Wipers wont park
Thread Starter
Instructor
Joined: Nov 2008
Posts: 101
Likes: 10
Wipers wont park
Here we go again guys..
My wipers wont park . Car is a garage queen so the wipers don't get used much..I mean never!
Well today I thought I'd better test for the inspection and the things wont park..
Found some really good threads and vids on here so preceeded to strip it down. Really easy job and on inspection of the motor under the drive hub I found that it wont run in reverse.. my question is is there some electronics in the motor that make the thing run backwards and cause the drive hub to park the wipers... If so my motor only runs intermittent, on, full and momentary....NO REVERSE ?
Please let me know and I will get onto R**ks for a new one
My wipers wont park . Car is a garage queen so the wipers don't get used much..I mean never!
Well today I thought I'd better test for the inspection and the things wont park..
Found some really good threads and vids on here so preceeded to strip it down. Really easy job and on inspection of the motor under the drive hub I found that it wont run in reverse.. my question is is there some electronics in the motor that make the thing run backwards and cause the drive hub to park the wipers... If so my motor only runs intermittent, on, full and momentary....NO REVERSE ?
Please let me know and I will get onto R**ks for a new one
Burning Brakes
Joined: Aug 2011
Posts: 830
Likes: 288
Its actually the wiper "transmission". When you turn off the wipers the motor goes in reverse and the little plate with the springs on top catches the tab making the wipers "park". But if you say the motor never goes counter clockwise then its a good chance its the motor itself or more accurately the circuit board. Usually there is no problem tho unless you have clogged udders. And since you said its a garage queen I am guessing they aren't clogged. I am sure there is some in depth long drawn out process for testing the unit but for $70 it is worth just replacing. But I am sure others will chime in and disagree.
Thread Starter
Instructor
Joined: Nov 2008
Posts: 101
Likes: 10
Thanks for the reply!
Yes the motor is not reversing..I took the transmission plate off my unscrewing the torqs screw thus revealing the spindle and its doesn't reverse.
This is starting to make sense now..the electronics could be shot in the motor.
My fault..maybe I should have exorcised the wipers more..
I will get it all out onto the bench tomorrow and try and get inside the motor and electronics..maybe there is a spider in the there..lol
There must be some contacts in there that reverse the polarity for a few secs thus reversing the motor and actuating the reverse transmission to create the park position.. I looks complicated..a credit to GM
Yes the motor is not reversing..I took the transmission plate off my unscrewing the torqs screw thus revealing the spindle and its doesn't reverse.
This is starting to make sense now..the electronics could be shot in the motor.
My fault..maybe I should have exorcised the wipers more..
I will get it all out onto the bench tomorrow and try and get inside the motor and electronics..maybe there is a spider in the there..lol
There must be some contacts in there that reverse the polarity for a few secs thus reversing the motor and actuating the reverse transmission to create the park position.. I looks complicated..a credit to GM
Thread Starter
Instructor
Joined: Nov 2008
Posts: 101
Likes: 10
Fixed !!!
Grease had dropped onto the contacts in the electronics box under the wiper motor.
a bit of a cleanup with brake cleaner and oiled the park transmission, synchronised it to the arms and good to go..
Thanksguys..lot of useful info on these forums as usual
Grease had dropped onto the contacts in the electronics box under the wiper motor.
a bit of a cleanup with brake cleaner and oiled the park transmission, synchronised it to the arms and good to go..
Thanksguys..lot of useful info on these forums as usual
