Wiper motor
I've been into MG's for 40 years, this year (this month...) saw me buying my first MGF. Sound and nice, but a defect wiper motor.
These seems rather expensive to replace, are there any other cars using the same wiper motor that might be cheper to replace?
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Having never needed to buy a replacement, either new or used I’ve never looked at prices; there a bit heavy if you’re not careful.
I’ve just had a look on eBay & they range from twenty odd quid used with the linkage to three hundred just for the motor.
There are similar units used in other MGR / Land Rovers but there are differences & I think David is quite an expert on the idiosyncrasies of the types.
What problems are you experiencing, is it the motor or the mech’? Both can be serviced or refurbished, the motor suffers from water ingress & can be stripped, cleaned, right down to the bits. If you do this be sure to drill a drain hole at the lowest point. I seem to recall an upgrade kit being available, I’ve no idea what might be included in that.
Anyway, welcome & keep us post, there’s a wealth of knowledge on here, there’ll be a member familiar with almost all facets of the cars (we’re a bit dumb on Stepspeed), so, the best of good fortune with the job.
M
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The problem is the motor itself. It makes a very loud mechanical scraping sound.
In my mind this is a pre-warning before the motor dies..
My car is LHD, so I need to slurve a part from an european car.
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Of course Left hand drive could add further complications to the issue.
The best thing that I can suggest is look in the archives of this forum and hopefully you’ll find it.
Another corse of action maybe, looking up the part at Rimmers, to see if there is a different part number for left hand drive versions, the searching locally using that part number may be useful
"Keep calm, relax, focus on the problem & PULL THE BLOODY TRIGGER"
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The only difference between right and left hand drive is the mechanism, apparently the motor itself is the same.
Another thing about the wipers on these cars in the joints in the mechanism can make hideous noises just before they fail, so I recommend removing and inspecting the wipers before continuing the search.
Another word of caution is me being in Australia, I’ve never seen a left hand drive MGF so my knowledge is limited to what I’ve heard from others.
If you can find a wiper motor from a different model that will bolt up but has different wiring that you might be able to change the pin out to suit, though I suspect this would be because the different motor may have different features like intermittent wiper function or earthing. A thorough investigation would be required here.
"Keep calm, relax, focus on the problem & PULL THE BLOODY TRIGGER"
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If you are a taker to pieces sort of person you will able to strip it down & most probably identify your problem. Your noise might easily be the prelude to a repair job & not failure, as I commented earlier the motor is prone to water ingress & what you will be hearing could easily be rust rattle.
I have to own up to the fact that I’ve never taken a MGf/tf motor to bits, but I’ve stripped many other types down. Be methodical, take pictures, put related parts in individual containers, clean one part at a time & put those clean parts in another clean container. If you remove the magnets mark them first & whilst they are out drill that hole. Take great care of the commutator, brushes, brush springs & wire. Vacuum as much grot out as you can & then do it again, clean with IPA all around especially brushes & commutator. Clean out bearings with cotton bud then a spot of light machine oil then a dob of grease.
Remove the cover from the gearbox & redistribute grease after making sure everything is free.
And if at any time you are tempted to reach for the WD40, resist, it might get you running but you’ll be running towards a replacement & not a refurbishment.
After testing to your satisfaction, put your tools away, wash your hands & reach for a favourite refreshment.
M
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I recently replaced my motor as it was full of horrid rust water but also the magnets had fractured.
If the motor is working I'd recommend you strip the thing of the car, take the black can of the motor and clean it all out. I suggest it might have fluid in, possibly of a rusty nature, if your lucky it might be savable along with a replacement upper mechanism.
I was lucky to find a UK breaker that hadn't seen the prices creeping up on the motor.
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I see vendors, like Rimmers and Anglo parts, sell the motor. But very expensive.
Looking closer to pictures i see you are right about the LHD vs RHS motors; they are mounted upside down compared to each other.
I'll inspect the mechanism as well. Problem is - winter is coming in Norway, temperatures going down and touching the metal is soon not possible without freezing the fingers off...
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"Keep calm, relax, focus on the problem & PULL THE BLOODY TRIGGER"
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I rebuilt one of the Land Rovers outside during one of our coldest winters followed by a blistering summer.
I grant you there won’t be a comparison between our temperature variations & yours, but I’ve had a glimpse of your problems.
M
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This may be worth a look.
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