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Engine Air Filter Replacement
 
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Pelican Technical Article:

Engine Air Filter Replacement

Steve Vernon

Time:

1 hour1 hr

Tab:

$35 to $100

Talent:

*

Tools:

T30 Torx, trim removal tool, Philips head screwdriver

Applicable Models:

Porsche 987 Cayman (2007-08)
Porsche 987 Cayman S (2006-08)

Parts Required:

Filter

Hot Tip:

Clean the airbox before installing the new filter

Performance Gain:

Cleaner air to engine

Complementary Modification:

Oil and filter

Replacing the engine air filter along with changing the oil and oil filter at the regularly scheduled maintenance times is one of the most important things you can do to protect the engine and prolong the life of your vehicle. The air filter protects the air intake system, valves, pistons, cylinder walls, and engine oil from dust and debris that can be sucked in under normal operation. Replacement is a snap and should take well under an hour.

There are as many thoughts and discussions about air filters as there are about engine oil. While many people swear by the "life time" filters that you can wash and oil, Pelican recommends the paper type of filters that come from the factory. Oiled filters can affect the MAF sensor. Replacing a MAF sensor is a lot more expensive than buying new air filters. Also claims of increased horsepower by these types of filters are usually just marketing hype. Play it safe, use the factory type filter and change it often especially if you live in a dry dusty area or drive on dirt roads.

You will be working with some interior panels. Make sure you own and use a set of trim removal tools. These hard plastic tools are perfect for working with trim pieces. Pelican sells them. Consider ordering a set as they will pay for themselves the first time you do NOT have to replace a trim piece because you scratched it using a screwdriver.

On the rear deck lid there is a carpeted panel (red arrow) that has sound absorbing underneath and helps hide the engine cover.
Figure 1

On the rear deck lid there is a carpeted panel (red arrow) that has sound absorbing underneath and helps hide the engine cover. Open the hatch to remove the panel.

Use your trim removal tools and gently pry the carpeted panel away from the trim.
Figure 2

Use your trim removal tools and gently pry the carpeted panel away from the trim.

Once you get one side lose you can lift the panel up and out.
Figure 3

Once you get one side lose you can lift the panel up and out. Even with a cage in our project car the panel comes out easily.

At this point you can access the metal engine cover and remove it.
Figure 4

At this point you can access the metal engine cover and remove it. Use a T30 Torx and remove the four bolts holding the cover in place (red arrows).

With the bolts removed you can remove the cover from the vehicle.
Figure 5

With the bolts removed you can remove the cover from the vehicle.

Use a Philips head screwdriver and remove the two plastic screws holding the airbox lid in place (red arrows).
Figure 6

Use a Philips head screwdriver and remove the two plastic screws holding the airbox lid in place (red arrows).

Lift the lid off and remove the Philips head screw just under the cover (yellow arrow).
Figure 7

Lift the lid off and remove the Philips head screw just under the cover (yellow arrow). Slide the air filter to the left and then lift it up and out from the airbox (red arrow).

Wipe the airbox out, there is no point putting a clean filter into a dirty airbox.
Figure 8

Wipe the airbox out, there is no point putting a clean filter into a dirty airbox. Some filters will not have the plastic base on them so do not throw yours out until you are sure the new one has it. If it does not simply use a Philips head screwdriver, remove the single screw (red arrow) and transfer the base to the new filter. Installation is the reverse of removal.

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Page last updated: Wed 5/24/2017 03:18:10 AM