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Oil Tube Bellows Replacement
 
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Pelican Technical Article:

Oil Tube Bellows Replacement

Time:

15 minutes15 mins

Tab:

$30

Talent:

*

Tools:

Hands

Applicable Models:

Porsche 993 Carrera (1995-98)
Porsche 993 Carrera 4 (1995-98)
Porsche 993 Carrera 4S (1996-98)
Porsche 993 Carrera S (1998)
Porsche 993 Targa (1996-98)
Porsche 993 Turbo (1996-97)

Parts Required:

Bellows

Hot Tip:

If you don't change this make sure to add oil while no one is around

Performance Gain:

No humiliation

Complementary Modification:

Oil and filter change

For over three decades Porsche has been putting the oil filler tube just slightly behind the rear quarter panel lip. While this can be a little frustrating somehow generations of Porsche owners have made do. While this placement is awkward and has been known to cause a little spillage of oil when topping up the tank roadside or at a gas station most Porsche owners have discovered an ingenious solution called a funnel. There are examples of Roman ceramic funnels dating back to 1st-3rd Century AD and while it is not handy to carry a funnel with you it will work when changing your oil at home or you can place a rag under the lip while filling roadside.

Thankfully after more than thirty years of putting up with this travesty the engineers at Porsche decided they would find a solution for a problem that doesn't exist and developed a collapsible bellows to fit inside the oil fill tube; therefor eliminating the reason for you pay any attention when adding oil to your car. Maybe the oil engineers were upset that the suspension, body and engine engineers where having all the fun; I don't know, maybe they just were bored. Anyway they designed a collapsible filling bellows that sits inside the tube and will pretty much disintegrate over time so when you go to pull it out it will have so many rips that if you try to use it you might as well pour the oil directly onto the top of your motor and garage floor. Oh and get this you can't really fill the tube with the bellow compressed in it!

The only thing worse than not performing the recommended service on your 993 is leaving a torn filler bellows in the neck. Unless you plan on filling your oil in total darkness or with no one within thirty yards that might see it, you either need to remove it or replace it. If people see this in your expensive finely crafted German automobile they will mock you, and God forbid you take the car in for service; the mechanics may refuse to work on the vehicle until you remove it. Coffee and car events have separate parking for 993's with torn bellows.

Removing or replacing the bellows is quick, cheap and easy, do it today if you have a torn one.

So the oil filler opening is partially under the rear quarter panel lip and requires you to pay attention to adding oil to the tank (red arrow).
Figure 1

So the oil filler opening is partially under the rear quarter panel lip and requires you to pay attention to adding oil to the tank (red arrow).

Figure 2

Porsche designs a bellows that fits into the tube to move the opening away from the lip (red arrow)

This is what happens to every bellow over time, and it is embarrassing.
Figure 3

This is what happens to every bellow over time, and it is embarrassing.

To remove and replace it simply reach down the bellows are grasping it at the lowest point and pull it out.
Figure 4

To remove and replace it simply reach down the bellows are grasping it at the lowest point and pull it out. Installation is the reverse of removal.

Or you could use a funnel.
Figure 5

Or you could use a funnel.

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