4g61t.org

Specializing in the 3g CSM
It is currently Thu Oct 17, 2019 12:48 pm

All times are UTC-05:00




Post new topic  Reply to topic  [ 35 posts ]  Go to page 1 2 3 Next
Author Message
PostPosted: Sun May 10, 2009 12:57 pm 
Offline
The happy administrator
User avatar

Joined: Tue Apr 20, 2004 3:20 pm
Posts: 5583
Location: Wisconsin
The CSM roof eventually rusts through because of the glue (yes glue) used to secure the roof support crossbeams to the roof skin. It holds moisture in and causes rusting issues, usually starting with small rust bubbles under the paint. The only way to stop it is to remove the headliner, remove the crossbeams, sand down to bare metal (if you have any left, if not you'll need to have a patch welded in) and then prime/paint it.

Check out page 3 for detailed pics.

viewtopic.php?f=22&t=29154&start=30#p320826


Top
   
PostPosted: Sun May 10, 2009 1:54 pm 
Offline
Some call me a god

Joined: Sun Nov 03, 2002 8:01 pm
Posts: 1108
Location: Sask. Canada
Thats crazy, I just had my headliner out and never noticed rust like that but the glue for the support beams has broken free too.


Top
   
PostPosted: Sun May 10, 2009 6:40 pm 
Offline
Some call me a god

Joined: Tue Mar 08, 2005 6:39 pm
Posts: 1599
Location: Cincinnati, ohio
I cut a few out of my black AWD colt a year or so back and fixed most of it.


Top
   
PostPosted: Sun May 10, 2009 6:55 pm 
Offline
Moderator

Joined: Sat May 14, 2005 11:15 pm
Posts: 7510
Location: Stantonsburg, NC
^^^Did you weld them back in or what? I have two very tiny rust bubbles on my roof that I will be fixing once I repaint the car and I don't want this crap coming back later. I would like to go ahead and fix all of them while I'm in there.


Top
   
PostPosted: Sun May 10, 2009 9:07 pm 
Offline
The happy administrator
User avatar

Joined: Tue Apr 20, 2004 3:20 pm
Posts: 5583
Location: Wisconsin
Unless you store things on your roof, I don't see a need to even have them in there.


Top
   
PostPosted: Mon May 11, 2009 6:57 am 
Offline
Some call me a god
User avatar

Joined: Wed Oct 15, 2008 10:34 am
Posts: 2753
Location: Cincinnati
John didn't weld them back in. The car has a 6 point cage so there should not be a problem.


Top
   
PostPosted: Wed Mar 31, 2010 9:03 am 
Offline
Some call me a god
User avatar

Joined: Fri Aug 15, 2008 2:19 am
Posts: 1629
Location: Tonawanda, NY
I pulled mine down enough to grind off the rust with a die grinder and 3" sanding disks. Then I painted all the affected areas with Por15 rust preventative paint. Then I glued the slats back into place with 3M Window weld urethane.

Frankly, I don't think they even primed that area from the factory. It looked like it was bare metal.


Last edited by Coltsfan on Thu Apr 08, 2010 8:39 am, edited 1 time in total.

Top
   
PostPosted: Wed Mar 31, 2010 1:59 pm 
Offline
Moderator

Joined: Sat May 14, 2005 11:15 pm
Posts: 7510
Location: Stantonsburg, NC
Quote:
I pulled mine down enough to grind off the rust with a die grinder and 3" sanding disks. Then I painted all the affected areas with Por15 rust preventative paint. Then I glued the slats back into place with 3M Window weld urethane.

Frankly, I don't think they even primed that area from the factory. I looked like it was bare metal.
Did you cut them out and then glue them back in place? I wanted to fix mine before it spread to the outside of the roof skin. So far only one little spot on the roof from the top but with the headliner removed I can see pretty much every dab of sealant is starting to rust.

_________________
95 Eagle Summit DL coupe
15 Mitsubishi Mirage ES hatch


Top
   
PostPosted: Thu Apr 01, 2010 9:34 am 
Offline
Some call me a god
User avatar

Joined: Fri Aug 15, 2008 2:19 am
Posts: 1629
Location: Tonawanda, NY
No I didn't cut them out. I just pulled them down, and got in behind them with the sanding disks. I cleaned up the roof, but not the slats so much, but the Por15 says you can paint right over rust with it. Besides, with the urethane window weld between the pieces, the slats shouldn't be able to infect the roof with cancer.

I put various sticks and an expandable paint roller handle and stuff in there to hold the slats up overnight.

I may have put a couple posts in there too tightly, because I have a couple small dips in the roof now, but barely noticeable.


Top
   
PostPosted: Mon Apr 05, 2010 4:19 am 
Offline
Newbie

Joined: Thu Jul 02, 2009 10:28 am
Posts: 21
Location: toronto canada
i removed the supports and sanded the roof then painted with por15, then sikaflexed the supports bach in again, worked a treat


Top
   
PostPosted: Mon Apr 05, 2010 1:40 pm 
Offline
Now Drives a hybrid :(
User avatar

Joined: Wed Jul 23, 2003 10:47 pm
Posts: 3218
Location: Phoenix, AZ
I'm contimplating replacing my roof, but I'm going to bring the rust down to bare metal to see whats up.

_________________
4g61t.org
4g61t.com


Top
   
PostPosted: Mon Apr 05, 2010 4:11 pm 
Offline
CSM Junkie

Joined: Thu Jan 04, 2007 8:05 pm
Posts: 430
Location: Kingston , Ontario, Canada
This is so good to know-thanks!! I think I'll take my headliner out and see how it looks.


Top
   
PostPosted: Sun Apr 11, 2010 8:28 am 
Offline
Newbie

Joined: Thu Jul 02, 2009 10:28 am
Posts: 21
Location: toronto canada
please let me know where to get a new roof skin from??????


Top
   
PostPosted: Sun Apr 11, 2010 9:56 am 
Offline
Now Drives a hybrid :(
User avatar

Joined: Wed Jul 23, 2003 10:47 pm
Posts: 3218
Location: Phoenix, AZ
Quote:
please let me know where to get a new roof skin from??????
another not so rusty same model from the junkyard, or one that has a broken engine/tranny from classifieds.

_________________
4g61t.org
4g61t.com


Top
   
PostPosted: Sat May 15, 2010 5:01 pm 
Offline
Spends Too Much Time Under The Hood
User avatar

Joined: Thu Dec 04, 2008 7:42 pm
Posts: 399
Location: Tampa Florida
Most people seem to have the same rust problems. I pose a question for everyone with roof rust to please respond.

Before you noticed the rust did you have an issue with water leaking inside the car? My theory is that it only happens on cars who take water into the inside. That would be the only way moisture on a regular basis could get inside the car to cause the rust.

My car never had a leak inside and has no rust. Two other local colts had leaky interiors and later suffered from roof rust.


Top
   
Display posts from previous:  Sort by  
Post new topic  Reply to topic  [ 35 posts ]  Go to page 1 2 3 Next

All times are UTC-05:00


Who is online

Users browsing this forum: No registered users and 1 guest


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Jump to:  
cron
Powered by phpBB® Forum Software © phpBB Limited