On a saloon they can leak through the rear light clusters where the foam gaskets are knackered, or I’ve seen them leak at the boot hinges, where the bolts just need a slight nick to tighten them back up, I’ve also seen them leak at the clips that hold the rear screen surround in, and on tourer I’ve also found them leak along the chrome waist trim on the inside where they clip in and have plastic nuts that hold them in place.
This stuff works brilliantly on a lot of the small leaks, I’ve used it more times than I can remember on customers 75 & ZT’s and on my own too
https://rover.ebay.com/rover/0/0/0?m...2F362685251345
Mick