).

I noticed that the AAV turbo shape is a little different - I did not ...
  Topic: Cold start rough running
MOTANUL

Replies: 6
Views: 609

PostForum: 931 Tech.   Posted: Thu Jun 25, 2020 6:32 am   Subject: Re: Cold start rough running


Does this sound like a Auxiliary Air Valve problem? I've read that they usually fail stuck open, which sounds like it would be the opposite of what I'm seeing.



In my experience, even if th ...
  Topic: Overhaul Porsche 931 S1 engine
MOTANUL

Replies: 3
Views: 297

PostForum: 931 Tech.   Posted: Mon Jun 22, 2020 7:50 pm   Subject: Overhaul Porsche 931 S1 engine
1. Total SealŪ Piston Rings Company Sold
This company? http://www.totalseal.com/

2-Piston pin - why? - If it is not necessary, I do not change it.

3-4 Mittelmotor

Pistons - Porsche If I am ...
  Topic: Overhaul Porsche 931 S1 engine
MOTANUL

Replies: 3
Views: 297

PostForum: 931 Tech.   Posted: Mon Jun 22, 2020 6:34 pm   Subject: Overhaul Porsche 931 S1 engine
I plan to disassemble the engine in the fall to replace the following:
1-Piston rings
2-Piston pin
3-Connecting-rod bearing
4-Crankshaft bearing
-gaskets

If necessary, I will also replace the ...
  Topic: 931 Tech To do list
MOTANUL

Replies: 126
Views: 65857

PostForum: 931 Tech.   Posted: Fri May 29, 2020 1:49 am   Subject: 931 Tech To do list
The steering column rattles pretty badly. I replaced the wheel bearing. Almost no improvement

The bushing on the steering column is no longer available. Maybe I can put a teflon or polyurethan ...
  Topic: 1980 Porsche 924 turbo aesthetic restoration mainly
MOTANUL

Replies: 39
Views: 13976

PostForum: 931 Discussion   Posted: Fri Apr 03, 2020 4:24 am   Subject: 1980 Porsche 924 turbo aesthetic restoration mainly
The hood and the interior is ready.

https://i.ibb.co/ZBFsBwC/IMG-20200402-140830.jpghttps://i.ibb.co/8DzZD9N/IMG-20200402-172918.jpghttps://i.ibb.co/Sm6MXw4/IMG-20200402-173233.jpghttps://i.ibb.co ...
  Topic: Oil in my air box
MOTANUL

Replies: 13
Views: 13478

PostForum: 931 Tech.   Posted: Tue Mar 31, 2020 11:46 pm   Subject: Oil in my air box
Why are there 2 pipes? I guess the long pipe is set to stop the oil vapor from getting on the air filter.

I do not understand the role of the short pipe. Maybe some clearer pictures would help me f ...
  Topic: 1980 Porsche 924 turbo aesthetic restoration mainly
MOTANUL

Replies: 39
Views: 13976

PostForum: 931 Discussion   Posted: Sun Mar 29, 2020 3:57 am   Subject: 1980 Porsche 924 turbo aesthetic restoration mainly
Before and after covid.


https://i.ibb.co/VNFQv1r/90849221-2826375917478122-6956290364458139648-o.jpghttps://i.ibb.co/hFHrDNf/91356043-2826375924144788-6243685707286577152-o.jpg
  Topic: Oil in my air box
MOTANUL

Replies: 13
Views: 13478

PostForum: 931 Tech.   Posted: Thu Mar 26, 2020 4:40 pm   Subject: Oil in my air box
I have previously written on the forum that the 924 Turbo US models do not bypass the air filter (the hose in the purulator enters the air filter housing in series 1 and series 2).

Question: Is the ...
  Topic: Clutch pedal no longer disengages clutch
MOTANUL

Replies: 23
Views: 3992

PostForum: 931 Tech.   Posted: Tue Mar 24, 2020 1:13 am   Subject: Clutch pedal no longer disengages clutch
It usually breaks down Clutch operating cylinder or master cylinder.

Many with Porsche 924S or 944 have already changed these spare parts due to failure.
  Topic: Oil in my air box
MOTANUL

Replies: 13
Views: 13478

PostForum: 931 Tech.   Posted: Mon Mar 23, 2020 3:02 am   Subject: Oil in my air box
I disassembled air/oil separator (purulator).

The front hose had a little residue inside.
The up and back was a little more. The lower-back less residue. In the Purulator there are also small amou ...
  Topic: Hood (Lid) Pin (lock) area with Rust (PLEASE CONTRIBUTE)
MOTANUL

Replies: 11
Views: 3066

PostForum: 931 Tech.   Posted: Sun Mar 15, 2020 8:22 pm   Subject: Hood (Lid) Pin (lock) area with Rust (PLEASE CONTRIBUTE)
The hood was painted by a professional painter (cabin and special support for rotation). In the repaired area there are portions that look better than the rest of the bonnet. I have a straight beam in ...
  Topic: Hood (Lid) Pin (lock) area with Rust (PLEASE CONTRIBUTE)
MOTANUL

Replies: 11
Views: 3066

PostForum: 931 Tech.   Posted: Sun Mar 15, 2020 6:08 am   Subject: Hood (Lid) Pin (lock) area with Rust (PLEASE CONTRIBUTE)
https://i.ibb.co/vQtRzDc/IMG-20200314-132758.jpg
  Topic: Hood (Lid) Pin (lock) area with Rust (PLEASE CONTRIBUTE)
MOTANUL

Replies: 11
Views: 3066

PostForum: 931 Tech.   Posted: Sun Mar 15, 2020 6:04 am   Subject: Hood (Lid) Pin (lock) area with Rust (PLEASE CONTRIBUTE)
the hood ia back on the car. It's looking pretty good.

Now I send the seats and door panels to reupholster them.
  Topic: Water pump replacement on a 931
MOTANUL

Replies: 13
Views: 2414

PostForum: 931 Tech.   Posted: Thu Mar 05, 2020 6:38 pm   Subject: Water pump replacement on a 931
I use the supplied gasket (very thin). I put it with great care and attention. It can break very easily. Try putting a little grease and two screws to hold the gasket in the correct position.

I als ...
 
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