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 > Technical Articles: / Porsche 911 (1965-1989) >
Wiper Arm Reversal
 
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Pelican Technical Article:

Wiper Arm Reversal

Tom Sharpes

Bob Tindel

Time:

3 hours3 hrs

Tab:

$0

Talent:

***

Tools:

Workbench vise, workbench, flathead screwdriver, metric socket and metric wrench set

Applicable Models:

Porsche 911 (1965-89)
Porsche 912 (1965-69)
Porsche 930 Turbo (1976-89)

Performance Gain:

Better appearance and better cleaning of the windscreen

Complementary Modification:

Replace or repair your winder washer pump
Editor's Note:  Although this article is written for a 911, the technique is very similar to the one used to reverse the 914s wiper location.

After listening to the pros and cons of reversing the wipers I decided to do mine only because I like the way they look and the clear view I have of the road. The following is a short pictorial of this project.

[Click on Image to Enlarge]



Before After Drivers View

Pull back the trunk carpet and remove the 4 bolts that secure the panel in front of the instruments.

Remove the hoses on the blower unit - you don't have to remove the control cables.

Move the blower unit to the side so you can access the under dash area and the wiper motor.

Locate the rotating arm f the wiper unit inside the protective U shaped bracket above the motor gear box.

Remove the nut and  pry the arm off of the shaft.

Rotate the wipers to the passenger side and reattach the arm to the

You are now ready to reassemble everything - in reverse order (so the saying goes). When you are ready to install the wipers you must swap the arms. The "bent" arm needs to be bent the opposite way. This is best performed in a vise and done very slowly. After bending the arm check in on the car and ensure the arms clear each other during operation.

Many thanks to the post on  Terry's 911 Web Site  by Bob Tindel (bob@pelicanparts.com). It makes it easier when you follow in someone else's footsteps.

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Comments and Suggestions:
buckwheat Comments: what is the easiest way to remove the nut that holds the wiper motor shaft to the linkage ,and what size is it. iam working on a 68 912. thanks bill
December 27, 2013
  Followup from the Pelican Staff: I use an open end wrench. See attached photo for location of nut. - Nick at Pelican Parts
WKBergman Comments: Why are the right hand drive versions not reversed?
Well, if the Limeys insist on driving on the wrong side, they can darn well go through the joyful exercise themselves of switching the position.
November 25, 2013
  Followup from the Pelican Staff: They are positioned one way for all version of the vehicle. - Nick at Pelican Parts  
Manster Comments: I haven't done this conversion yet but am getting tired of always having to run the wipers then shut off the key as they are in the middle of the windshield to keep the driver's blade from developing a curve that keeps it from wiping in the middle of it. I may try it.
September 26, 2013
  Followup from the Pelican Staff: Let us know how it works out. - Nick at Pelican Parts  
Josephmclellan Comments: Some other things to add for 914 owners, Keep in mind that you have to pull the fuel tank and the air box. I found it easy to drain the tank using the hose attached to the pump accessible from the panel by the spare tire well. I initially needed to re-lube the wiper linkage and Haynes failed to mention the 75 has rubber mount holding the bracket in place. If the nut is seized on the bracket you might have to remove the steering wheel and instrument panel to get to the other end of the rubber mount. reconnecting the speedo cable was a struggle. I had to separate it from the rest of the cluster on re-installation....
April 21, 2013
  Followup from the Pelican Staff: Thanks for the additional Info. We appreciate it.
- Nick at Pelican Parts
 
kcscarrera Comments: If it is racing heritage. Why are the right hand drive versions not reversed? It is a production matter not racing heritage that has the wipers in front of the driver. If it were the right hand drive versions would be reversed and an arm available to do this conversion
February 4, 2011
  Followup from the Pelican Staff: That's a good question. I think Porsche has traditionally kept them on the left side. Although they block more of the driver's view when they are off, they also clear more of the windscreen from this position. Perhaps someone else on the forums can comment? - Wayne at Pelican Parts  
wkbergman Comments: No No No!
The reason the vipers are zere is ze same reason that key is on the left: racing heritage. Don't mess with heritage.
The wipers used to be in front of the passenger. Porsche changed because with the first wipe, it put all the water in front of the driver. Porsche was told by rallye drivers that the driver wants to see, and quickly.
August 4, 2010
  Followup from the Pelican Staff: Thanks for the Info. We appreciate it. - Nick at Pelican Parts  
Chip Lynch Comments: Bob, when you say "bent the other way" you mean bending the arm from the direction it was bent to the opposite direction? Did you heat the arm first?
January 5, 2010
  Followup from the Pelican Staff: When you are ready to install the wipers you must swap the arms. The "bent" arm needs to be bent the opposite way. This is best performed in a vise and done very slowly. After bending the arm check in on the car and ensure the arms clear each other during operation. - Nick at Pelican Parts  

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