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Tech Forum : Intermitent wipers are.....working intermitently!

- BMW E21 Community
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      - Intermitent wipers are.....working intermitently!
MayanArch   Posted Thursday, Oct 8th 12:16am [Edit] [Quote] [IMS] [View car]
Member
Post nr. 1609
   
Florida, USA
Baur E21 2.7 1982, Baur E30 318i 1985, 323i 1978
OK, my intermitent wipers have taken the "intermitent" part a step further: they only work when they feel like it!

I cant understand what would make them work some of the time without a problem, and then get stuck half way the next day and not move from there.

Any ideas?????

jdench   Posted Sunday, Oct 11th 1:20pm [Edit] [Quote] [IMS] [View car]
Member
Post nr. 215

Sussex, UK
1979 E21 323i, 1998 E36 323i touring
Have you checked all the linkage for wear, or it may be the motors are packing up. When it stops does the wiper motor still have power to it? If it does, then it's probably worn out brushes on the wiper motor. If it doesn't then it might be the relay, or the switch or the earth point might be corroded.

paul dyer   Posted Tuesday, Oct 13th 8:34pm [Edit] [Quote] [IMS] [View car]
Member
Post nr. 41

manchester england
1977 rhd 320i/4
my second e21 had this problem and once i swappped the relay they worked fine...

chupchup   Posted Friday, Oct 23rd 12:53pm [Edit] [Quote] [IMS] [View car]
Member
Post nr. 290
   
Singapore
320m20
I think it is more elec then mechanical. I would change the relays and clean all the contacts first.

MayanArch   Posted Tuesday, Oct 27th 1:15am [Edit] [Quote] [IMS] [View car]
Member
Post nr. 1611
   
Florida, USA
Baur E21 2.7 1982, Baur E30 318i 1985, 323i 1978
Hmmm..... I did use electrical cleaner.

It is hard to reproduce. I dont think it is mechanical, as I have tried helping them along by giving them a tug when they get stuck.



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