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Seicento rear wiper motor fix
Published by andyakashrek
26-01-2007
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Seicento rear wiper motor fix

  • OK, my wifes shumi had the usual rear wiper problem when bought, it didn't work. After doing a search of the forum and seeing loads of others with the same prob and the usual advice of replacing it I thought what the hell, it's knackered so i cant make it any worse by trying to fix it.
  • Firstly check that you have power at the motor, to check there isn't a problem anywhere else.
  • To do this the tailgate has to be shut so remove parcel shelf and test from the back seat.
Got power?
  • Right remove 10mm nut which holds wiper arm on, its splined so may be stiff to remove. Inside tailgate remove cover containing stop lamp. Undo 3 bolts and motor will come away.
  • On the motor is a plastic tube which the shaft runs in, at the end nearest the wiper arm splines use a small jewellers screwdriver to scrape away crud to expose a circlip and washer. Remove circlip, this can be fiddly. Once free remove washer. now on back of motor housing is a platic/nylon plate with 4 bolts and a small cover.

    • Undo bolts and remove plate. Replace wiper arm nut so that it protects the threads and tap, hit or use a press to try and get shaft out of plastic sleeve. If you are lucky it will come out along with associated mechanism. If not brute force may be needed, the motor is no good anyway so what have you got to lose? A metal bush may come out of plastic tube still attached to shaft. Ok if you have got this far the corrosion on shaft will be plain to see, use wet and dry to remove. Plastic tube comes out easily and only goes back one way so take it out and use to check that the shaft now turns easily when inserted. Now is the time to reconnect motor to multi plug to see if motor works, it does? now for refit. Put plastic tube back into motor housing, Make sure gear goes back into housing contact side down.
    If metal bush came out of tube slip it onto the wiper shaft and then insert shaft into plastic tube. Slip actuating mechanism pin into gear and repack with grease. Replace cover, it may not fit so remove little plug refit cover and refit plastic plug and spring. Refit washer and circlip and bolt motor back onto car. Reconnect power and check shaft turns. Refit wiper arm and adjust on splines for best sweep and park position, do up nut.
  • It's easir to do than it sounds, once cover is off gears and mechanism is self explanotory. Might be an idea to coat shaft with copperslip to try and prevent problem recurring.
Time taken 1 to 1 and 1/2 hours.
Thanks TipoAlba, Hypotonic, sipapito99 thanked for this post
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Old 12-10-2007   #1
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Re: Seicento rear wiper motor fix

An excellent guide, saved me a trip to Fiat today. Thankyou.
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Old 04-01-2008   #2
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Re: Seicento rear wiper motor fix

This looks like an excellent guide but for one small problem, how do you know which terminal is which without the aid of a wiring diagram? My wife's Seicento has this problem but without a wiring diagram I don't know which terminal to look for. Any help would be appreciated.
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Old 03-10-2008   #3
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Re: Seicento rear wiper motor fix

Just used this hot tip...excellent results...just saved me the price of a new rear wiper motor!! Thanks! Highly recommended advice
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Old 06-10-2008   #4
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Re: Seicento rear wiper motor fix

Quote Originally Posted by rotate243 View Post
Just used this hot tip...excellent results...just saved me the price of a new rear wiper motor!! Thanks! Highly recommended advice
Then you obviously know which terminal is which?? Pray tell!!
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Old 19-10-2008   #5
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Re: Seicento rear wiper motor fix

Quote Originally Posted by Python15 View Post
Then you obviously know which terminal is which?? Pray tell!!
I am not 100% sure what it is you are asking here...Feel free to elaborate and I will see if I can help. I followed the guide as per and cannot think what you mean about wiring terminals!? The only things I disconnected were block connectors.
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Old 20-10-2008   #6
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Re: Seicento rear wiper motor fix

Quote Quote:
To do this the tailgate has to be shut so remove parcel shelf and test from the back seat.
Test what? The tailgate terminals? I've no idea what he's testing!
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Old 21-01-2009   #7
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Re: Seicento rear wiper motor fix

this guide worked for me! tnx
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Old 17-08-2009   #8
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Re: Seicento rear wiper motor fix

thank you so mucha guy you saved me lots of money,just got the car a month ago and did not check the windshield wiper/rear but i follow your instructions and it worked!i missed up because i rushed a bit and i damage the treads in the arm when using brutal force but i managed to fixed it,it took me longer than you but i got it !thanks again!you have a great day!
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Old 09-12-2010   #9
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Re: Seicento rear wiper motor fix

Brilliant!!! I'm no mechanic but did this in 1.5 hours!! I couldn't get the shaft out so flushed the inside of the plastic tube with oil and worked the shaft until the crud loosened and was flushed out. Have forgotten to put the washer and circlip back on but working fine. Many thanks Andy!!!!
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Old 12-02-2011   #10
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Re: Seicento rear wiper motor fix

Quote Originally Posted by Python15 View Post
Then you obviously know which terminal is which?? Pray tell!!

you do not have to know which terminal u use volt meter which u put the negitive terminal to the body of the car and set volts to 12v dc and just touch terminals with positive lead and see if u get a reading if u hit negative nothing happens
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Old 13-02-2011   #11
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Re: Seicento rear wiper motor fix

Tried it got the post halfway out. Then the brute force would not work so grabbed the loose gears at bottom and twisted. Do not do this because it breaks the gears. Thanks for info tho and be careful all do not use the bottom gears to move the shaft.
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Old 18-02-2011   #12
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Re: Seicento rear wiper motor fix

Quote Originally Posted by Degem View Post
Tried it got the post halfway out. Then the brute force would not work so grabbed the loose gears at bottom and twisted. Do not do this because it breaks the gears. Thanks for info tho and be careful all do not use the bottom gears to move the shaft.

Just bought new wiper motor from incinq on ebay and it works perfectly. cost was 25 gbp and 10 gbp delivery. Feel delivery was expensive it took 3 days but having wiper motor working again think it was worth it.
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Old 22-05-2011   #13
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Re: Seicento rear wiper motor fix

Hi Andy.

I used your guide today. Worked perfectly, even although I had to use a punch and a big hammer on the shaft to release it. Thanks.
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Old 03-09-2011   #14
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Re: Seicento rear wiper motor fix

Hello everybody. Does anyone know the wiring for the rear wiper motor for my cinq? It has 3 cables on the motor and i want to know what cable do. Please tell me because it doesnt working!!
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