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I replaced all the roof rack grommets and roof slats. I took the truck through the car wash and while going the drying stage, a couple drops came through the slat screws. Should I try for no leaks, or is that acceptable? The grommets seems fine. But the slat system seems flawed.
I wouldn't consider it acceptable but I din't know the fix. What did you seal the slat holes with? I can't believe the original plastic combo plastic insulator/insert didn't leak from day one.
Maybe a blob of sillycone?
Sic friatur crustulum
'84 GW with Nissan SD33T, early Chev NV4500, 300, narrowed Ford reverse 44, narrowed Ford 60, SOA/reversed shackle in fornt, lowered mount/flipped shackle in rear.
There is a special part to secure those slats, called a "sealed screw." They have a Jeep Corp part number, so they are not generic hardware. My book does not cover 1988; you could look them up in the parts catalog that covers 1988 on the Tom Collins site. Extraordinarily unlikely you will find them today under their Jeep PN.
I remember the dealership installing a very few of these racks for customers whose Jeeps did not come with them. I don't see any "kit" of the rack complete; they could have ordered all the pieces separately. If a customer had a complaint about leaking, likely they would have ordered the well nuts and screws and replaced them all. I know we stocked the well nuts, but I don't recall the screws.
Possible you could put an o-ring under each screw head, along with some sealant on the hole. WIthout the sealed screw, I expect water could enter around the screw head and down the threads. https://www.digikey.com/en/product-high ... ing-screws
Tim Reese
Maine beekeeper's truck: '77 J10 LWB, 258/T15/D20/3.54 bone stock, low options (delete radio), PS/PDB, hubcaps.
Browless and proud: '82 J20 360/T18/NP208/3.73, Destination A/Ts, 7600 GVWR
Copper Polly: '75 CJ-6, 304/T15, PS, BFG KM2s, soft top
GTI without the badges: '95 VW Golf Sport 2000cc 2D
Dual Everything: '15 Chryco Jeep Cherokee KL Trailhawk, ECO Green
Blockchain the vote.
You're better off using a good caulk rather than silicone and wrap the screws with teflon tape to mimic the sealed screws. Those screws had some sort of sealer on them and they worked good.