Leak Under Glove Box (1 Viewer)

[Munson]

I have a 2021 LC and noticed water on the floor mat under the driver’s side glove box. It rained a lot last night. I had the windshield replaced about two years ago at a Lexus dealership and did not notice any leaking until now. Could this be anything other than a windshield issue? I have noticed the ac smells musty when run. Could this be an ac issue? Clogged drain? Thanks for any input!

 

[KLF]

This is the infamous cowl leak. There's a thread here somewhere with how to fix.

 

[Kinnada]

agree likely cowl issue. was either not replaced with the windshield install or the the cowl not installed correctly (possible broken tabs)

 

[Munson]

Thank you! Found some threads. Will start there.

 

[bloc]

I would strongly advise pulling the door sill trim on that side and removing any water that has collected around the wiring harness and connectors.

There may not be any, but if there is it can damage your floor harness, and it is quite expensive.

 

[Munson]

The cabin air filter is soaked.

 

[bloc]

The cabin air filter is soaked.

Makes sense. The water leaks along the bottom of the plastic cowl cover into the fresh air inlet for the AC, which is directly above the cabin filter. It then drips down through the AC system into your floor board.

 

[2021 LC200]

Whenever I have to replace a front windshield (no need yet, knock on wood!) i will install a DIY deflector over the HVAC inlet, as shown in the linke below or similar.

Cowl part# help please, for the passenger foot well leak

My 2008 has the footwell leak. My weather-strip fix only worked for a while and I'm finally ready to give in and get the replacement cowl. There are numerous different part numbers quoted in the various posts. Part # 55708-60091 is much cheaper than 55708-60101. I've seen conflicting...

forum.ih8mud.com

 

[Munson]

Whenever I have to replace a front windshield (not need yet, knock on wood!) i will install a DIY deflector over the HVAC inlet, as shown in the linke below or similar.

Cowl part# help please, for the passenger foot well leak

My 2008 has the footwell leak. My weather-strip fix only worked for a while and I'm finally ready to give in and get the replacement cowl. There are numerous different part numbers quoted in the various posts. Part # 55708-60091 is much cheaper than 55708-60101. I've seen conflicting...

forum.ih8mud.com

 

[Munson]

Thank you all for your replies and all the helpful information. I specifically took it to the Lexus dealership knowing I would overpay for the peace of mind they would do it right. I assume they will deny they did anything wrong. Very frustrating.

 

[2021 LC200]

Regarding windshields I have found the smaller dedicated business to replacing the same is a good way to go.

Like A+ Autoglass in Houston with the owner Sean running it. He has done a good job installing replacement windows in our 2014 Q7 (sold) and BMW 535d, both as I recall with Pilkington per original OEM, yet without the VAG or BMW logo. Talking and watching him and seeing the result. he seems knowledgeable.

Now when I need to replace my LC200 windshield I would drive to him and ask him how he is going to do the job specific to the 200 series and what parts he plans to replace.

The key things which stand out and I picked up from this forum and online:
1) Makes sure the rear view mirror and safety assist systems get set over properly
2) Vertical black moldings and especially the clips holding the moldings need replacement, including riveting of the same
3) Cowl needs to be remove in a certain sequence and manner - I would look it up again and ask/tell him what to watch for
4) Use an OEM windshield glass, without Toyota on it should be fine

 

[bloc]

2) Vertical black moldings and especially the clips holding the moldings need replacement, including riveting of the same

While the FSM specifies rivet replacement, no one really seems to do this on 200s and it doesn’t seem to be a problem. I do know the design of our rivets was updated, which could explain why it’s not needed for us but is considered best practice on the 100-series.

The white plastic clips that snap onto them and retain the molding trim do need to be sourced.

As for the trim itself, they at least need to have it on-hand. Some highly skilled techs can preserve it, but it’s a crap shoot.

 

[2021 LC200]

While the FSM specifies rivet replacement, no one really seems to do this on 200s and it doesn’t seem to be a problem. I do know the design of our rivets was updated, which could explain why it’s not needed for us but is considered best practice on the 100-series.

The white plastic clips that snap onto them and retain the molding trim do need to be sourced.

As for the trim itself, they at least need to have it on-hand. Some highly skilled techs can preserve it, but it’s a crap shoot.

Perfect, thanks much for the clear explanation

 

[coleAK]

The cabin air filter is soaked.

Given this I’ll say 99% certain you need a new cowl.