2004 Honda Civic 4 cyl Front Wheel Drive Manual 62000 miles
There is a 25mm rubber body plug located on the bottom side of the steel chassis frame member just behind each front tire. On the right side we recently discovered that the plug was missing when we tried to troubleshoot why the passenger floor was (very) wet. When driving in the rain, it appears as though water can accumulate inside the member during a rainstorm and eventually leak into the interior. We also see that the water damage extends all the way back to the trunk and is comming up from underneath. Does my diagnosis make sense, and if so how can I dry it out? Where can I go on the internet to determine whether or not my model car has a documented history of problems with water leaking into the interior?
WATER LEAKS INTO THE TRUNK FROM A BODY SEAM
TECHNICAL SERVICE BULLETIN
Reference Number(s): 03-067, Date of Issue: February 18, 2005
HONDA:2001-2005 Civic CATEGORY:Body APPLIES TO: 2001-04 Civic 2-Door and 4-Door - ALL; 2005 Civic 2-Door - From VIN 1HGEM2...5L000001 thru 1HGEM2...5L030136; 2005 Civic 4-Door - ALL
Superceded Bulletin(s): 03-067, Date of Issue: September 23, 2003 Related Ref Number(s): 03-067
NOTE: Supersedes 03-067, dated September 23, 2003
Water in the trunk.
Lack of sealer at various seams.
Apply 3M Ultra Pro Seam Sealer to the affected seam(s).
3M Ultra Pro Seam Sealer: 3M P/N 051135-08302
WARRANTY CLAIM INFORMATION
In warranty : The normal warranty applies.
WARRANTY CLAIM INFORMATION OP# Description FRT 857012 Remove the trunk side trim panel and trunk floor, then leak test A Repair procedure A 0.2 B Repair procedure B 0.2 C Repair procedure C 0.4 D Leak test to check the repair 0.2 0.6
November, 2, 2008 AT 12:36 PM
Merlin2021: Thanks for your answer, but I am still at a loss about the water on my front passenger floor, and that was my primary concern. How could the water have gotten there in the first place, I am asking?
I had the cabin air filter replaced on the assumption that the AC box might be leaking through its seams if leaf litter was clogging the drain. But I doubt that this would be the problem at this time of year.
The Honda dealer who noticed that the body plug was missing on the right side has put a temporary plug into the 25mm hole, and I have been using newspaper to absorb the water in the soaked carpeting.
If water could come off my right front tire during a heavy rain while I am driving, it could conceivably pass right into the frame member. But how would it get from there into the front floor carpeting. Isn't the body sealed?
Can I have an opinion on this?
November, 2, 2008 AT 12:41 PM
It's been my experience on all makes that it's either sealant around windshield glass, or the air intake for the a/c and ventilation system, but I found those two TSB's and water can wick up thru the rug, is the back even damp?
November, 2, 2008 AT 8:16 PM
Merlin2021: Thanks again. Yes, the floor behind the passenger seat is damp, but far less moist than the front. What would this mean? When you say that water might wick up into the carpeting, where would it be wicking from?
By the way, the wet area on the front passenger floor is totally underneath the front floor mat, and it is wettest right next to the door frame. The carpeting forward where your feet rest is dry as a bone.
November, 3, 2008 AT 2:34 AM
It may be comming from the spots in the photos, ot the " B" pillar, thats the post between the front and rear doors. Remove the trim panels and if you have to, have a helper run a hose on it while you look inside for water infiltration.
April, 3, 2009 AT 8:43 PM
I have the same problem with my 2004 Honda Civic. Just wondering if you found a solution and fixed the problem.
April, 4, 2009 AT 4:32 AM
This Tech bulliten is meant for the Honda mechanics, it is so they dont spend hours looking for the source of leaks, These are known by Honda motor corp to be points of water infiltration, and once sealed, should solve your problems.