1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Non-hardening sealant for hatch seal?

Thread Tools
 
Search this Thread
 
Old 05-24-10, 01:11 PM
  #1  
Rotary Enthusiast

Thread Starter
iTrader: (17)
 
Stevan's Avatar
 
Join Date: Sep 2003
Location: Jax, FL.
Posts: 1,041
Likes: 0
Received 1 Like on 1 Post
Non-hardening sealant for hatch seal?

Anyone know of a good product/source for this? I think the lack of enough of it has led to the demise of many a Rx-7. Without enough, I believe water is drawn under the seal, and between layers of steel, by capillary action. Clogged drains don't help any.
Rain season is starting here in FlorIda, and my next DD is nearly void of any sealer.
I'll try an auto body supply shop, but thought I'd check the collective too.
Old 05-24-10, 01:21 PM
  #2  
Senior Member

iTrader: (3)
 
Keeble's Avatar
 
Join Date: Oct 2007
Location: Rockwall, TX
Posts: 658
Likes: 0
Received 2 Likes on 2 Posts
why don't you try some of the non-hardening silicone that is carried at most autoparts stores?
Old 05-24-10, 03:16 PM
  #3  
1st-Class Engine Janitor

iTrader: (15)
 
DivinDriver's Avatar
 
Join Date: Jun 2008
Location: Chino Hills, CA
Posts: 8,376
Received 26 Likes on 24 Posts
Fixing the drains would be a good idea, too.
Old 05-24-10, 03:27 PM
  #4  
Junior Member
 
DenCon's Avatar
 
Join Date: Dec 2009
Location: Central Washington
Posts: 39
Likes: 0
Received 0 Likes on 0 Posts
Windshield adhesive
Old 05-24-10, 09:13 PM
  #5  
I need MORE parts cars!

iTrader: (4)
 
Slightly Warped's Avatar
 
Join Date: Nov 2006
Location: Dallas, TX
Posts: 80
Likes: 0
Received 0 Likes on 0 Posts
Try some Permatex Form-a-gasket #2. It is non hardening.
Old 05-25-10, 09:59 AM
  #6  
Rotary Enthusiast

Thread Starter
iTrader: (17)
 
Stevan's Avatar
 
Join Date: Sep 2003
Location: Jax, FL.
Posts: 1,041
Likes: 0
Received 1 Like on 1 Post
Thanks for the ideas, I should have said non curing, not "non hardening", sorry.
The stuff that's in there from the factory is like a putty(see photos). I managed to get some out of another car(very very small amount). Went to O'Reilly's, and they had nothing like it.

Divin, I can't possibly fix all the drains in all the 7's in the world
Attached Thumbnails Non-hardening sealant for hatch seal?-2010-05-25-01.09.29.jpg   Non-hardening sealant for hatch seal?-2010-05-25-01.10.32.jpg   Non-hardening sealant for hatch seal?-2010-05-25-01.17.19.jpg  
Old 05-25-10, 10:07 AM
  #7  
1st-Class Engine Janitor

iTrader: (15)
 
DivinDriver's Avatar
 
Join Date: Jun 2008
Location: Chino Hills, CA
Posts: 8,376
Received 26 Likes on 24 Posts
I don't recall there being any adhesive or sealant under my hatch seal, but it's been a huge number of years since I changed it.

If you're just looking for anti-wicking protection, I'd think a thin layer of clear silicone grease would do the job without harming anything. You'd only really need it along the lower portion of the seal, and if used sparingly, it wouldn't migrate.
Old 05-29-10, 01:58 AM
  #8  
Rotary Enthusiast

Thread Starter
iTrader: (17)
 
Stevan's Avatar
 
Join Date: Sep 2003
Location: Jax, FL.
Posts: 1,041
Likes: 0
Received 1 Like on 1 Post
Went to Napa, the guy looked trough a 3M catalog, and couldn't find anything. Also called a local auto body supply shop, they said no.
The silicone grease sounds like it would work, but may not stay contained under the seal, though that may not be as important as keeping the water out.
Really would like to find the OEM stuff. The 83 that I got the little bit out of in the photo, has very little rust in that area, rare for a SE car. May have to resort to an adhesive
Old 06-07-10, 09:57 PM
  #9  
Rotary Enthusiast

Thread Starter
iTrader: (17)
 
Stevan's Avatar
 
Join Date: Sep 2003
Location: Jax, FL.
Posts: 1,041
Likes: 0
Received 1 Like on 1 Post
I found this online today: http://www.bestmaterials.com/detail.aspx?ID=8984
Went to a local bldg supply and they had it, same price. Seems to have the exact consistency of the oem stuff.
I debated folding it over the metal edge, and pressing the seal over it, or folding it in half, and stuffing it into the seal, then press the seal on. Went with the latter. Now think I should have done it the other way, oh well. I can always redo it. I only went about 1/3 the way around at the bottom, and 2 spots at the top where the steel overlaps.
Old 06-08-10, 09:55 AM
  #10  
1st-Class Engine Janitor

iTrader: (15)
 
DivinDriver's Avatar
 
Join Date: Jun 2008
Location: Chino Hills, CA
Posts: 8,376
Received 26 Likes on 24 Posts
Ought to keep things watertight for you. Might be a bit hard to get off later, but that's later.
Old 06-08-10, 11:53 AM
  #11  
Old Fart Young at Heart

iTrader: (6)
 
trochoid's Avatar
 
Join Date: Apr 2004
Location: St Joe MO
Posts: 15,145
Likes: 0
Received 7 Likes on 7 Posts
I don't recall ever seeing rear hatch sealant on any of the 1st gens I've worked on. It comes down to the drains being clear, how tight the latch is adjusted, condition of the gasket itself and the rubber washers for the struts.
Old 06-09-10, 09:04 PM
  #12  
Rotary Enthusiast

Thread Starter
iTrader: (17)
 
Stevan's Avatar
 
Join Date: Sep 2003
Location: Jax, FL.
Posts: 1,041
Likes: 0
Received 1 Like on 1 Post
Trochoid, you may not have seen it because you weren't looking for it.
An 83 (first 2 pics), and an 81 in my garage, I'll get you pics of an 85 in a couple days.
As I said in my 1st post, the water is drawn in by capillary action(wicking, as Divin put it) I don't believe the seal can be tight enough to prevent it.
Attached Thumbnails Non-hardening sealant for hatch seal?-2010-06-09-21.33.21.jpg   Non-hardening sealant for hatch seal?-2010-06-09-21.33.41.jpg   Non-hardening sealant for hatch seal?-2010-06-09-21.43.01.jpg  
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
Jeff20B
1st Generation Specific (1979-1985)
73
09-16-18 07:16 PM
cewrx7r1
3rd Generation Specific (1993-2002)
15
08-06-18 11:41 AM



Quick Reply: Non-hardening sealant for hatch seal?



All times are GMT -5. The time now is 07:15 AM.