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Radiator Support Concern
Gang, I may have some very disturbing news. I took my second 4th gen to get the lower support replaced and examined the one that was removed and it seems that the previous owner already replaced it with an OEM one. It has the third plate in it and it still rotted out. This is very disturbing as it is rotting from inside out. See the pics below..
http://forums.maxima.org/picture.php...ictureid=32731 http://forums.maxima.org/picture.php...ictureid=32730 http://forums.maxima.org/picture.php...ictureid=32729 Right now, I am thinking of a way to prevent this from happening again...:facepalm: |
Winter road salts wreak havoc on cars. Probably coating it with something (when you get our replacement) should help prolong it's lifespan.
Also, rinsing the underbody area of the car to knock off the road salts will help, too. |
Originally Posted by T_Behr904
(Post 8456594)
Winter road salts wreak havoc on cars. Probably coating it with something (when you get our replacement) should help prolong it's lifespan.
Also, rinsing the underbody area of the car to knock off the road salts will help, too. |
POR-15 and http://www.ruststop.net/ruststop%C2%AE-rs-5/
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i typicaly spray some touch-up paint (blue paint) helps out until i scrape the crossmember lol
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3 Attachment(s)
I replaced mine last year, cause the rust ate through mine
Attachment 49941 Attachment 49942 Attachment 49943 |
there is rust preventing wax that you can spray, which can also be sprayed inside the support. and all other kinds of undercoatings that can be sprayed to prolong its life.
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I spray painted mine
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i think you want to spray honeycoat in there. im about to replace mine and thats what i plan to do. if there is water not draining ill just drill some holes down there and coat the bare metal from where i drilled.
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What I am thinking of doing is spraying liquid foam inside of it from the drainhole in the middle of the support and let it fill out the entire inside of it. The body shop painted it already but I been thinking about this for a while and liquid foam is my best bet.
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Eastwood.com has a frame rust prevention coating and converter that works very well i used it after i did the support repair and mine will never rust out again i used 1/4" steel plates to replace the support and stainless hardware
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Originally Posted by SHIFT_maxboost
(Post 8457763)
i think you want to spray honeycoat in there. im about to replace mine and thats what i plan to do. if there is water not draining ill just drill some holes down there and coat the bare metal from where i drilled.
Its raining today. I am going to check if rainwater has collected in the lower radiator support when i get home from work and report back If i was you, i wdnt go poking a bunch of holes in the rad support. Each hole introduces a potential weak point for the radiator support. One or two shdnt hurt, but it could start to rust at that hole prematurely. Make sure to spray some rust inhitor or paint on the rad support if you decide to poke holes. |
Originally Posted by Trini Boom
(Post 8458230)
What I am thinking of doing is spraying liquid foam inside of it from the drainhole in the middle of the support and let it fill out the entire inside of it. The body shop painted it already but I been thinking about this for a while and liquid foam is my best bet.
If I ever see rust developing down the road I'll just touch it up again. To access the lower radiator support you just need to drop the engine shields and remove the bumper. |
Originally Posted by jholley
(Post 8459006)
When I installed a new OEM lower radiator support earlier this year I sprayed on several coats of rubberized coating on that new support. I also dropped the crossmember bar and t-bar and after wire brushing them I threw on rust converter and rubberized coating. I had thoughts of clogging the holes on this new support but I'm sure the rubber will keep it safe for several years.
If I ever see rust developing down the road I'll just touch it up again. To access the lower radiator support you just need to drop the engine shields and remove the bumper. |
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