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okami
Member Since: 06 Apr 2017
Location: Hertfordshire
Posts: 90
 
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Definitely wheel box and/or cable wear. In many cases the wheel box wear is due to eventual bending and misalignment of the gear as it meshes with the cable. The brass collar that sandwiches the gear to the wheel box frame also gets loose and allows the gear to ride off the cable at times. Both are usually from banging on new wipers and ferrules.
Given the pain of replacing them, I'd recommend buying new LR parts. You WILL need to adjust (bend) the wheel boxes cable clamp to align and mesh the gears perfectly with the cable. You will also want to hammer on the ferrules onto the wiper while it is off the car (align it as couple of times first before fully seating it). This is to prevent the gear from pushing out of alignment and the brass collar from getting loose.
While you are at it:
New L/R wheel boxes
New cable (grease the heck out of it)
New wipers
New wiper motor gear (ensure it is the right one that matches your wheel box gear pitch and degree)
Properly adjust the wheel box clamps
Properly adjust the wiper motor gear backlash (use the included washers that come with the motor gear)
Grease inside motor unit
New park switch (keep the old one as a spare)
I had tons of issues with non LR wheel boxes and not properly aligning things. I've also seen the alignment undone by a heavy hand installing the ferrules/wipers. Do it once and do it right 
-j
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26th Jan 2018 5:01pm |
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zsd-puma
Member Since: 09 Aug 2016
Location: Kent
Posts: 2720
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Quote:That leaves the motor worm drive, drive gear and the cable connection at the motor end being common to both wipers.
I did mention that a few posts ago....
If you're pulling the motor out, just get two new wheel boxes and a rack too, because it's not much more work or expense to replace those at the same time. |
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27th Jan 2018 6:32pm |
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