Hi Stacey,
Thanks for reaching out and for the additional details.
The location you described is actually very helpful. Since the leak is
coming from the top of the rear driver's-side door rather than the
windshield side, it points to a sealing issue around the upper rear door
opening rather than the front A-pillar area.
On JL Wranglers, it's common for water to enter at the upper rear corner of
the door opening where the roof, rear door seal, and body seals intersect.
Even a very small gap in this area can allow water to enter during rain,
washing, or while driving. Once water gets past the seal, it often travels
along the weatherstripping before dripping into the cabin, making the leak
appear larger than the actual entry point.
The root cause comes down to the factory sealing design. Unlike most
vehicles on the road today, Jeep Wranglers do not have a proper body-side
sealing surface. Instead, the door seals are trying to compress directly
against painted metal. Since painted metal is not a consistent sealing
surface, small gaps can develop around the door openings, including the
upper rear corners, allowing water intrusion.
Even though the factory seals may appear to be in good condition, the issue
is usually not the seals themselves—it’s the lack of a proper gasketed
sealing surface for them to compress against. That's why many Wrangler
owners continue experiencing leaks even after adjustments or seal
replacements.
The most effective long-term solution is adding a Jeep-specific leak fix
kit with body-side weatherstripping. This creates the missing sealing
surface the factory design lacks, allowing the seals to compress evenly and
consistently. Once installed, it eliminates the gaps and resolves the water
intrusion issue at its source.
Below is a link to the leak fix kit that will solve your issues.
If you have any additional questions, feel free to reply to this email or
contact me directly.
Best regards,
Tony
828-591-0302
On Thu, Jun 11, 2026, 1:56 AM JeepLeakFix Submissions
wrote:
For this 2020 JL, the kit I'd reach for is the JL Leak Fix Kit.
Discussion
Comments coming soon.