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View Full Version : Best way to seal tail lights?

Dman II-40
10-13-2009, 03:08 PM
So it is raining really bad in CA right now. When I get out of class I go to my car and find a nice 3 inches of water in my spare tire compartment!!! I located the leak at the passenger side tail light seal. I cleaned off both surfaces, now I need to re-seal it.

What is the best product to use? (I want it to stay tacky like the original, not harden like M3 window weld.)
duffman1278
10-13-2009, 03:08 PM
Butyl tape
Bushido
10-13-2009, 03:26 PM
^ you can get it at a dealership
nothix
10-13-2009, 03:29 PM
you can buy new sealing pads from courtesy parts, or just use silicone
ZX88
10-13-2009, 03:32 PM
dum dum paste
94_240sx
10-13-2009, 03:36 PM
dum dum paste

dum dum=butyl rubber

Great stuff, but very hard to remove in winter and messy to deal with in summer.
projectRDM
10-13-2009, 04:09 PM
What they all said. OE butyl rubber, about $12 a roll.
Dman II-40
10-13-2009, 04:12 PM
I'm at a pepboys and just went to autozone and they never heard of the stuff (generally they don't know shit anyway).
ayuaddict
10-13-2009, 04:14 PM
how about good old RTV or something similar?

easy to cut with a razor if necessary, seals well if left alone.

why would you want that gorilla jizz that comes stock?
Tom25666
10-13-2009, 04:27 PM
yep, i used buytl at first and it kept leaking so i used some clear silicone and no more problem.
S14DB
10-13-2009, 04:32 PM
Nissan's sealing tape is the best in the industry. I would just buy some instead of trying to reinvent the wheel
g6civcx
10-13-2009, 04:33 PM
$20 of buty tape from the dealer is enough to do 2 cars and still have leftover.
TommyGun
10-13-2009, 05:14 PM
just sealed up my friends te72's tails last night with some stuff from monument (they're in a couple spots around the bay area) ill axk him how it held up
Dman II-40
10-13-2009, 05:24 PM
I ended up getting this stuff it is a 3M product. It is 1ft long strips of caulk that doesn't dry. We will see if it works. I called the dealership and they would have to order it.
singlecamslam
10-13-2009, 05:36 PM
i used window sealent, works like a charm. Probably never gonna get the tailights off now. You can also use strip caulk, they sell them at paint stores.
hOngsterr
10-13-2009, 05:42 PM
Butyl tape
+1

i used window sealent, works like a charm. Probably never gonna get the tailights off now. You can also use strip caulk, they sell them at paint stores.

same here, i went with a window sealant,
look on the back what is in it and it says butyl something,
i got it at autozone.

black stuff rolled up,
too bad dealer didnt have it.
and it came out to be like 12 ish.
Dman II-40
10-13-2009, 07:51 PM
Yea i just got that strip caulk. Tested it with a couple cups full of water and it looked like it worked. If it fails on me I will just get the OE thing ordered. Now just have to let my trunk dry out. Thank for your help guys, greatly appreciated.
Spring Break '92
10-13-2009, 11:16 PM
I had used some black windshield silicone on the inside of the car, which I don't recommend. I actually still had the tails leak too. Fail. i have different tails now though.
zenki.life
10-14-2009, 03:15 AM
yep everyone has answer correctly
Enna
10-14-2009, 07:54 AM
I could've sworn this thread said "best way to steal tail lights?".
rican_nick
10-14-2009, 08:41 AM
Nissan PN's for butyl...clean everything up nicely before installing or it can leak ..obviously.

http://www.skylinesaustralia.com/forums/uploads/1153113700/gallery_1486_103_16906.jpg
http://www.skylinesaustralia.com/forums/uploads/1153113700/gallery_1486_103_12316.jpg
blackrms13
10-14-2009, 07:45 PM
Nissan PN's for butyl...clean everything up nicely before installing or it can leak ..obviously.

B6553-89915


OMG, thank you for the picture!!!

saved me so much time to look for the part number/explain to the ppl at the dealer...
hOngsterr
10-14-2009, 08:06 PM
haha when i installed my koukis, and since it was raining i checked if my hatch was still leaking and it was.
i went crazy cause i packed that shit into the tails and cleaned them clean!.

then with a bucket of water i found out where it was leaking from,
the weather stripping lol. pulled it out and saw this lil crack and i just used some leftover sealant and packed it all up again =]

so im good now
MR209
03-01-2017, 12:45 PM
Since it's been 7.5 years, I figured I would post for an update on how the different sealants are working for you guys. The tail-lights on my hatch are still leaking after installing new tail-lights that included foam strips pre-adhesed to the lights.
I just got off the phone with Central Valley Nissan in Modesto and they wanted "43.95 a piece" for a roll of B6553-89915. Courtesy Nissan's website lists 43.69.
I looked it up on Fontana Nissan's website and they want 34.95, so that is a much better price.
What do you guys think about using the OEM roll of Butyl Sealer vs Mortite vs Black RTV vs just shooting a tube of window caulking between the tail lights and body when installing?(Probably not the last two options).
I am going to check out Lowes and see if they have rolls of "Mortite" Weatherstrip and Caulking Cord. http://www.frostking.com/mortite-caulking-cord/

i went with a window sealant,
look on the back what is in it and it says butyl something,
i got it at autozone.
black stuff rolled up,
too bad dealer didnt have it.
and it came out to be like 12 ish.
I would ultimately like to find a roll of Butyl Sealer from Oreilly's/Autozone like hOngsterr did, but I tried Oreilly's and they didn't have anything other than a roll of foam weatherstrip. Next I will try AutoZone.