Author Topic: Electric Window Mech's - "How To"  (Read 14805 times)

Offline X4MGS

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Electric Window Mech's - "How To"
« on: 18 May 2012, 20:39 »
Been Looking For A How To Thread For These For Years & Never Found One.... So Thought I would have a play and do one....

I had a couple of very rare rear mechs on a car that a guy was desperate to have but I knew that they didn't work so thought sod it - Lets have a go - Nothing to loose!!

Here Goes;

Mech's...



Tools & Stuff Needed.... WD40, Grease (Both Spray & Solid), Torq 25, 16mm Spanner, Phillips & Flat Screwdriver's, Plyers....





Spray the screws etc with lots of WD40...



Remove The 2 Screws & Washers for the Motor....





Gently Ease The Motor Away - DON'T try and pull it all the way out!!



Remove the 2 x 16mm rubber bolts...




Remove the 3 x T25 Torq screws...



Take Off The Metal Cover/Top - revealing the wire winder mech, careful not to pop off the runners with the springs, or you will have to mess about rewinding them on to the reel... Easy to do just time consuming...



CAREFULLY turn the whole unit over...



Pop a flat screwdriver between the plastic middle & Alloy base and free off the bottom of the mech;



Look at all the Crud around the mech;




You can now remove the Motor & Worm Drive...



I now connected the motor to a spare battery to make sure it was working... I also sprayed some WD40 on it first... DON'T Use Grease or you'll ruin it...



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Offline clipperjay

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Re: Electric Window Mech's - "How To"
« Reply #1 on: 18 May 2012, 20:49 »
Good work!
I would be tempted to replace the plastic gear cog I'm sure that would be a major wear point?

Offline X4MGS

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Re: Electric Window Mech's - "How To"
« Reply #2 on: 18 May 2012, 20:53 »
Rebuilding The Mech.....

Grease Up the gearwheel & casing...



Carefully Turn it over and grease up the other side...



Pop the metal cover back on - don't tighten up the screws just yet....




Clean up the motor end with WD40 & Grease Up The Worm Drive...




Push the motor back in... This may need a little bit of help - tap it on a bench....



Also Note That I have kept the mech's apart so the worm gear slots back in and mesh's properly...



You now have to use the motor screws and washers to pull the motor back into the mech properly..




Back to testing....















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Offline sketchy63

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Re: Electric Window Mech's - "How To"
« Reply #3 on: 19 May 2012, 12:09 »
Top job mate! am gonna do this when i get back from uni, over the next week.

So helpful! Thanks :)

Offline Mr Blue

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Re: Electric Window Mech's - "How To"
« Reply #4 on: 19 May 2012, 13:25 »
Good job. Do the cables wrap around the yellow cog a few times or just once? Had an issue with mk4 ones and they were wrapped a few times.
:)

Offline X4MGS

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Re: Electric Window Mech's - "How To"
« Reply #5 on: 19 May 2012, 13:53 »
Good job. Do the cables wrap around the yellow cog a few times or just once? Had an issue with mk4 ones and they were wrapped a few times.

It depends on where the glass catch is!!! top or bottom = 3-1 ish so one has 3 turns of wire but the other only has one.

I found that if the wires pop out you have to put the yellow centre back in to the holder and wind the wire back on to tension back the springs...

Needless to say the motor needs to be out...

Was a bit time consuming and difficult due to the fact that I'd greased the unit up in the 1st inst!!

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Offline X4MGS

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Re: Electric Window Mech's - "How To"
« Reply #6 on: 19 May 2012, 15:48 »
Footnote;

If I was doing another one I would pop on some gasket sealant to the base unit and the motor....
« Last Edit: 21 May 2012, 00:03 by X4MGS »

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Offline Jay

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Re: Electric Window Mech's - "How To"
« Reply #7 on: 19 May 2012, 17:15 »
Good write up, I replaced the cables and cogs on my Galaxy last year, took a few hours, but mostly because of the tension involved and having to wrap the cable round the cog a few times because it popped off. Once you know what you're doing it's easier  :smiley:
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Offline X4MGS

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Re: Electric Window Mech's - "How To"
« Reply #8 on: 21 May 2012, 00:10 »
Good work!
I would be tempted to replace the plastic gear cog I'm sure that would be a major wear point?

Don't think thats needed as they seem to just seize up due to dried up grease....

I remember years ago learning about a silicon grease that we were selling and the manufactures said it would last a minimum of 10 years - maybe VW used a similar product and we are now getting to the point where this grease has reached the end of it's life and just needs replenishing.

I cant see how you would wear out one of the cogs unless the motor has been slipping or been over run, but I guess the wires would fail before the gears as they are so  tightly meshed....

But I stand to be corrected...

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Offline Ozz

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Re: Electric Window Mech's - "How To"
« Reply #9 on: 01 September 2012, 20:42 »
Great write up, worked a treat thanks!
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