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Old 16th January 2020, 18:37   #1
The Mighty Quinn
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2004 mk1 Rover 75 1.8T Club SE saloon (auto)

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Default Aluminium rear bumper beam - Galvanic corrosion?

Having bumpers and trims all off the car at the moment, I'm coming across a few little corrosion issues.

See images attached of the rear bumper beam (removed from my car) - it's got some oxidisation around the bolt holes - presumably galvanic corrosion from where it's been touching the steel bolts?

Now, the corrosion isn't bad. But, is there an easy fix for this type of thing?

The only other place I've seen this on the car is where the aluminium part of the rear window seals touches the steel of the rear quarter-light upright (and turns most of the aluminium/seal to mush)

I'm thinking of lining all such areas/bolts with a good smear of red rubber grease (which is nice and tacky).


Cheers,
Karl.
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