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Sunroof help needed - UPDATED #65805
05/29/08 08:08 PM
05/29/08 08:08 PM
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Posts: 923
Missouri
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convertriple Offline OP
super gas
convertriple  Offline OP
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Missouri
My 73 manual crank A-body sunroof doesn't move. I have it out of the car, and it needs a major cleaning.

Is there any special chemicals I should use or avoid?

Any tips on disassembly, cleaning, and assembly of the unit?

Any help is greatly appreciated.

Last edited by convertriple; 06/03/08 11:20 PM.
Re: Sunroof help needed [Re: convertriple] #65806
05/29/08 08:36 PM
05/29/08 08:36 PM
Joined: Jan 2003
Posts: 8,144
Arkansas
340727dart Offline
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Arkansas
Does the crank turn?
The first thing you need to check is the gear on the crank assembly and the channels for the cables.
The channels wear and allow the cables to move away from the crank gear.
You can gently squeeze the channels together. But, don't go crazy as it is pot metal and will break.
Take the cable channel covers off and clean that 35 year old grease out of there. Then, use new grease.


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Re: Sunroof help needed [Re: convertriple] #65807
05/29/08 08:54 PM
05/29/08 08:54 PM
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Western PA
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OldMoparMan Offline
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Western PA
I had my sunroof apart this past summer and it's not very hard to disassemble it mostly phillips screws. Keep in mind that if the handle doesn't turn don't twist it very hard or you may strip the drive gear or wires.

When you take the track covers you will see the drive wires that sort of look like pipe cleaners and they will have some type of lube on them so do this on a surface that won't hurt to get dirty.

If you disassemble the drive section which is a good idea to do just to make sure the pot metal part is not worn out then you will have to make sure you get the drive wires back in correctly so that they pull at the same time.

Lastly since you have the sunroof down you should change the four drian tubes or at least blow air through them to make sure water can drian off.

Hope this helps


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Re: Sunroof help needed [Re: convertriple] #65808
05/30/08 12:32 AM
05/30/08 12:32 AM
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Missouri
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MY340 Offline
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Lubriplate white grease is a good choice after a thorough cleaning of the parts. Inspect your cable/gear retainer where your crank gear mounts for wear and the gear teeth for wear.

As you probably already know parts are hard to find but you can always beg for parts on Moparts as some guys like to hoard them.


1970 FE5 Duster 360/904/3.91's SOLD 1973 TB3 SpaceDuster 340/4spd/4.10's SOLD Moparless for now but when the opportunity is right I'll have another one.
Re: Sunroof help needed [Re: MY340] #65809
05/31/08 01:10 AM
05/31/08 01:10 AM
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Missouri
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convertriple Offline OP
super gas
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Missouri
Yeah, afraid I know about the parts situation.

I'm embarrased to say that it's been so long since i tried the roof, that I can't remember if it wouldn't turn, or it would turn with no slide action. I just remember that it didn't work, and while waiting on some parts I decided to tear into it.

I was thinking of using wheel bearing or synthetic grease on the assembly, I hadn't thought of lubriplate though.

Can I use brake cleaner to clean the cables, or is that too strong?

Thanks

Re: Sunroof help needed - UPDATED [Re: convertriple] #65810
06/03/08 11:16 PM
06/03/08 11:16 PM
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Missouri
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convertriple Offline OP
super gas
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Missouri
Ok guys, I got the roof back together after cleaning and re-greasing. It seems to work, but there is a spot where it is quite difficult to crank, this seems to happen just before it is fully closed. I am afraid that the high effort required to crank it will strip something out.

Is this "hard to crank" area normal, or is there a problem?

Re: Sunroof help needed - UPDATED [Re: convertriple] #65811
06/03/08 11:23 PM
06/03/08 11:23 PM
Joined: Jul 2003
Posts: 12,129
Cleveland
sunroofgtx Offline
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Cleveland
Hi , awesome car.. Your rear closers may need adjusting. Also, can you adjust your front guide brackets on your panel ? Are they to tight ? When I first took mine apart, 71 GTX, I was so nervous. It's fairly easy, isn't it ?


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Re: Sunroof help needed - UPDATED [Re: sunroofgtx] #65812
06/04/08 12:17 AM
06/04/08 12:17 AM
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Missouri
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convertriple Offline OP
super gas
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Missouri
It wasn't as bad as I thought it was going to be.
Sorry to say, I'm not sure what a "rear closer" and "front guide bracket" is. I don't know all the terms for the parts. I do know the following parts:
-cables,
-rails,
-front channel (that the retainer sits in) and the front channel cover,
-the gear and crank handle,
-the cable covers that have a hump in them to push the roof upwards at the end of its travel. If this is what you are calling a "rear closer", I didn't see any adjustment in it.

Re: Sunroof help needed - UPDATED [Re: convertriple] #65813
06/04/08 09:43 AM
06/04/08 09:43 AM
Joined: Jan 2003
Posts: 8,144
Arkansas
340727dart Offline
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Quote:

Ok guys, I got the roof back together after cleaning and re-greasing. It seems to work, but there is a spot where it is quite difficult to crank, this seems to happen just before it is fully closed. I am afraid that the high effort required to crank it will strip something out.

Is this "hard to crank" area normal, or is there a problem?




The point where it gets hard to crank is when the cables are pulling the rear of the panel up over those humps on the cable covers. There's no adjustment to be made.
It is normal to encounter some resistance at that point but not to the point where it feels like something is going to give way.
The ends of the cables have little ramps that lift the rear of the panel to go flush with the roof. They are made of pot metal and easily broken.
The only thing I can suggest is to make sure everything in that area is clean and lubed with fresh grease, and that the panel lifts aren't broken.


Your life is not my fault.
My life is none of your business.

Speech is free only if you agree with those in control.
Re: Sunroof help needed - UPDATED [Re: 340727dart] #65814
06/04/08 10:31 AM
06/04/08 10:31 AM
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ME
79machocharger Offline
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ME
Not trying to steel the post but how fine tuned does the sunroof need to be. Mine goes back fine but when I go to put it back up it fetches up and I have to go back then foward again with it to get by that spot, somtimes it will slip when it gets fetched up. I must not have it adjusted right? Maybe one cable is ahead of the other if that's possible. I wish they reproduced all brand new parts for these sunroofs .

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Re: Sunroof help needed - UPDATED [Re: 79machocharger] #65815
06/04/08 12:14 PM
06/04/08 12:14 PM
Joined: Jan 2003
Posts: 8,144
Arkansas
340727dart Offline
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Quote:

Not trying to steel the post but how fine tuned does the sunroof need to be. Mine goes back fine but when I go to put it back up it fetches up and I have to go back then foward again with it to get by that spot, somtimes it will slip when it gets fetched up. I must not have it adjusted right? Maybe one cable is ahead of the other if that's possible. I wish they reproduced all brand new parts for these sunroofs .




It sounds like your cables are slipping around the crank gear.
Remove the crank gear retaining block and look for wear in the cable channels. It tends to wear easily around the gear. The steel gear doesn't wear near as quickly as the pot metal block.
If it is worn, a quick fix is to gently squeeze it back together. But, as was mentioned earlier, that block will break if you get carried away.
If I had access to a Bridgeport mill, I'd make my own block out of steel.


Your life is not my fault.
My life is none of your business.

Speech is free only if you agree with those in control.
Re: Sunroof help needed - UPDATED [Re: 340727dart] #65816
06/04/08 04:21 PM
06/04/08 04:21 PM
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NORTHERN VA
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THESHAKERPROJECT Offline
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NORTHERN VA
On my Charger R/T the inside panel that is covered with the headliner materal would bind in places so I took it apart and ground the metal sides of the inner panel about 1/16 per side so it is not as tight from side to side. Now it never binds and works better than new.

Re: Sunroof help needed - UPDATED [Re: THESHAKERPROJECT] #65817
06/04/08 06:00 PM
06/04/08 06:00 PM
Joined: Feb 2004
Posts: 7,195
Harrisburg, Pa.
screamindriver Offline
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I had to fine tune my sunroof when it went back together with new grease and a few adjustments...The trick is to get the cables pulling evenly when it hits that ramp and has a little tension on it...Have someone watch from the top to see if the panel is binding from being pulled unevenly then adjust one side accordingly....

Re: Sunroof help needed - UPDATED [Re: THESHAKERPROJECT] #65818
06/04/08 06:04 PM
06/04/08 06:04 PM
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Posts: 923
Missouri
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convertriple Offline OP
super gas
convertriple  Offline OP
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Missouri
I will take another look at it and perhaps take the inner headliner panel out and see how it goes. Before attaching the roof section, it flowed quite easily up onto the ramps, so it must be something with how the roof panel is fitting or catching on something.

Thanks for all the help so far.

Re: Sunroof help needed - UPDATED [Re: 340727dart] #65819
06/05/08 12:50 AM
06/05/08 12:50 AM
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Posts: 5,270
Missouri
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MY340 Offline
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Missouri
Quote:

Quote:

Ok guys, I got the roof back together after cleaning and re-greasing. It seems to work, but there is a spot where it is quite difficult to crank, this seems to happen just before it is fully closed. I am afraid that the high effort required to crank it will strip something out.

Is this "hard to crank" area normal, or is there a problem?




The point where it gets hard to crank is when the cables are pulling the rear of the panel up over those humps on the cable covers. There's no adjustment to be made.
It is normal to encounter some resistance at that point but not to the point where it feels like something is going to give way.
The ends of the cables have little ramps that lift the rear of the panel to go flush with the roof. They are made of pot metal and easily broken.
The only thing I can suggest is to make sure everything in that area is clean and lubed with fresh grease, and that the panel lifts aren't broken.






If you park your car in a garage or even cover it outside you can just crank it closed and not ramp it up to save on wear & tear. I don't close mine all the way most of the time.


1970 FE5 Duster 360/904/3.91's SOLD 1973 TB3 SpaceDuster 340/4spd/4.10's SOLD Moparless for now but when the opportunity is right I'll have another one.
Re: Sunroof help needed - UPDATED [Re: MY340] #65820
06/05/08 10:56 PM
06/05/08 10:56 PM
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Posts: 923
Missouri
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convertriple Offline OP
super gas
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Missouri
One more thing guys: I guess the inner panel that would have the headliner material attached is supposed to be bolted up to the outer panel? It looks like there are about 7 holes where they should be bolted together, but mine wasn't. Kinda weird looking, as all the holes to attach are at one end of the roof, with no holes on the other.

Re: Sunroof help needed - UPDATED [Re: convertriple] #65821
06/06/08 12:28 AM
06/06/08 12:28 AM
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Missouri
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MY340 Offline
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Not sure what was original but I use the plastic round flat buttons with the barb thingies

You can find them at the autoparts stores under the HELP or Dorman brand names normally.

By using them you can remove the inner interior panel from the outer sunroof panel which is needed when removing the outer sunroof panel for repair or paint work for example. The inner interior panel will flex enough to pop in and out with alittle effort after the barbs are removed and sunroof is cranked fully open.

Most people use a thin cloth, ABS plastic or vinyl to cover that inner interior panel. Watchout for excess material at the edges which causes excessive drag so trim back as needed. Then just punch holes in it at the locations so the barb thingies can go thru and attach to outer sunroof panel so both pieces now move together.



1970 FE5 Duster 360/904/3.91's SOLD 1973 TB3 SpaceDuster 340/4spd/4.10's SOLD Moparless for now but when the opportunity is right I'll have another one.






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