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I have a slight bump on my dashboard. It's not too bad, but I'd like to fix it. I've tried to pop it down, but it doesn't work. Anyone else have something like this? Any advice?
Thinking of hitting it with a heat gun and putting weight on it to knock it down. Here's a horrible I phone pic:
It's a very common problem with 89-91 964's and I don't beleive there is an easy or reliable fix to it. I think Porsche added a metal plate into the hash top design to avoid it happening.
Thanks much! I wonder what a "time unit" is to Porsche peeps? 50 units translated minute/hours?
Anybody hesitate to guess what my local Porsche dealer is going to tell me when I show them the TSB that implies problem solved years before my MY? Perhaps I'll get them to revise their TSB.....
I had the same bump so I took off the top vent piece and put some gorilla glue under the bump. There is a thin metal piece I tried to get the glue on. I placed a very small piece of metal angle maybe 1/2"x 1/2" x 6" along the length of the bump and I then stuck a pry bar into the vent and pushed down on the pry bar which put pressure on the metal angle which pushed the dash bump down evenly along the thin piece of metal which had the glue on it. I used a small piece of rope tied to the pry bar and then tied the other end to a small weight to keep constant pressure on the angle thus holding the dash down. I let it sit overnight and it is so much better. Not perfect but close and when I replace the windshield I will redo it with plenty of room to work and I am sure I can get it perfect then. Was scared as hell I would crack the dash but it didn't.
I have that hump also. I was looking to fix it but it seems to have grown on me. All of the earlier 964s all seem to have it. Eventually I will get it fixed when I redo my interior.
Mine is a lot worse than the OP. Would love to repair/replace, but has yet to make it high enough on the priority list. Now that my engine is sorted, it may move up the list.
Hi everyone! Just for some back story. My car is a '91. My old dash had cracks and someone drilled holes to mount some brackets. It wasn't in the best shape but it didn't have this bump. I ended up jumping on a new 993 part numbered dash from Porsche with '89 spec vinyl. It was cheaper than a professional recover of my old dash (I got the last one in stock, and likely an old price).
I installed it myself and I just didn't think to check the alignment of the vent so after about a week I noticed it popped up (first pic). I tried to forget about it but after 6 weeks I decided to try fixing it since I spent the coin on a new dash and wanted to get it right.
I initially played around with some washer stacks. But, as they brought the vent forward they would add too much height and thus the vent didn't sit flush to the dash top. In following the Porsche TSB I finally tried the slide hammer on the outer two brackets flanking the bump. This seemed to tilt the bracket forward sufficiently. Then I added a thin metal and rubber washer stack to the two brackets just so the cover was more clearly overlapping the dash instead of just kissing the edge. The final result is pictured.
I'm not sure how it would work on an old dash. Anyways... kind of an interesting problem. If your dash is still flexible enough it might be possible to play with the slide hammer and washers to fix it.
03-09-2016, 09:17 AM
Slight bump on dash, easy to correct?
pic:
. I will do a google to try and find TSB... If anyone has link, would appreciate.
