Condensate in rear light clusters

[Sin_Chase]

I noted yesterday that there is condensate within both light clusters located on the rear hatch but not those in the rear wings.

Quite a notable amount collected in the uppe area with large droplets formed.

I am aware condensate in the headlights is normal behaviour but rear clusters not so much.

It may be linked to the TSB work completed to rectify leaking into the rear hatch. That was a few months ago now and the leak issue was resolved.

Anyone else experienced similar? Thinking perhaps some seals were not reinstalled correctly.

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[RickMachE]

There is a TSB that specifically addresses this, may be the same one you referenced.

 

[Sin_Chase]

There is a TSB that specifically addresses this, may be the same one you referenced.

Ive had the water ingress into lift gate TSB done and it likely is related.

I presumed however that the issue was a lack of seal between cluster and lift gate but the clusters would otherwise be sealed around the cable entry points. Little baffled as to how water would get into the clusters unless there is no sealing of them them specifically.

 

[RickMachE]

From the TSB:

1. Remove the liftgate mounted rear lamp assemblies. Refer to Workshop Manual (WSM), Section 417-01 > Removal And Installation > Rear Lamp Assembly > Liftgate Mounted Rear Lamp Assemblies.

2. Determine which lamp cavity has been leaking by inspecting for water trace. (Figures 1-2)

3. Using butyl sealant tape, create a bead around the lamp cavity where the leak was present. (Figure 3)

4. Reinstall the liftgate mounted rear lamp assemblies.

https://www.macheforum.com/site/thr...iftgate-built-on-or-before-01-july-2021.9572/

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