Help: Hatch Handle Melted

ive seen bugspray do some gnarly damage to plastics before too



Exactly this, I have had 95% deet backwoods bug spray break open in a pocket and completely melt a compass.

Also I'm in El Paso and haven't had an issue with the rubber cover. I'll go look after breakfast.


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That is not OEM, but looks like it will work...

Can anybody verify the OEM part? I saw this online, but can't really tell if it is the right thing...

GARNISH, BACK DOOR, OUTSIDE NO.2
Part Number: 7681235020

you are looking for the button right? i ordered it and it came as a whole replacement assembly toyota part number 84840-35010. i got it for $35 off amazon (i think the price may have gone up though).

conversation about melted hatch button and part number can be found here: Window Weatherstripping Replacement

install was easy. you have to get at it from inside the hatch though. So open the hatch, remove the trim panel, unplug the lights, then take off this assembly that sits inside the hatch, fight with the little covering with butyl rubber seal around it (stickiest, gooiest stuff known to me), and then undo all the bolts and the rear hatch garnish comes off the exterior and you can get at the button from there.

Remove old button, replace, plug in, then reinstall all the interior hatch stuff and you are good to go. took me maybe an hr or 2 at most, and most of that time was spent messing with that stupid cover and locking myself in the hatch once and having to read the manual to get the rear hatch overriden to unlock.
 
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From factory the only way to get that rubber piece is with the switch unfortunately, this issue has been happening since 2006 prius' because it is the same switch essentially with the same rubber cover. SO Toyota wont do anything about it.
 
Thanks everybody. What I need is just the rubber piece. I will try the one on Amazon first. If it doesn't work, I will check back here. Love this forum!
 
I had the same issue on my 2010 4Runner and used one on Amazon for $18.95. Used latex gloves and paper towels and goo-gone to clean melted rubber off the switch. Worked well and didnt have to do anything but remove the 2 screws that hold the switch in place. I would recomend this even though it takes some cleaning just so you dont accidentally break the chrome garnish and find yourself spending more money to replace that also.
 
Tacky Melting Hatch Release Cover

Replaced my hatch switch cover that was melting away, I bought the 2010 Trail used and don't know what caused this cover to melt into goo. I bought the cover from Amazon previously mentioned and a Neiko screwdriver for close quarters. After removing two Philips screws I proceeded to scrape away the goo with a wooden finger nail stick. After a lot of scraping I used some Goo Gone to wipe away some residue. The amount of melted rubber was about 100 percent, I recommend attending to this at the first sign of a tacky feeling. Replacing it earlier would have been so much less effort. Once enough residue is removed along with the two screws the switch assembly can be pryed out at the screw hole area. Once switch is out I had maybe a half inch of slack in the pair of wires, too bad there was not more and perhaps the connector for an easier complete replacement.
I think you could replace the complete switch if you have splicing connectors small enough to fit back into access hole.
Make sure you apply painters tape in the work area to protect from scratches and goo flinging.
Replacement instructions are at , IE Works
At the ieworks usa site look for Toyota Lexus Scion video.

If that link is a problem here is a YouTube link of same video: YouTube

Considering the time it took , with 5 pairs glove, 1/2 can goo gone, tape , spudgers , tool and part, I probably have about 30-35 dollars into it. I'll seriously consider a new complete switch if there is a next time and splice wires from outside.
Of course the bargain repair would be a piece of cellophane box tape laid over the old cover which you would never see anyway.
Sorry about the fuzzy photos, a one handed camera shot.
 

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Its like 115 here in Phoenix and no issues here, none that I know of

Yep, 115 and above, and in the summer it seldom gets below 100 F for a high on a daily basis.

So I am having trouble believing rubber is melting from the heat where the OP lives. If the ambient temp gets high enough to melt that rubber part, all the rubber parts on your vehicle should be melting and humans could not survive that temp.

There must be something else causing that part to deteriorate. Thanks for posting this--I had no idea this was a problem. Looks like flimsy low grade part on expensive vehicle strikes again! . I know rubber parts deteriorate with age but this seems like it is happening too quickly.

Also thanks to hrod79 and gary419 for info on solution to this problem.
 
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I just replaced my liftgate switch. I wish someone had posted that the top of the garnish pulls straight out because I broke that part lifting up and out. I glued it back together and it seems fine, but still.

The other surprise was that all six nuts holding the garnish were less than hand tight. I could tell from the plastic sheeting that nobody had been in there before. This was a factory lapse. Bad quality control.
 
I just replaced my liftgate switch. I wish someone had posted that the top of the garnish pulls straight out because I broke that part lifting up and out. I glued it back together and it seems fine, but still.

The other surprise was that all six nuts holding the garnish were less than hand tight. I could tell from the plastic sheeting that nobody had been in there before. This was a factory lapse. Bad quality control.

Sorry to hear you broke a part, in the previous posts only the rubber cover was replaced from the outside due to rubber melting. If the switch was defective I could see getting into the door panel but I would try replacement from the outside first. Only 2 screws.
 
Rubber can do weird stuff in heat.

I noticed that the game console rubber ends were "melting". Basically gets sticky - It's called reversion. I was able to clean it up with some friction and Simple Green.

You might be able to clean it. Here is one method use at your own risk
How to Clean Sticky Rubber : 4 Steps (with Pictures) - Instructables x`

If you google clean sticky rubber you will see a bunch of other methods with baking soda too.

Similar post from 4th gen.
Rear hatch opener melted! - Toyota 4Runner Forum - Largest 4Runner Forum
 
I don't think this is a defective rubber... I think the other guys were right saying it is caused by sunscreen and or bug spray. Both will deteriorate rubber, plastics...
 
Does the rubber piece have to be replaced? In other words, can you just clean off the sticky mess and leave it like that? Yes, I am having the same issue but would rather not replace it with another piece of rubber that is going to do the same thing.
 
Rubber can do weird stuff in heat.

I noticed that the game console rubber ends were "melting". Basically gets sticky - It's called reversion. I was able to clean it up with some friction and Simple Green.

You might be able to clean it. Here is one method use at your own risk
How to Clean Sticky Rubber : 4 Steps (with Pictures) - Instructables x`

If you google clean sticky rubber you will see a bunch of other methods with baking soda too.

Similar post from 4th gen.
Rear hatch opener melted! - Toyota 4Runner Forum - Largest 4Runner Forum

Thanks - when you say you were able to clean it up, do you mean you were able to remove the rubber completely?
 

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