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Windshield Wiper Motor Replacement
 
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Pelican Technical Article:

Windshield Wiper Motor Replacement

Jared Fenton

Time:

1 hour1 hr

Tab:

$385

Talent:

***

Tools:

Small Phillips and standard screwdrivers, 8mm, 10mm, 13mm socket

Applicable Models:

Volvo C30 (2007-13)

Parts Required:

Windshield wiper motor

Hot Tip:

Disconnect battery before starting

Performance Gain:

Ability to drive the car in the rain

Complementary Modification:

Replace wiper blades

The wiper motor assembly is one of those things that always seem to fail at the exact moment it starts raining. Replacing the motor is not difficult, but it does take some time and a bit of patience to remove the cowl panel covering it. At this time, the motor is replaced along with the drive assembly.

Make a note of the orientation of the drive arms shown in this article. It is important that the drive arms are in the right position. Additionally, the wiper arms must also be oriented correctly. Once the new motor is installed, check the operation of the wipers and adjust the wiper arms as needed by loosening the 13mm nuts, turning the arms as needed and then tightening the nuts back down.

I also recommend disconnecting the battery to prevent and damage to both the car and yourself. See our article on Battery Replacement for more information.

Begin by opening the hood and removing the small Phillips head screw (green arrow) holding the right side of the cowl panel to the car.
Figure 1

Begin by opening the hood and removing the small Phillips head screw (green arrow) holding the right side of the cowl panel to the car. Once the screw is loose, pull the whole locator pin out of the hole. You'll also want to use a small standard screwdriver to pry up the covers (yellow arrow) on each wiper arm.

Move to the left side of the cowl panel and remove the remaining Phillips head screws (green arrows).
Figure 2

Move to the left side of the cowl panel and remove the remaining Phillips head screws (green arrows). As before, once they are loose, pull the locator pins out of the holes.

Now loosen and remove the two 13mm nuts (green arrow) holding each wiper arm to the wiper drive.
Figure 3

Now loosen and remove the two 13mm nuts (green arrow) holding each wiper arm to the wiper drive. Once the nuts are removed, work the wiper arm back and forth to release it from the drive. It's a good idea to note the orientation of each arm to the windshield when you re-install the arms.

Turn the two Phillips head screws (green arrows) counter-clockwise ninety degrees.
Figure 4

Turn the two Phillips head screws (green arrows) counter-clockwise ninety degrees. There are retaining clips that hold the cowl panel to the underside of the windshield.

Removing the cowl panel can be a bit tough.
Figure 5

Removing the cowl panel can be a bit tough. You'll need to grab the edge of each seal (green arrow) and fold it around the hood hinge while simultaneously pulling the panel forward (yellow arrow). Start with the left side as shown here and then move over to the left side.

Shown here is the wiper motor and drive assembly (green arrow).
Figure 6

Shown here is the wiper motor and drive assembly (green arrow). Take note of the orientation. You'll want the drive arms to look the same as this when installing the new assembly.

Look at the left side of the drive assembly.
Figure 7

Look at the left side of the drive assembly. Loosen and remove the 8mm bolt (green arrow) holding the assembly to the chassis.

Now loosen and remove the three 8mm bolts (green arrows) holding the drive motor to the chassis.
Figure 8

Now loosen and remove the three 8mm bolts (green arrows) holding the drive motor to the chassis.

Pry out the plastic locating pin (green arrow) holding the guide piece (yellow arrow) to the chassis.
Figure 9

Pry out the plastic locating pin (green arrow) holding the guide piece (yellow arrow) to the chassis. Carefully slide the guide piece off the chassis.

Lift the motor assembly up to access the electrical connector.
Figure 10

Lift the motor assembly up to access the electrical connector. Press the tab (green arrow) and pull the connector off the motor.

And here's the finished result with the motor assembly removed.
Figure 11

And here's the finished result with the motor assembly removed. Installing the new assembly is the reverse order of removal. Take care when installing the cowl panel back on. It can be a little difficult to get everything lined up correctly.


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