Deck below rear window

[bollotti]

having removed all trim around rear window, I have what looks like a mixture of black mastic and what feels like draught excluder foam. I have cleared this off, so back to bare metal. What material would have been/should be used in this area. It is covered by chrome trim, so cannot be seen, but want to do it right.

I suspect the foam was used to bring the trim level. Thanks

 

[Davea Lux]

having removed all trim around rear window, I have what looks like a mixture of black mastic and what feels like draught excluder foam. I have cleared this off, so back to bare metal. What material would have been/should be used in this area. It is covered by chrome trim, so cannot be seen, but want to do it right.

I suspect the foam was used to bring the trim level. Thanks

Could have been "leveling", but more likely it was a field expedient to stop a water leak around the window. As long as you have the trim off, this would be a good time to pull the rear window and reseal it. C Bodies were famous for water leaks at the corners of the rear window and the pinch welds at the body seams in the window channel.

Dave

 

[bollotti]

The rear window just looks like it is attached with adhesive, so just a case of cutting round with a sharp blade?

 

[Davea Lux]

The rear window just looks like it is attached with adhesive, so just a case of cutting round with a sharp blade?

Yes, it is glued in.

Dave

 

[Davea Lux]

The rear window just looks like it is attached with adhesive, so just a case of cutting round with a sharp blade?

When cutting, keep the sharp tool off of the edge of the glass, tempered glass, like your rear window, gets more brittle with the passage of time. A tool strike on one the edges of the glass can cause it to shatter. Very messy and a lot of these rear glass panels are hard to find.

Dave

 

[bollotti]

When cutting, keep the sharp tool off of the edge of the glass, tempered glass, like your rear window, gets more brittle with the passage of time. A tool strike on one the edges of the glass can cause it to shatter. Very messy and a lot of these rear glass panels are hard to find.

Dave

might just leave alone then. I'll tidy up and see what trim looks like and decide if it needs to be repacked.

 

[Davea Lux]

might just leave alone then. I'll tidy up and see what trim looks like and decide if it needs to be repacked.

One way you can test for leaks is to put a soap solution around the edge of the glass, then get inside with a hair dryer set on cold and see if you can get the sealed edge to blow bubbles any place. Should pull the inside trim for this test.

Dave

 

[78Brougham]

Call SafeLite or another windshield company and have them do it. Ask at a local body shop who is good and reasonable. Be worth every penny to have it done professionally. Sometimes you got know when to fold them.

 

[3C's & a D?]

I would suggest removing and reinstalling it. If you're not comfortable doing the job, find someone who is, as suggested above. The factory used butyl tape which, over the years succumbs to heat and gravity. The butyl will slowly compress and drip/draw towards the bottom which leads to leaks, and the glass will actually be lower in the channel than it should be.