Window doesn't roll up easily - The 1947 - Present Chevrolet & GMC Truck Message Board Network

slotard · 11-30-2015, 12:55 AM

'73 C20, manual windows. In order to not feel like I'll break the handle I have to pull up on the window when rolling it up. Is there something specific that's likely the problem? I'd like to be able to close it more easily.

Matt Man · 11-30-2015, 01:02 AM

clean and grease the track do simple stuff first. Mine was completely seized on my truck on the drivers side.

**old Rusty C10** · 11-30-2015, 11:01 AM

WD40 it

Liberty · 11-30-2015, 11:31 AM

Quote:

Originally Posted by old Rusty C10

WD40 it

Or use my favorite, PB Blaster!

**TKCR** · 11-30-2015, 12:55 PM

It could be several things.
1) your regulator itself is seized up, in which the wd40 or pb blaster will help.
2) it could be the runchannel rubber is dry rotted and pieces of it have gotten wedged up in the channel causing the window not to go up easily.
3) it could be the window is no longer in the rubber, it could be running up between the rubber runchannel and the sash. I have seen this happen.

The best thing to do, is to take the liner off, so you can look around on the inside while rolling the window up & down to see what is causing the friction.

**MikeB** · 11-30-2015, 02:29 PM

Mine was the same when I got the truck. I simply removed the door panel and lubed everything that rolls or slides. I probably need a new regulator, but the window rolls up much easier than before.

slotard · 11-30-2015, 03:57 PM

Regulator on manual windows? What does that do? Anyone have a diagram?

Matt Man · 11-30-2015, 04:04 PM

Here is a picture of a manual regulator.
http://www.ebay.com/itm/CHEVY-73-87-...NWTf4G&vxp=mtr

slotard · 11-30-2015, 04:36 PM

Thanks. I don't quite see why it's called a regulator...

My window certainly isn't as solid as it should be, so I suspect the channel has problems. Is the LMC stuff any good?

**TKCR** · 11-30-2015, 05:07 PM

Quote:

Originally Posted by slotard

Thanks. I don't quite see why it's called a regulator...

My window certainly isn't as solid as it should be, so I suspect the channel has problems. Is the LMC stuff any good?

Its just called that. It's either a power regulator or manual regulator.

The rubber, if you can't find OEM, then Precision is good.

**MikeB** · 12-01-2015, 05:21 PM

Quote:

Originally Posted by slotard

Thanks. I don't quite see why it's called a regulator...

It regulates the window position.

cadillac_al · 12-01-2015, 05:51 PM

I think you will find the problem easily once you get the door panel off. Something must have broke or came loose. I have one that has been that way for a few years, just never got around to fixing it yet.

slotard · 02-20-2016, 01:31 PM

Anyone have a link to a walkthrough? I've never even pulled a door panel before.

**TKCR** · 02-21-2016, 02:56 AM

http://youtu.be/mczSAD3egbw

1aauto has all kinds of how to videos on our trucks.

11-30-2015, 12:55 AM	#1
slotard Registered User Join Date: Nov 2014 Location: Alameda, CA Posts: 877	Window doesn't roll up easily '73 C20, manual windows. In order to not feel like I'll break the handle I have to pull up on the window when rolling it up. Is there something specific that's likely the problem? I'd like to be able to close it more easily. __________________ 1973 C20, 350/350

11-30-2015, 01:02 AM	#2
Matt Man Registered User Join Date: Oct 2009 Location: Buhl, Idaho Posts: 1,438	Re: Window doesn't roll up easily clean and grease the track do simple stuff first. Mine was completely seized on my truck on the drivers side. __________________ 86 c30 crew cab dually 454/400 4/6 drop SOLD 1-8-11 1981 chevy K10 short Bed Scottsdale SOLD 10-26-2020 67 GMC Stepside Straight six/3 on the tree "The Peach" 2020 Silverado Double Cab LT Z71 5.3 8 speed Daily Driver K10 build http://67-72chevytrucks.com/vboard/s...d.php?t=671934 The Peach build http://67-72chevytrucks.com/vboard/s...d.php?t=733903

11-30-2015, 11:01 AM	#3
old Rusty C10 Robert Olson Transport Join Date: Oct 2002 Location: recent transplant to NC USA Posts: 20,313	Re: Window doesn't roll up easily WD40 it __________________ Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!!

11-30-2015, 12:55 PM	#5
TKCR Senior Member Join Date: Oct 2014 Location: Ohio Posts: 6,980	Re: Window doesn't roll up easily It could be several things. 1) your regulator itself is seized up, in which the wd40 or pb blaster will help. 2) it could be the runchannel rubber is dry rotted and pieces of it have gotten wedged up in the channel causing the window not to go up easily. 3) it could be the window is no longer in the rubber, it could be running up between the rubber runchannel and the sash. I have seen this happen. The best thing to do, is to take the liner off, so you can look around on the inside while rolling the window up & down to see what is causing the friction.

11-30-2015, 02:29 PM	#6
MikeB Senior Member Join Date: Jul 2000 Location: North Texas Posts: 3,599	Re: Window doesn't roll up easily Mine was the same when I got the truck. I simply removed the door panel and lubed everything that rolls or slides. I probably need a new regulator, but the window rolls up much easier than before. __________________ Mike 1969 C10 LWB -- owned for 35 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, recent AAW wiring harness, 5-lug conversion, 1985 spindles and brakes. 1982 C10 SWB -- sold 1981 C10 Silverado LWB -- sold, but wish I still had it! 1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming. Retired as a factory automation products salesman. Worked part-time over the years for an engine builder and a classic car repair shop. Member here for 24 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then!

11-30-2015, 03:57 PM	#7
slotard Registered User Join Date: Nov 2014 Location: Alameda, CA Posts: 877	Re: Window doesn't roll up easily Regulator on manual windows? What does that do? Anyone have a diagram? __________________ 1973 C20, 350/350

11-30-2015, 04:04 PM	#8
Matt Man Registered User Join Date: Oct 2009 Location: Buhl, Idaho Posts: 1,438	Re: Window doesn't roll up easily Here is a picture of a manual regulator. http://www.ebay.com/itm/CHEVY-73-87-...NWTf4G&vxp=mtr __________________ 86 c30 crew cab dually 454/400 4/6 drop SOLD 1-8-11 1981 chevy K10 short Bed Scottsdale SOLD 10-26-2020 67 GMC Stepside Straight six/3 on the tree "The Peach" 2020 Silverado Double Cab LT Z71 5.3 8 speed Daily Driver K10 build http://67-72chevytrucks.com/vboard/s...d.php?t=671934 The Peach build http://67-72chevytrucks.com/vboard/s...d.php?t=733903

11-30-2015, 04:36 PM	#9
slotard Registered User Join Date: Nov 2014 Location: Alameda, CA Posts: 877	Re: Window doesn't roll up easily Thanks. I don't quite see why it's called a regulator... My window certainly isn't as solid as it should be, so I suspect the channel has problems. Is the LMC stuff any good? __________________ 1973 C20, 350/350

12-01-2015, 05:51 PM	#12
cadillac_al Registered User Join Date: Oct 2013 Location: Maine Posts: 2,376	Re: Window doesn't roll up easily I think you will find the problem easily once you get the door panel off. Something must have broke or came loose. I have one that has been that way for a few years, just never got around to fixing it yet. __________________ 76 Chevy K20 76 GMC K15 77 Chevy C10 77 Chevy K10

02-20-2016, 01:31 PM	#13
slotard Registered User Join Date: Nov 2014 Location: Alameda, CA Posts: 877	Re: Window doesn't roll up easily Anyone have a link to a walkthrough? I've never even pulled a door panel before. __________________ 1973 C20, 350/350

02-21-2016, 02:56 AM	#14
TKCR Senior Member Join Date: Oct 2014 Location: Ohio Posts: 6,980	Re: Window doesn't roll up easily http://youtu.be/mczSAD3egbw 1aauto has all kinds of how to videos on our trucks.



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