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Air Filter Housing Removal
 
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Pelican Technical Article:

Air Filter Housing Removal

Jared Fenton

Time:

1 hour1 hr

Tab:

$0

Talent:

***

Tools:

15mm deep socket, floor jack

Applicable Models:

Volvo C30 T5 (2008-13)
Volvo C30 T5 R-Design (2008-13)

Hot Tip:

Always disconnect the battery before unplugging the DME

Performance Gain:

Access to components behind the air filter housing

Complementary Modification:

Replace starter

Certain jobs on the Volvo C30 require you to remove the air filter housing, such as replacing the starter or removing the intake plenum. In this article I'll go over the steps involved with removing it.

Keep in mind that removing the housing requires you to undo the left side engine mount and jack up the engine for clearance. Read the instructions carefully. You could potentially damage both the engine and yourself.

You'll also need to remove the upper intake tube and the MAF sensor. See our articles on MAF Sensor Replacement and Spark Plug and Coil Pack Replacement for more information.

You will also be unplugging the DME from the car. It is important that you disconnect the negative lead on the battery. See our article on Battery Replacement for more info.

Shown here is the air filter housing on the Volvo C30 with the MAF sensor already removed.
Figure 1

Shown here is the air filter housing on the Volvo C30 with the MAF sensor already removed.

Pull the protective cover off the DME at the right side of the housing.
Figure 2

Pull the protective cover off the DME at the right side of the housing.

Check that the battery is disconnected and press the tab (green arrow) on the electrical connector leading to the DME.
Figure 3

Check that the battery is disconnected and press the tab (green arrow) on the electrical connector leading to the DME. Pull the red handle down to eject the connector from the DME.

Note the feet on the air filter housing (green arrow).
Figure 4

Note the "feet" on the air filter housing (green arrow). These fit into rubber grommets (yellow arrow) mounted on the engine. There are two more of these which are not readily visible with the housing in place. The idea here is to pull up on the housing until the feet pop out of the grommets.

Now carefully pull the DME side of the housing upward and disconnect the other harness leading into the DME (green arrow).
Figure 5

Now carefully pull the DME side of the housing upward and disconnect the other harness leading into the DME (green arrow).

Now comes the tricky part.
Figure 6

Now comes the tricky part. There isn't enough room for the housing to be removed. You need to place a floor jack under the engine sump and support it. Place a block of wood between the jack and the sump. Note that our jack has a rubber pad in the center not easily seen in this photo.

Lift the coolant expansion tank up and off the mounting tabs and locate the two 15mm bolts (green arrows) holding the engine to the engine mount.
Figure 7

Lift the coolant expansion tank up and off the mounting tabs and locate the two 15mm bolts (green arrows) holding the engine to the engine mount. Loosen and remove these bolts. The idea here is to jack the engine up and to the rear so that the air filter housing can be maneuvered out of the engine bay. Re-installing the housing is the opposite of removal.

And here's the final result with the housing removed.
Figure 8

And here's the final result with the housing removed. You can now access things like the starter, knock sensor and thermostat.

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Comments and Suggestions:
jazzmaster Comments: Figure 5 is not straight forward. It is very difficult to get the housing out. Not at easy as just lifting the housing out. Any suggestions or similar problems?
June 12, 2015
  Followup from the Pelican Staff: I believe there is a special tools used to make releasing it easier.

The engine can be supported and raised a few inches, allowing more room for the housing to come out. Volvo mentions using an engine support bar and jack. - Nick at Pelican Parts
 
flo_master Comments: Believe there's a mix up in your directions here. Looks like another project was mized in with this one. It goes Fig. 1-4 then jumps to 7-10 with unrelated pictures
April 11, 2015
  Followup from the Pelican Staff: Thanks for the note. I will have someone fix it. - Nick at Pelican Parts  

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