2004 Peugeot 307 Crunchy weirdness with power windows

Peugeot 307 Problem
The Problem

Crunchy weirdness with power windows
Jun 28, 2016 (3 years ago)
Hi all, first-time poster so first off, hello and thanks for reading about my problem. I hope someone can help.

For a while the passenger-side power window has been a bit funky. It would roll up about 3/4 of the way, then stop and wind back down another 20cm or so. We found that a bit of encouragement from a hand would get it to go all the way up and stay up. Later, we discovered that it'd also work fine if we opened the door before rolling it up.

Yesterday these 'fixes' stopped working. The window won't roll all the ray up at all; if we try in increments it goes *almost* all the way then stops and rolls down again. There's also a nasty crunchy noise.

I took the door apart to have a look. It's definitely not the switch. The motor (when removed from the door) works smoothly and quietly, so it's not that. I found no apparent obstructions anywhere. I tried lubing up wherever I could reach, too, to no effect. I *did* find a fairly heavy bolt flopping around in the bottom of the inside of the door...

I guess the actual mechanism of the window is horlicksed somehow. I can't for the life of me figure out how to get in there though - it seems to be sealed inside the door. Any ideas what I can do? I'm seriously brassic at the moment, so trying to avoid taking the problem to a garage until I'm sure it's not a reasonably easy fix.

Thanks for any and all advice!

Car details
Car: Peugeot 307
Model Year: 2004
Category: Electrics, ECU, Warnings & Lights

Recalls: Peugeot 307 Recalls
More: Peugeot 307 Problems
Replies and solutions
Fixes: 1,862
Jun 28, 2016 (3 years ago)
The fact that it changed when you opened the door suggest you should check the wiring inside the trunking that runs from the car body to the door.
Wires can fracture even inside the protective rubber sheathing.
And you could try lubing the window rubber where the window slides up/down.
Fixes: 1,667
Jul 1, 2016 (3 years ago)
by your description it sounds like the cable for the regulator is on the way out ref the noise.The motor is programmable and may just need re syncing .When you have put it all back together you need to perform two cycles up and down holding your finger on the button once the window stopsin each position fully down and fully up.Also check the window rubbers for security and clean the glass ..If you disturb the door membrane make sure you reseal or you wiil get a wet footwell
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