Wiper motor analysis
Discussion
Morning all,
got my wiper motor out at the weekend (lovely job), and it seems on opening the unit up, the teeth on the plastic gear have wore away somewhat....
So does anyone know if I get a replacement gear?
Or do I need the whole unit replacing?
Thanks alll...
got my wiper motor out at the weekend (lovely job), and it seems on opening the unit up, the teeth on the plastic gear have wore away somewhat....
So does anyone know if I get a replacement gear?
Or do I need the whole unit replacing?
Thanks alll...
Edited by oli_quick on Monday 25th September 13:56
No idea why I took it out...just getting to me...had to see what was happening.
And it sounded like something was slipping...so I knew it wasn't an electrical issue.
Yeah there is a part number on it, a Lucas one (I will look and write it out tomorrow for you).
But it is not the motor itself that is knackered it is the gearing that converts the spinning cork to back and forth motion....what ever that mechanism is called. Yeah is was covered in grease...I assume to reduce friction on the metal to plastic connection.
And it sounded like something was slipping...so I knew it wasn't an electrical issue.
Yeah there is a part number on it, a Lucas one (I will look and write it out tomorrow for you).
But it is not the motor itself that is knackered it is the gearing that converts the spinning cork to back and forth motion....what ever that mechanism is called. Yeah is was covered in grease...I assume to reduce friction on the metal to plastic connection.
oli_quick said:
plus anyone know what a "wiper park switch" is...
is it in the control box? or in the actual mechanism?
Looks like rainex and high speed maybe my new cure...
is it in the control box? or in the actual mechanism?
Looks like rainex and high speed maybe my new cure...
Wiper park switch cost about £12 from dealer, it's just a white plug/connector, sits on the end of wiper motor, (nearest to the coolant tank)
hth
I've had a good look at my plastic/nylon cogs inside the metal units and I've noticed that the teeth only appear to be worn on the one side. I presume if we turn the cogs round 180 degrees that we should get another 4+ years out of them. I'm off to buy some nice new grease - any reccommendations?
Cheers
MB
Cheers
MB
Marcus I noticed this too, but the gear does seem to be some what stuck in place (i.e. not rotatable)...
I have read that any grease will do for the lubrication of the mechanism...
I have also read that people say - the motor unit itself is a mini, but the gearing mechanism , resulting in the long throw of the wipers themselves is not from a mini...and u have to use the TVR part (or get one made).
I have read that any grease will do for the lubrication of the mechanism...
I have also read that people say - the motor unit itself is a mini, but the gearing mechanism , resulting in the long throw of the wipers themselves is not from a mini...and u have to use the TVR part (or get one made).
Update...Having taken off the bit under the windscreen (the black bit) and now taken apart all the workings in the wiper control arms/units it seems that the following has happened. The long corkscrew piece of metal that feeds into the wiper unit/motor runs through some alloy tubing. Half way (rougly) along the tubing, which is in three pieces by the way, are situated two wiper screws / mechanisms. The cog that rotates the windscreen wipers (part of these mechanisms) is all metal and has worn on one side - not too bad that its knackered though. It is an integral unit and the cog rotates freely when the wiper screw attachment is rotated (ie the bit that the wiper attaches to can rotate three hundred degrees when not under restriction of the metal cork screw that gives the wipers their degree of movement backwards and forwards). Therefore, if the corkscrew is measured and the cog circumference measured it should be possible to work out where to start the cog off when re threading the corscrew in through the wiper units in order that the cork screw works against the unworn parts of the cogs. I'll leave the wiper motor alone for a while until I've put all this lot back together!!! Does this make sense? Maybe I should post some pics?
Cheers
Oh and the whole lot is ferking filthy and covered in grease and shite...
MB
Cheers
Oh and the whole lot is ferking filthy and covered in grease and shite...
MB
Some pictures would be nice...but it seems you may have a family of Field Mice living in your wiper 'caverns'...hence the amount of shite you are seeing :-)
I am going to get mine fixed by the guys at TVR Power...Dom tells me he has some old motors he will be able to remove the problematic plastic gearing from...though I am guessing a new one will be 'needed' ;-(
As for the corkscrew only contacting with a certain circumference of the plastic gear - I am not sure that this is true...do you not think the corkscrew will just rotate the plastic gear round and round...and the lever arm convert this circular motion into back and forth...
I am going to get mine fixed by the guys at TVR Power...Dom tells me he has some old motors he will be able to remove the problematic plastic gearing from...though I am guessing a new one will be 'needed' ;-(
As for the corkscrew only contacting with a certain circumference of the plastic gear - I am not sure that this is true...do you not think the corkscrew will just rotate the plastic gear round and round...and the lever arm convert this circular motion into back and forth...
350matt said:
The motor is the same one as used in the old ( proper) mini
try mini spares? breakers yards?
Matt
try mini spares? breakers yards?
Matt
Is not!
I thought it was as I had a Mini one on the shelf, it was from a MKIII. It turns out that this motor was upgraded and not the standard Mini item.
A Rover Mini wiper motor will not fit a Cerbera.
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