Weatherstripping Installation

Weatherstripping Installation

June 28, 2015 – Weatherstripping Installation

The first thing I did when the Mustang came home was pet it lovingly.  The second thing I did was install the trunk weatherstripping.  Having watched several videos (and having read the instructions), I felt pretty confident I could tackle the trunk weatherstripping installation without too much trouble.  Indeed, it only took me about an hour and a half from start to finish to install the weatherstripping, so if you’re contemplating replacing weatherstripping, there’s no reason to put it off.

The hardest part of weatherstripping installation is being stingy with the adhesive; you don’t want to put on too much.  Think of weatherstripping adhesive as more like contact cement.  The CJ Pony Parts video below was very informative, but it shows using more adhesive than you probably need to.  A better method, the one that was most effective for me, was to apply a thin bead to both parts (the rubber and the metal panel) and spread it out with a stick.  Let the adhesive on both parts become tacky, then apply another thin bead on one part and spread it out, then immediately join the two.  It acts just like contact cement; where you put it, that’s where it’s gonna stay.

The only issue I had was that my tail light panel doesn’t seem to quite line up with where the weatherstrip should touch.  I may need to pull the weatherstripping off the back edge of the trunk lid and move it further in so that I can get a good seal.  I won’t know until I install the trunk latch and striker, both of which have temporarily gone missing in my stack of garbage in the garage.  In any case, the weatherstripping adhesive needs to cure for about 24 hours before I can put much pressure on it, so I’ll leave that decision for another day.