🛠️ Member Build Roof rack upgrade (1 Viewer)

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maorodri82

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Jan 20, 2026
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Hey there,
I bought a arb base rack and got it delivered yesterday . I started installation by removing the bolts which held the standard rails. I have a gx 550 p+ and came with no rack. Arb send these bolts with some blue materials (assuming is loctite). I noticed that the bolts were having resistance to screw all the way down and thought it was because of the loctite. I proceeded but I noticed the plastic sleeve and insert that would allow the bolt to screw in came loose and basically fell. See pictures. What’s a good approach to this installation? Rivets? Did any of you encounter this issue upon upgrading their roof rack?
 

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That headliner looks like a complicated thing to do. Why rivets aren’t advisable? I saw this video and it looks even sturdier than what it is installed inside. I reached out to Lexus for advice but hadn’t heard yet from them.
 
That headliner looks like a complicated thing to do. Why rivets aren’t advisable? I saw this video and it looks even sturdier than what it is installed inside. I reached out to Lexus for advice but hadn’t heard yet from them.
Coming from a collision refinishing background and even service writing in a dealership for many years. Drilling into your rain gutters for rivets just opens a whole can of worms. No mater how much seam sealant or goop you put up there you’re going to have potential for water leaks. If that happens a dealership won’t want to touch it and if they do it will all be out of pocket because they’ll blame that. Just my opinion though
 
you are going to need to get into the headliner to fix that. I've uninstalled the rails a couple times already and haven't had that issue, although I was warned it could happen.

rivets would not be an advisable solution.
One thing the instructions don’t tell you is to use a special bit to clean the left over gunks of luctait from the oem bolt. After cleaning every single one the arb bolts screwed in no problem. I ended up inserting rivet nuts in two holes
 

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Hey there,
I bought a arb base rack and got it delivered yesterday . I started installation by removing the bolts which held the standard rails. I have a gx 550 p+ and came with no rack. Arb send these bolts with some blue materials (assuming is loctite). I noticed that the bolts were having resistance to screw all the way down and thought it was because of the loctite. I proceeded but I noticed the plastic sleeve and insert that would allow the bolt to screw in came loose and basically fell. See pictures. What’s a good approach to this installation? Rivets? Did any of you encounter this issue upon upgrading their roof rack?
I like your wheels, what are they?
 
I had a similar issue and a leak appeared a few month later on the driver side. Just periodically check for moisture after heavy rains.
 

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