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Water on floor, 98 Z28, Please Help!!!

This is a discussion on Water on floor, 98 Z28, Please Help!!! within the General Help forums, part of the LSx Technical Help Section category; thats a t-top leak. Had the same issue, the water only got in under prolonged pressure, the t-tops fills up ...

  1. #21
    tattoo artist,esquire sic2001's Avatar
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    navy blue metallic
    2001 trans am

    thats a t-top leak. Had the same issue, the water only got in under prolonged pressure, the t-tops fills up then starts driping. I fixed it by adjusting the t-top latch bolts to seal tighter. Its easy and also got rid of the wind noise at high speeds.

  2. #22
    Senior Member 02z28ls1's Avatar
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    navy blue
    2002 Z-28 Camaro M6

    Didn't read the entire thread so don't know if anyone has suggested this or not already. I had a 98 Camaro and noticed this TSB from Chevy on this. In the back hatch there is an area that didn't get enough sealer on it from the assembly line. Hatch fills up with water. You can see this if you lift the hatch and water runs out of it. Simple fix with seam sealer. See if you can get a copy of the TSB from someone with Alldata or similar (library?). This could be the problem.
    Later models got enough sealer put there-this was a 98 model year deal if I remember correctly.

  3. #23
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    Pearl White
    2000 Trans Am

    Quote Originally Posted by sic2001 View Post
    thats a t-top leak. Had the same issue, the water only got in under prolonged pressure, the t-tops fills up then starts driping. I fixed it by adjusting the t-top latch bolts to seal tighter. Its easy and also got rid of the wind noise at high speeds.
    Sic2001... How did you adjust the T-top latch bolts? Can you post a pic?

    Thanks

  4. #24
    tattoo artist,esquire sic2001's Avatar
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    navy blue metallic
    2001 trans am

    http://www.ls2.com/forums/showthread...hreadid=222038 Here is a link to pics and explains how to do it

  5. #25
    Senior Member 02z28ls1's Avatar
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    navy blue
    2002 Z-28 Camaro M6

    http://www.ls1.com/forums/attachment...1&d=1182387572
    http://www.ls1.com/forums/attachment...1&d=1182387573

    If I know how to do this properly-the above will show you the factory service manual pages on adjusting the t-tops. One of them came out upside down to make it more challenging for you......
    Enlarge them to about 150% and they will become readable (bottom right of your screen, click on the 100% thingy).
    Hope this helps visualize this.
    I looked for this before and couldn't find it. That's all they have to say about it, no adjustment specs except for torque values for the bolts. Follow the advice in the other forums posting about not getting too tight to avoid cracking the t-tops from chassis flex. Will look and see if I have the TSB on the rear hatch sealer thing I posted before.

  6. #26
    Senior Member 02z28ls1's Avatar
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    navy blue
    2002 Z-28 Camaro M6

    http://www.ls1.com/forums/attachment...1&d=1182389375
    http://www.ls1.com/forums/attachment...1&d=1182389375
    Here is the TSB off Alldata for the hatch sealing thing I mentioned before. My 98 had this problem, my 2002 does not. You can get seam sealer from Autozone or Advance, you apply it like caulk with a caulking gun. The 'drawings' on Alldata leave a little to be desired, but it is attempting to show you the front lower side of the rear hatch when it is opened. If you open your hatch and water runs out of the front of the hatch you need to seal this up. The hatch fills with water otherwise.
    Last edited by 02z28ls1; 06-20-2007 at 07:07 PM.

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