GASKET SEALER OR NOT??? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

Reply
 
 
 
Thread Tools Search this Thread
Old 03-01-2007, 07:59 PM   #1
Junior Member
Posts like a V-Tak
Thread Starter
 
Join Date: Aug 2004
Location: HARRISBURG PA
Posts: 27
Thanks: 0
Thanked 0 Times in 0 Posts
LEFTYGOLFGUY is on a distinguished road
Default GASKET SEALER OR NOT???

I appreciate all the help you guys have given over my past few posts.

I'm replacing the side and bottom pan gaskets on a new (used) transmission that I will be installing in my 95 se this weekend. I bought the gaskets and seals but I'm not sure if I should use a gasket sealer (blue stuff, or shalack) ... or just use the gasket???

Also have the same question for the oil pan and valve cover gaskets???

Thanks again ... Lefty
LEFTYGOLFGUY is offline   Reply With Quote
Old 03-01-2007, 08:25 PM   #2
PopaDopaDo
True Car Nut
 
popatim's Avatar
 
Join Date: Jan 2005
Location: NY
Posts: 4,957
Thanks: 0
Thanked 0 Times in 0 Posts
popatim is on a distinguished road
Default

The valve cover and tranny pan gaskets require no sealer. I replace both on my wifes car w/o problems. They are not like the cork gaskets of old.
popatim is offline   Reply With Quote
Old 03-01-2007, 08:36 PM   #3
Junior Member
 
Join Date: May 2006
Location: BonnevilleHell
Posts: 0
Thanks: 0
Thanked 0 Times in 0 Posts
clm2112 is on a distinguished road
Default Re: GASKET SEALER OR NOT???

Quote:
Originally Posted by LEFTYGOLFGUY
Also have the same question for the oil pan and valve cover gaskets???
Tranny pan, not required, but a little dab of gasket varnish on the pan is often helpfull..just to keep the gasket in place while getting the pan back on.

Oil pan, not required around the perimeter, but I would recommend a dab of RTV on the block where the timing cover meets the block and same on the back where the rear cover meets the block. Clean surfaces with acetone or mineral spirits to remove any oil before the RTV goes on.

Valve covers, clean the surfaces and use the rubber O-ring style gasket. No RTV or sealant required.
clm2112 is offline   Reply With Quote
Old 03-01-2007, 09:13 PM   #4
Senior Member
True Car Nut
 
Join Date: Mar 2005
Posts: 2,688
Thanks: 0
Thanked 0 Times in 0 Posts
dillcc is on a distinguished road
Default

Isn't it possible to even reuse the trans pan gasket? (assuming it isn't messed up)
dillcc is offline   Reply With Quote
Old 03-01-2007, 10:54 PM   #5
Junior Member
 
Join Date: May 2006
Location: BonnevilleHell
Posts: 0
Thanks: 0
Thanked 0 Times in 0 Posts
clm2112 is on a distinguished road
Default

Quote:
Originally Posted by dillcc
Isn't it possible to even reuse the trans pan gasket? (assuming it isn't messed up)
Probably if it is in good shape, but why risk it. The replacement filter usually comes with the gasket, no point in not using a new gasket on the pan. Most of the pan gaskets I've seen get brittle after being soaked in hot ATF and don't come off clean.
clm2112 is offline   Reply With Quote
Old 03-01-2007, 11:34 PM   #6
Senior Member
Posts like a Northstar
 
Join Date: Sep 2006
Location: Dumfries, Virginia Member: #6887
Posts: 577
Thanks: 0
Thanked 0 Times in 0 Posts
whitecrystal1 is on a distinguished road
Default

Quote:
Originally Posted by clm2112
Quote:
Originally Posted by dillcc
Isn't it possible to even reuse the trans pan gasket? (assuming it isn't messed up)
Probably if it is in good shape, but why risk it. The replacement filter usually comes with the gasket, no point in not using a new gasket on the pan. Most of the pan gaskets I've seen get brittle after being soaked in hot ATF and don't come off clean.
When I've bought my filters for my 95 at my dealer they didn't come with one, they said it'* reuseable. I reasued mine until I got to 205K when I had my dealer do the last service and they only replaced it because I ask them to. It never leaked or anything I just figured it would be a good idea to go ahead and replace it, the car was 11years old with 205K miles. I think it cost me around $40 plus the filter.
whitecrystal1 is offline   Reply With Quote
Old 03-02-2007, 08:05 AM   #7
DINOSAURUS BOOSTUS

Expert Gearhead
 
BillBoost37's Avatar
 
Join Date: Mar 2005
Location: Enfield, CT
Posts: 41,391
Thanks: 0
Thanked 0 Times in 0 Posts
BillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of lightBillBoost37 is a glorious beacon of light
Default

The reason why the dealer trans kit doesn't come with a gasket is because the original trans pan gasket from GM is a lifetime gasket and 100% reusable if it'* in good shape. This gasket is such high quality that you should never have to replace it.

Typically metal with rubber inlaid, it is a much better choice over cork or pure rubber.
BillBoost37 is offline   Reply With Quote
Old 03-02-2007, 01:58 PM   #8
Senior Member
Certified GM nut
 
Join Date: Feb 2004
Location: CT
Posts: 2,099
Thanks: 0
Thanked 1 Time in 1 Post
SSEBONNE4EVA is on a distinguished road
Default gasket

Agreed. Reuse the original gasket if its in good shape.
SSEBONNE4EVA is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
Longest lasting wax/sealer? theJMFC Detailing & Appearance 20 11-02-2005 06:07 PM
not good. NOT GOOD. (hit and run, not bad-BAD, but not good) repinS General GM Chat 13 11-26-2004 11:35 AM
Anyone add coolant sealer? anthonyv62 General GM Chat 5 06-01-2003 03:18 PM
USING SEALER ON INTAKE MANIFOLD? RZJNVB 1992-1999 22 02-08-2003 05:42 PM


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -4. The time now is 10:44 AM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.