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Siwynne



Member Since: 04 Nov 2016
Location: West lancs
Posts: 587

England 
Wipers stopping
My wipers have recently been very unreliable. They stop at random places. The highest speed is slower than the supposed slower speed and they sometimes stop for much longer when on intermittent. I am capable of using a multimeter but before I start has anybody experienced this and save me some time by pointing me to the motor, the relay or the switch.
Post #1025549 21st Feb 2024 10:54pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17450

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Slow running on high speed is almost certainly indicative of the high-speed brush on the motor having worn out. The HS brush is half the section of the LS and common brushes and consequently wears much faster.

It is possible to replace the brush plate in your current motor but the brush plates seem to be quite hard to find and it is usually easier to fit a new motor.

Here is a photo of mine when this happened, the HS brush is the one on the right in the photo and you can just see the size of the worn-out bit, half the section of the other two brushes. I have no idea why they're made like this, I imagine there must be a reason.


Click image to enlarge
Post #1025561 22nd Feb 2024 7:23am
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gcc130



Member Since: 05 Jun 2015
Location: Wiltshire
Posts: 747

I would put a new(good quality) park switch on it while you’re in there.
Post #1025591 22nd Feb 2024 12:15pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17450

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
If replacing the brushes that would be sensible, a new motor would come with a new park switch.
Post #1025596 22nd Feb 2024 1:05pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20453

United Kingdom 
Or might be the rack all gummed up with old grease. No Guts, No Glory.
🇬🇧🏴󠁧󠁢󠁥󠁮󠁧󠁿🏴󠁧󠁢󠁷󠁬󠁳󠁿🏴󠁧󠁢󠁳󠁣󠁴󠁿🇮🇪🇺🇸⛽️🛢️⚙️🧰💪
Post #1025608 22nd Feb 2024 3:10pm
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Siwynne



Member Since: 04 Nov 2016
Location: West lancs
Posts: 587

England 
New wiper motor and wheel boxes ordered. New screen going in next week after the world’s biggest wood pigeon cracked it head on at 60. Messy. It has been noted that the wheel boxes are knackered as the windscreen rubber is marked at the bottom on both sides and on the drivers side.
Post #1025871 24th Feb 2024 8:56pm
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bitonio



Member Since: 05 Jan 2022
Location: France
Posts: 3

Hi,
I had the exact same issue on my defender 300 tdi.
Replacement of the parking switch solved all issues.
https://www.lrdirect.com/520160-switch-park
Very simple, 5 minutes to replace it and quite cheap.
Post #1025921 25th Feb 2024 1:45pm
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Siwynne



Member Since: 04 Nov 2016
Location: West lancs
Posts: 587

England 
Unfortunately to access the motor and spindles it’s a dash out job on a puma so full new set up going in if I have to make that much effort. I don’t want to have to do it again in six months
Post #1026572 2nd Mar 2024 12:34pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17450

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
You don't have to take the dash out to do this job in a Puma, all you need to do is to free off the dash fasteners and ease it away from the bulkhead enough to get a hand or two between the dash and the bulkhead. Not removing completely it will save a lot of time - about an hour is enough to swap out the entire wiper system if it isn't the first time you've done it.
Post #1026574 2nd Mar 2024 12:44pm
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