Passenger window won't go down

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Aug 22, 2017 | 11:39 AM

Randy_in_MD

Thread Starter

Burning Brakes

Joined: Aug 2016

Posts: 864

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Passenger window won't go down

Hi. I have the common window issue for C5s. I've tried the low tech....slamming door, banging interior of door near the problem area...to no avail.

When I try to lower the window I get an audible click....which I think is bad.

Do I need a new regulator, a new motor, both or something else?

Is this a do-it-yourself type of repair? I'm not very mechanically inclined, but I'll try hard.

If it is not a DIY fix, anyone have a ballpark on cost at an Indy shop? $250-ish?

Can anyone recommend a place? I'm triangulated between Baltimore, Washington DC, and Annapolis, MD.

Thanks in advance for your time.

Aug 22, 2017 | 03:30 PM

rrwirsi

Melting Slicks

Joined: Nov 2014

Posts: 3,399

Likes: 1,339

From: Havre de Grace Maryland

Quote:

Originally Posted by 8VETTE7

An often working solution is to bang hard on the door panel or a couple of door slams. Doesn't always solve the problem but poor contacts is a common problem and these will often correct the issue. Here's an older thread that may help also:

https://www.corvetteforum.com/forums...-easy-fix.html

This worked for me 6 months ago and not had any problems sense. Further research seems to indicate the motor may have locked in the up position and the 'wack' method jarred it enough to make it work. Now I do not put the windows up to where it auto stops. I leave a little gap. Just another anomaly I use in owning a C5.

Aug 22, 2017 | 03:36 PM

02BlownZ06

Drifting

Joined: Nov 2016

Posts: 1,820

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From: Somewhere in the middle of Kansas

I had the same problem and just ended up having to replace the regulator. I think the part was around $90 and my audio guy replaced it when he was installing my stereo for $75.

Aug 22, 2017 | 03:56 PM

Randy_in_MD

Thread Starter

Burning Brakes

Joined: Aug 2016

Posts: 864

Likes: 134

I just tried the hammer/screwdriver technique. No luck.

It's definitely making a clicking/humming sound when I press the window down button. I just doesn't move.

Aug 22, 2017 | 03:59 PM

Bill Curlee

Tech Contributor

Joined: Dec 1999

Posts: 32,910

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From: Anthony TX

CI 6,7,8,9,11 Vet

St. Jude Donor '08

There is a door module power plug/connector (along with another plug) that is accessible if you pop out the rubber accordion tube between the door and door frame. Pull the wiring harness out of the door frame until you find the connectors:

Examine the six wire power plug and see if the female pins are damaged (spread apart). There is also several connectors inside the DOOR that you need to examine and make sure that they are properly connected and not damaged. Press on and wiggle each connector while you hold the window switch and see if you can get it to work properly before you start replacing parts!

SIX PIN POWER CONNECTOR:

------------------------------------------------------------------------------------------

Bill

Aug 22, 2017 | 04:04 PM

Randy_in_MD

Thread Starter

Burning Brakes

Joined: Aug 2016

Posts: 864

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The power door lock works with the button on the passenger door and also with the control for the passenger door lock located on the driver door.

I don't know if that clarifies anything or not.

Just the window won't go down with the control button on either door.

Last edited by Randy_in_MD; Aug 22, 2017 at 04:05 PM.

Aug 22, 2017 | 04:33 PM

tdogg21

Burning Brakes

Joined: Sep 2006

Posts: 1,228

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From: South Central PA

2017 C3 of Year Finalist

I had the same problem this week. The panel on the passenger side lights up and everything works except the window. I hear the clicking but nothing happens from either side. I gave the inside door handle a couple of firm smacks and it started to work. However, it was moving slow and seemed to get worse as I used it. I talked to my mechanic today and he's going to replace the motor for me after Corvettes at Carlisle. I'd rather just replace a relatively inexpensive part than constantly worry that it's going to go out on me at the wrong time.

Aug 23, 2017 | 11:35 PM

Fatbob

Instructor

Joined: Mar 2016

Posts: 199

Likes: 44

From: ND

When I got my car the passenger window wouldn't come down. Banging on It didn't work, but taking the inside panel off and hitting the door directly with a rubber hammer got it working. A year and a half later it still works fine. A GM mechanic told me it's common on GM cars, especially on cars that sometimes sit for a while.