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Pelican Technical Article:

Air Filter Replacement

Steve Vernon

Time:

30 minutes30 mins

Tab:

$12 to $60

Talent:

*

Tools:

Philips head screw driver, T20 Torx, Pliers, rags

Applicable Models:

VW GTI (2006-09)

Parts Required:

New air filter

Hot Tip:

Wipe down the inside of the airbox

Performance Gain:

If the old filter is really dirty, you'll pick up some power

Complementary Modification:

Change cabin air filter

Every 10,000 miles or so, you should change the engine air filter in your Volkswagen GTI The air filter protect the air intake system, valves, pistons, cylinder walls, and engine oil from dust and debris that can be sucked in under normal operation. Unfortunately the early GTI MkVs have what is probably the most over engineered air filter system I have ever seen on any car. What should be a simple procedure is really a pain and one reasons most people change to an after market air filtering system.

Begin by opening the hood and having a look at the engine. The air filter is located in the air filter box on top of the engine bay.

Begin by opening the hood and having a look at the engine.
Figure 1

Begin by opening the hood and having a look at the engine. The air filter is located in the air filter box on top of the engine bay (red arrow).

Remove the two clips from the turbo input tube (red arrows).
Figure 2

Remove the two clips from the turbo input tube (red arrows).

Separate the MAF wiring connector (red arrow) from the air box housing.
Figure 3

Separate the MAF wiring connector (red arrow) from the air box housing.

At the front left side of the engine compartment is the air intake.
Figure 4

At the front left side of the engine compartment is the air intake. There are two T20 Torx screws holding this to the airbox cover, (red arrow, one shown) remove these. Note our project car was missing the upper part of the housing.

There are four rubber grommets under the air box/cover holding it in place.
Figure 5

There are four rubber grommets under the air box/cover holding it in place. Grasp the lid by the four corners and wiggle and pull it up.

Some of the grommets will come off with the airbox (red arrows and some may stay on (yellow arrow).
Figure 6

Some of the grommets will come off with the airbox (red arrows and some may stay on (yellow arrow).

Use a large set of pliers or channel locks and remove the clip holding the air intake to the housing (red arrow).
Figure 7

Use a large set of pliers or channel locks and remove the clip holding the air intake to the housing (red arrow).

Flip the housing over and remove the eight Philips head screws (red arrows).
Figure 8

Flip the housing over and remove the eight Philips head screws (red arrows).

Separate the housings and remove the old filter (red arrow).
Figure 9

Separate the housings and remove the old filter (red arrow). Clean the housing of any dirt or debris you find in it and install the new filter. Installation is the reverse of removal.


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Page last updated: Thu 12/14/2017 02:37:58 AM