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Discussion Starter #1
Hello from a newbie member from a very wet and cold UK! I've owned my 2008 SRT8 now for 6 years - they were never officially sold here, so all that are were shipped over either as personal imports or by specialist importers. They are pretty rare here. I discovered the well-known issue about rear quarter and rocker-panel rust some time back and despite all of my best efforts, I now too have the dreaded tin worm. Its at the body shop right now - and whilst replacement steel can be fabricated for the rear quarters (its only an issue behind the doors, from the rocker panel up about 12" so metal can be relatively easily fabricated I have been told), the damned foam extends the length of the rockers - when you put your finger through the holes for mounting the covers you can feel its soaked - so the bodyshop has suggested cutting out the rockers (the only way to really access the foam remove it (as they will in the quarters), replace the rockers themselves, leaving them hollow (NO foam!) and then use plenty of cavity wax in the rockers and the rear quarters. I have two really key questions - 1 Where is the damp getting in from? (I've heard about an "airgap" but there's nowhere obvious I can see where its getting in other than the holes for the moulding panel? And 2 - can somebody PLEASE advise me which part numbers I need for the rockers themselves - and who they can recommend to supply them? They would need to be shipped to the UK also (obviously). I have got very confused with "inner and outer" panels - I'm assuming (?!) I'll need the outers?? Both sides unfortunately. ANY help would be REALLY appreciated - I'm out on a limb here a long way from help!! Thanks
 

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Here's the part #'s
5112896AD Rocker Reinforced, Right
5112897AD Rocker Reinforced, Left

5112875AB Inner Rocker, Left
5112874AB Inner Rocker, Right

The inner rocker is probably the part that is attached to the floorpan - if there was a side impact it would be likely that those would be replaced to restore the structure.

Most of the repairs I've seen posted appear to be the outer rocker

often the cause is water getting in from the (rear) wheel well area and the foam gets soaked - its prevalent in areas where the roads are salted for snow in winter.
 

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Discussion Starter #3
That sounds like good advice. I'm planning to take a deep breath in around 12 months and import a Hellcat Widebody - probably a 2018 - but it sounds as though the same problem will exist on that? They are STILL injecting expanding foam?! I'll get a few quotes for the outer panels you kindly listed - any known suppliers who are reliable would be appreciated! Thanks again - really helpful.
 

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the body is built in the same manner - the rockers still have the injected foam
 

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Discussion Starter #5
It is genuinely putting me off getting another one - much as I love the car. Over here it rains a lot (feels like ALL the time) and they use a lot of salt and grit during the Winter. The next one would be my keeper till the grave - I definitely DO NOT want the same issue in 7 or 8 years time. Maybe getting busy with sealer anywhere it looks like it might get in is the answer. I've seen other threads on here where the holes in the rockers for the moulding have been sealed and replaced with double-sided tape or sealant. And around the top edges of the plastic moulding itself to water can't get underneath. Little point in cavity waxing either rockers or quarters though - the foam would stop the wax spraying out in there anyway :(
 

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It is genuinely putting me off getting another one - much as I love the car. Over here it rains a lot (feels like ALL the time) and they use a lot of salt and grit during the Winter. The next one would be my keeper till the grave - I definitely DO NOT want the same issue in 7 or 8 years time. Maybe getting busy with sealer anywhere it looks like it might get in is the answer. I've seen other threads on here where the holes in the rockers for the moulding have been sealed and replaced with double-sided tape or sealant. And around the top edges of the plastic moulding itself to water can't get underneath. Little point in cavity waxing either rockers or quarters though - the foam would stop the wax spraying out in there anyway :(
FCA was aware of the issue and addressed it during the 2015 refresh. I think you can rest assured a 2018 will be a lot less susceptible to the dreaded rust issue. I believe FCA changed something where the inner wheel well liners attach to the metal.
 

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Discussion Starter #7
FCA was aware of the issue and addressed it during the 2015 refresh. I think you can rest assured a 2018 will be a lot less susceptible to the dreaded rust issue. I believe FCA changed something where the inner wheel well liners attach to the metal.
I am (partly!) convinced! :rolleyes: Is that where the water gets in on earlier models like mine then?
 

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That’s my understanding Paul. Hasn’t been that long since the 2015 refresh but haven’t heard of any issues with the newer cars yet.

Could always get a wrap like this one. Nobody will even notice lol.

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You could also look into a lubricant like krown or a competitor of theres very good at preventing rust. It's a oil based product stays fluid. The down side to it is that grime will stick underneath your car and have to reapply once a year. But it's still better than a rusted out challenger.
 
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