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Wiper Motor Replacement
 
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Pelican Technical Article:

Wiper Motor Replacement

Nick Czerula

Time:

3 hours3 hrs

Tab:

$400

Talent:

*****

Tools:

T25, 10, 13mm, flathead screwdriver, paint or masking tape

Applicable Models:

Volvo V70 (1998-01)
Volvo V70 2.4T (2001)
Volvo V70 AWD (1998-99)
Volvo V70 GLT (1998-00)
Volvo V70 GLT SE (2000)
Volvo V70 R (1998)
Volvo V70 R AWD (1999-00)
Volvo V70 T5 (1998-01)
Volvo V70 X/C (2001)
Volvo V70 X/C AWD (1998-00)
Volvo V70 X/C AWD SE (2000)

Parts Required:

Wiper motor, wiper motor assembly

Hot Tip:

Use paint to mark location of wiper arms before removing

Performance Gain:

Repair faulty wiper motor or wiper motor linkage

Complementary Modification:

Replace wiper blades when servicing motor

The windshield wiper motor is a permanent magnet electric motor that runs the windshield wipers via a linkage (transmission). The motor speed is controlled via a stalk with input from the driver through a control module. The motor drives linkages that are connected to a pivot that turns the wiper arms to clear the windshield.

This article will cover replacing the windshield wiper motor and linkage on Volvo V70 models. The wiper motor can be replaced in a few hours with minor disassembly of the wiper cowl. The wiper motor itself can fail, creating a situation where the wipers do not work or do not properly park. If the wipers do not work at all, check that the wiper pivots move freely and are not bound with corrosion. To do this, follow the steps noted below. If you are having an issue with wiper blade chatter or streaking, try replacing your wiper blades.

Remember that your car may have been serviced before and had parts replaced with different size fasteners used in the replacement. The sizes of the nuts and bolts we give may be different from what you have so be prepared with different size sockets and wrenches.

Protect your eyes, hands and body from fluids, dust and debris while working on your vehicle. If you're working with the electrical system, disconnect the battery before beginning. Always catch fluids in appropriate containers and properly dispose of any fluid waste. Recycle parts, packaging and fluids when possible. Never work on your vehicle if you feel the task is beyond your ability.

Our vehicle may vary slightly from yours as models do change and evolve, as they grow older. If something seems different, let us know and share your info to help other users. Do you have questions or want to add to the article? Leave a comment below. When leaving a comment, please leave your vehicle information.

Disconnect the negative battery cable. See our tech article on battery replacing and reconnecting notes.

Use paint to mark the location of the wiper arms before removing them.
Figure 1

Use paint to mark the location of the wiper arms before removing them. Mark the distance between the cowl and the wiper blade (green arrows). Working at the wiper arm pivots, remove both plastic caps (red arrows) by pulling them straight up.

If the plastic caps (red arrow) will not come off easily, lever them off using a flathead screwdriver.
Figure 2

If the plastic caps (red arrow) will not come off easily, lever them off using a flathead screwdriver.

Next, remove the two 13mm wiper arm nuts (red arrow).
Figure 3

Next, remove the two 13mm wiper arm nuts (red arrow). This photo shows the left side.

Using a ratchet with a 13mm socket, remove the two 13mm wiper arm nuts (red arrows).
Figure 4

Using a ratchet with a 13mm socket, remove the two 13mm wiper arm nuts (red arrows).

Once the nuts are removed, wiggle the wiper arms back and forth gently and lift (red arrow).
Figure 5

Once the nuts are removed, wiggle the wiper arms back and forth gently and lift (red arrow). They should pop off the pivot. If they are stuck, use a battery terminal puller to remove them.

Remove the cowl seal (red arrow) by pulling it straight off the cowl.
Figure 6

Remove the cowl seal (red arrow) by pulling it straight off the cowl.

Working at the cowl, remove the five T25 Torx fasteners (red arrows).
Figure 7

Working at the cowl, remove the five T25 Torx fasteners (red arrows).

Lift the cowl up and detach the drain hoses at each side.
Figure 8

Lift the cowl up and detach the drain hoses at each side. The left side is shown (red arrow). The right side is similar.

Slide the cowl toward the engine as you lift it to remove it (red arrow).
Figure 9

Slide the cowl toward the engine as you lift it to remove it (red arrow).

Locate the wiper motor on the left side of the cowl.
Figure 10

Locate the wiper motor on the left side of the cowl. Then disconnect the electrical connector by pressing the release tab (red arrow) and pulling it straight off the motor.

Next you have to remove the two 10mm fasteners.
Figure 11

Next you have to remove the two 10mm fasteners. The red arrow points to the easy one. The green arrow points to the covered fastener. The harness will have to be moved out of the way to access it.

Lift the wiring harness up (green arrow).
Figure 12

Lift the wiring harness up (green arrow). Then remove the wiring harness mount (red arrow) by pulling it off the cowl.

Remove the two foam seals from the wiper pivots.
Figure 13

Remove the two foam seals from the wiper pivots. The red arrow shows the right side pivot. The left pivot is similar.

Lift the wiper assembly up and slide it out of the cowl to remove it.
Figure 14

Lift the wiper assembly up and slide it out of the cowl to remove it. Lift the left side up as you slide the right side out of the rubber mount.

Place the wiper transmission on a workbench.
Figure 15

Place the wiper transmission on a workbench. Then remove the lower linkage from the wiper motor pivot. I like to use a trim panel tool to lever it off the ball joint (red arrow). Do this for both wiper linkages. If you are reusing the wiper arm pivot assembly it is a good idea to inspect the wiper arm pivots. Once the linkage assembly has been removed, check that both wiper pivots move freely and without resistance. You can do this by grabbing the linkage and moving it back and forth.

Next, remove the three 10mm wiper motor fasteners (red arrows).
Figure 16

Next, remove the three 10mm wiper motor fasteners (red arrows). Then separate the wiper motor from the wiper assembly.

Install the new wiper motor on the linkage assembly.
Figure 17

Install the new wiper motor on the linkage assembly. Then use channel lock pliers to snap the ball sockets (red arrows) onto the ball joint. Be sure this engages properly. You don't want to find out later it wasn't securely installed when you reassemble everything. Then install the assembly into the vehicle. Install all fasteners finger tight in the reverse order of removal. Then tighten. This ensures proper assembly and alignment. Connect the battery and turn the wipers ON then OFF. This will PARK the wipers. Next, install the cowl support and trim. Install the wiper arms. Then reassemble the remaining items in the reverse order of removal. Once complete, check the wiper operation.

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