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Air Filter Replacement
 
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Pelican Technical Article:

Air Filter Replacement

Jared Fenton

Time:

1 hour1 hr

Tab:

$20

Talent:

**

Tools:

T30 Torx wrench

Applicable Models:

Porsche 955 Cayenne S (2003-08)
Porsche 955 Cayenne Turbo (2003-08)

Parts Required:

Air Filters

Hot Tip:

Clean out the air filter housings

Performance Gain:

Better running engine

Complementary Modification:

Change Oil

Every 10,000 miles or so, you should change the air filters in your Cayenne. The air filters protect the fuel injection system and the air intake system from dust and debris that can be sucked in under normal operation.

On the Cayenne, the two air filters are located on either side of the engine compartment. To access the filters, first remove the engine compartment covers. Please see our Engine Cover Removal article for more info.

To access the filter, simply release the spring clips and pull up on the covers the filters are right underneath. Take a look inside the filter housing- there are usually some leaves or dirt that found their way in there. Clean the housing out before installing the new filter. A shop vacuum often works well for this.

For the Cayenne there are basically two different types of air filters: the stock paper or cloth air filters and aftermarket units. The aftermarket filters utilize an oil-soaked fabric to achieve freer airflow. The bottleneck for airflow in the Cayenne engine is not necessarily the air filter, and aftermarket filters will not add significant horsepower to your engine. The primary advantage of the aftermarket units is that you usually only have to purchase one, and it will last the life of your car.

The downside to using these aftermarket filters is that they often do not filter as well as the factory units. In addition, the use of aftermarket filters may cause excess dirt to accumulate n the mass airflow sensor and lead to its premature failure. The bottom line is that you need to carefully research any aftermarket filter before you install it into your car, and carefully clean and maintain it thereafter. I personally prefer to use the stock OEM cloth/paper filters to ensure maximum filtering and protection.  Whichever one you choose, make sure that it filters as well as or better than the original Porsche specifications.

Shown here are the locations of the two air filters on the Porsche Cayenne (green arrows).
Figure 1

Shown here are the locations of the two air filters on the Porsche Cayenne (green arrows). Replacement of the filters is an easy project for the first time DIYer.

In this article, we will focus on the right-side (passenger side) filter; however, the left side is the same.
Figure 2

In this article, we will focus on the right-side (passenger side) filter; however, the left side is the same. Begin by moving the coolant line (blue arrow) out from under the mounting tab. Then locate the two plastic bolts that hold the intake tube to the air filter housing (green arrows). Rotate the two plastic bolts until the tabs on the housing and the bolts line up. Then pull the bolts up and out of the housing. Now undo the metal clips (yellow arrows) holding the housing cover on. At this point remove the cover.

Shown here is a close-up of the tabs on both the plastic bolts (green arrow) and the housing (yellow arrow).
Figure 3

Shown here is a close-up of the tabs on both the plastic bolts (green arrow) and the housing (yellow arrow).

Note the air connection on the rear of the air filter housing cover (green arrow).
Figure 4

Note the air connection on the rear of the air filter housing cover (green arrow). On Turbo models, there will be an air line connected to this port. If you have a Turbo, you may find it easier to move the cover towards the engine and leave the air hose connected.

Once the cover is removed (or moved aside), remove the old filter (green arrow) from the housing.
Figure 5

Once the cover is removed (or moved aside), remove the old filter (green arrow) from the housing.

It's a good idea to wipe down the inside of the filter housing (green arrow) to clean out any dirt or debris that may be inside.
Figure 6

It's a good idea to wipe down the inside of the filter housing (green arrow) to clean out any dirt or debris that may be inside. Once clean, place the new filter in the housing.

Shown here are the mounting tabs at the bottom of the filter housing (green arrows).
Figure 7

Shown here are the mounting tabs at the bottom of the filter housing (green arrows). It is important to make sure that the tabs on the filter cover fit into these tabs while fitting the cover back on.

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Comments and Suggestions:
the flyin' scotsman Comments: My '09 GTS also has the connector on the passenger side. Removing the hose ensures the air filter cover can be fully removed, the filter replaced and cover wiped clean.
February 15, 2016
  Followup from the Pelican Staff: Thanks for the additional info and feedback. We appreciate it.
- Nick at Pelican Parts
 
Mycaye Comments: Great insight thanks for the step by step walk through.
November 7, 2015
  Followup from the Pelican Staff: Thanks for the feedback. Glad we could help.
- Nick at Pelican Parts
 
jniquet Comments: For Turbo owners, there is a connector at the back of the cover on the passenger side that makes this change a bit challenging. I would suggest before you attempt to remove it you use a small screw driver to gently pry off the green clip. Once you do that you need to push the flange in and pull the hose away from the cover at the same time. I used the same screw driver to push the flange in. This will make removing the cover easier. Don't drop that green clip though, you need it to reassemble the cover.
May 31, 2015
  Followup from the Pelican Staff: Thanks for sharing your installation process and experience. These type of comments add so much to the Pelican tech community.
- Nick at Pelican Parts
 
jniquet Comments: I broke the nib that connects the cover to the air suspension compressor hose. Turns out I should have popped it off with that little green connector. What is the part number for a passenger side air filter cover?
May 30, 2015
  Followup from the Pelican Staff: I can't locate the part number, but our parts specialists will be able to.

Give our parts specialists a call at 1-888-280-7799. They can figure out what part or repair kit you need.
- Nick at Pelican Parts
 
victor Comments: I have a turbo version and seems it is difficult to get the cover out due to the green connector, how to disconnect it?
May 30, 2015
  Followup from the Pelican Staff: See jniquet's tip here:

For Turbo owners, there is a connector at the back of the cover on the passenger side that makes this change a bit challenging. I would suggest before you attempt to remove it you use a small screw driver to gently pry off the green clip. Once you do that you need to push the flange in and pull the hose away from the cover at the same time. I used the same screw driver to push the flange in. This will make removing the cover easier. Don't drop that green clip though, you need it to reassemble the cover. - Nick at Pelican Parts
 
Stacyc Comments: Hi there the connector for the port on the air box on my turbo is busted. Do you know the part no
May 8, 2015
  Followup from the Pelican Staff: I think you are talking about the intake pipe for the air suspension compressor, that connector is green and is part number 95535806400 but appears to be no longer available from Porsche. - Casey at Pelican Parts  
Carsen67 Comments: Thanks, this was very helpful!
August 9, 2014
  Followup from the Pelican Staff: Thanks for the feedback. Glad we could help.
- Nick at Pelican Parts
 
tcooper Comments: add a pair of pliers to the tool list and you're good to go with this one. Piece of cake.
July 12, 2014
  Followup from the Pelican Staff: Will do. Thanks for the additional info. We appreciate it.
- Nick at Pelican Parts
 

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