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Discussion Starter · #1 · (Edited)
1969 Firebird 400 convertible 4-speed -- an unrestored, numbers-matching, factory original in VERY good "daily driver" condition. Everything on the PHS docs matches what's in the car now, and everything still works, including the factory 8-Track tape player. The car also has all four of its factory body vibration dampers.

So here’s the problem: I recently got a new convertible top professionally installed by a local custom interior/ convertible top specialist guy with decades of excellent reputation.

But now while I'm driving, the convertible top creaks & clicks VERY loudly. I cannot pinpoint the EXACT location, but it's very near the top and A-Pillar mating area, near the driver's side roof latch.

Both door's windows are rolled down; so they're not a causative factor.

And there is ZERO creaking & clicking noise when the top is down, so it's definitely caused by the top, mating with the A-Pillar / roof latch / windshield frame. I haven't figured out the exact cause yet.

Granted, it's a 53-year old car with many rattles when driving, but the roof never made that EXTREMELY loud and pretty much non-stop (and annoying) creaking / clicking noise before I had the new top installed.

Clue: When I press upward on the outer edge of the top's frame on the driver's side, near the A-pillar, I can ALMOST eliminate the creaking / clicking noise while I'm pressing the top's side frame upward.

But then I tried loosening the latch pin (but no change to the creaking / clicking noise), and I also tried tightening the latch pin, (but no change to the creaking / clicking noise), while the car is moving.

I have a copy of GM's "Convertible Top Windnoise and Waterleak Repair" book ( # 22002.55-1 ) but it didn’t address this problem. Likewise the 1969 PONTIAC SERVICE MANUAL (847 pages), and the 1969 FISHER BODY SERVICE MANUAL (693 pages) (Section 13, "Folding Top") were no help, either.

I found some suggestions on other cars' forums (not GM cars) that suggested the cause is friction between convertible top's seal and the windshield, or at the latch hook pin and the windshield's frame.

Those same forums also suggested: (1) putting a rubber grommet on the latch hook pin; (2) silicone lubing the latch hook pin and its landing point; (3) the Mercedes forum says to replace the rubber roof seal strip or else lubricate it with Mercedes' special lube. I'll try (1) and (2). As for #(3), my Firebird does not and did not have a rubber roof front seal strip, either before, or now. (Is there supposed to be one?)

Does anyone here have any ideas?
 

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I don't have an answer for you but........I personally respect you for the fact you actually consulted/bought/borrowed or otherwise located the Service and Body Manuals for your vehicle to research your issue. MOST folks don't. Bravo!
 

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DELCO NERD
1993 Pontiac Firebird Trans Am, LT1 5.7L V8
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Have you taken it back to the shop that re-did the top?
 

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I have a 67 convertible with a similar issue that I just can't pinpoint. My top was fairly new when I bought the car almost 7 years ago. I will be following this thread closely to see if anyone provides a solution.
 

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Discussion Starter · #5 ·
Have you taken it back to the shop that re-did the top?
I will, if I can't figure it out on my own, with this forum's help, of course. I "DIY" whenever I can - it's part of the hobby, and for the enjoyment of tinkering and saying "I fixed that." I'm probably not the first Firebird owner who had this happen, and I'd rather seek advice from other owners, so I can learn more about my car.
 
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