Just incase anyone hits the wipe when they have snow on the windscreen and mess up the wiper prak position, here is a few hints at what to look for. I never found anything very useful on the net this afternoon, so decided to write it up here quickly in case anyone was as stupid as me earlier.

My windscreen wipers found a new park position at the most vertical point of the sweep!

It's actually very simple and should take about an hour.

Remove windscreen wipers (obviously)

Remove the plastic windscreen valance (10 screws or so).

Remove the wiper mechanism, 3 10mm bolts

Unplug wiper mechanism.

Dont bother with the white mechanism that controls the park positioning as it's a red herring at this point.

When you have the wiper mechanism off, take a note of the position of the arm that is connected to the back of the motor. My arm was at a 12oclock position.

Unscrew that rear nut, prize off the two arms (easy to remove), and then set the arm to the 9oclock position and screw the nut back on.

Please note the "oclock" positions are when you are looking at the mechanism as if it was in the vehicle and not when you are looking at the mechanism from behind it.

Stick it all back together, and the wipers should be parked back in the right place.

Simple as that.

One quick hint, make sure the wiper is reset before you start. Eg, not part way through a cycle and you've pulled the power. If you pull the power before the wipers park in the incorrect position, the arm at the back of the mechanism will be in the wrong please.

Final tip, don't wipe heavy snow off the windscreen lol.

tinman said:

an hour.

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Many thanks for altruistically posting detailed guidance here for the benefit of others.

Omaweneno said:

altruistically.

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I confess I had to google that word!

Maybe his would be more beneficial in the 'guides' section? Don't suppose you took a photo or 2 'Tinman'?

Erm... Why not just unbolt the wiper arms and rotate them to your preferred park position? Or am I missing something here? I know my Dobbie from new parked the arms on the visible portion of the windscreen - I removed the caps on the arms, removed the nuts, after a bit of persuasion they lifted off and I moved them around a notch or two on the shafts.

Jon.

Dakar said:

Erm... Why not just unbolt the wiper arms and rotate them to your preferred park position? Or am I missing something here? I know my Dobbie from new parked the arms on the visible portion of the windscreen - I removed the caps on the arms, removed the nuts, after a bit of persuasion they lifted off and I moved them around a notch or two on the shafts.

Jon.

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Won't work as you need to ensure all linkages and the arm from the motor are set in the right position or the wiper will travel down (jamming). The original problem can be caused by the motor shaft to arm stripping its thread, causing the linkages to go out of sync.

Only way is to align the mech is as described in the first post of this thread, however found its easier to keep motor in position and just use a 13mm spanner to undo the arm to shaft bolt and realign to the 9 O'clock position.

chappers1962 said:

Won't work as you need to ensure all linkages and the arm from the motor are set in the right position or the wiper will travel down (jamming). The original problem can be caused by the motor shaft to arm stripping its thread, causing the linkages to go out of sync.

Only way is to align the mech is as described in the first post of this thread, however found its easier to keep motor in position and just use a 13mm spanner to undo the arm to shaft bolt and realign to the 9 O'clock position.

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Ahh... gotcha... So when it was parking, it's not at the bottom of the sweep? Yeah, that'd be a bummer!

Jon.

I know this is an 8 year old thread but it saved my bacon with the same problem. My was on my 2012 500 1.2 lounge when the windscreen was covered in snow.
The only problems I had was getting the plastic cover off the length of the windscreen, so I could get at the motor. There is only one screw in the middle and two stupid plastic clips that look like screws until realise you have to just lift the centre of the clip up; then the rest comes comes out. Don't do it like me and break them.
Also at the two extreme ends of the plastic cover, where it meets the doors, there are two clips underneath that you can't see, that are very easy to snap; which I did.
Once I got the wiper motor our, it was a piece of cake!! Apart from, once you get the arm in the new position; the arms going to each wiper, cover the nut and therefore you have to use a spanner instead of a socket set.
Thanks once again to the original Threader!! PS, Put some water on the windscreen before you test it otherwise a dry, dusty window could put you right back to square one!!

2022 here! Got the same problem after a snowy winter, and dumb as i was tried to clean the window of snow.. This thread saved me a lot blood sweat and tears. Thank you guys!