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Rear Wiper Arm and Motor Replacement
 
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Pelican Technical Article:

Rear Wiper Arm and Motor Replacement

Nick Czerula

Time:

2 hours2 hrs

Tab:

$200

Talent:

*****

Tools:

10, 13mm socket, T30 Torx

Applicable Models:

R56 MINI Cooper Hatchback (2007-11)
R56 MINI Cooper S Hatchback (2007-11)

Parts Required:

Wiper motor assembly

Hot Tip:

Use paint or crayon to mark location of wiper arm before removing

Performance Gain:

Repair faulty wiper blades / wiper motor or wiper motor linkage

Complementary Modification:

Replace wiper blades when servicing motor

The rear window wiper motor is a permanent magnet electric motor that runs the tail gate wiper. The motor speed is controlled via a switch with input from the driver through the footwell control module and a relay. The motor drives a pivot that moves the wiper arms to clear the rear window.

This article will cover replacing the rear window (tailgate) wiper arm and motor on MINI r56 models. The wiper motor can be replaced in a few hours with minor disassembly of the tailgate. The wiper motor itself can fail, creating a situation where the wipers do not work or do not properly park. 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. 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 or crayon to mark location of wiper arm before removing (yellow arrow).
Figure 1

Use paint or crayon to mark location of wiper arm before removing (yellow arrow).

Working at the wiper arm pivot, open the plastic cap.
Figure 2

Working at the wiper arm pivot, open the plastic cap.

Next, remove the 13mm wiper arm nut (green arrow).
Figure 3

Next, remove the 13mm wiper arm nut (green arrow). Once the nut is removed, wiggle the wiper arm back and forth gently and lift it off. It should pop off the pivot. If it is stuck, use a battery terminal puller to remove the arm. Note the corrosion on my subject vehicle (yellow arrow). This is where the battery terminal puller comes into play. It will apply just enough pressure in the right direction to pop the arm free. Be careful not to damage the washer jet (blue arrow) when removing. If you are replacing he motor it is part of it and matters less.

Remove the tailgate trim panel.
Figure 4

Remove the tailgate trim panel. Working at the tailgate trim panel, remove the two T30 Torx screws (green arrows).

Then pull the trim panel down to detach the trim clips.
Figure 5

Then pull the trim panel down to detach the trim clips. If any of the trim clips remain in the tailgate, remove them using a trim panel tool (inset).

Working at the wiper motor, remove the washer fluid hose by pulling it straight off (green arrow).
Figure 6

Working at the wiper motor, remove the washer fluid hose by pulling it straight off (green arrow). Then disconnect the wiper motor electrical connector by releasing the tab (blue arrow) and pulling it straight out.

Then remove the three 10mm motor fasteners (green arrows).
Figure 7

Then remove the three 10mm motor fasteners (green arrows).

Remove the motor from the tailgate.
Figure 8

Remove the motor from the tailgate. Reverse the steps to install the new wiper motor. Be sure that the rubber grommet is in good shape when installing the new motor (green arrow). Connect the battery and turn the wipers ON then OFF. This will PARK the wipers. Install the wiper arm. Align your marks and install the nut. Install the trim cap. Then reassemble the remaining items in the reverse order of removal. Once complete, check the wiper operation.


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Comments and Suggestions:
Reildeal Comments: Thank you for your input, but the part needed passes thru the wiper motor and also sprays the washer fluid. Not really a "bulk" material item.
February 15, 2017
  Followup from the Pelican Staff: Nick was referring to the hose being a bulk item that you can purchase by the foot at any local auto parts store. Are you saying that your squirter nozzle is missing as well? If possible please send me a photo of where the squirter should go on the wiper arm assembly. - Casey at Pelican Parts  
Reildeal Comments: I have the same question as Bob 12/13/16had in regard to the rear wiper washer tubing thru the wiper motor. I have tried to locate via Realoem and various other suppliers but those parts don't seem to be available.
December 28, 2016
  Followup from the Pelican Staff: You will have to buy bulk line and cut it to length then install.


Give The Pelican Parts parts specialists a call at 1-888-280-7799. They can figure out what part or repair kit you need.
- Nick at Pelican Parts
 
Bob Comments: 2002 Mini Cooper S: Can I purchase the pipe that feeds the windshield wiper fluid through the rear winshield wiper assembly and the windshield wiper secures to it with the nut? Mine was clogged and after cleaning it out it leaks, I believe that corrosion ate away at the ball metal where the sprayer connects to it.
December 13, 2016
  Followup from the Pelican Staff: It should be available. Give The Pelican Parts parts specialists a call at 1-888-280-7799. They can figure out what part or repair kit you need.
- Nick at Pelican Parts
 
alan Comments: I hesitate to just pull the trim panel after removing the two torx bolts which were quite easy. this panel is VERY firmly attached.
Special tool needed to avoid damage to panel? Info to obtain if needed?
July 9, 2016
  Followup from the Pelican Staff: Any plastic trim panel tool should do it. - Nick at Pelican Parts  

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Page last updated: Sun 5/28/2017 02:58:47 AM