Allpar Forums banner

Jeep Commander Water Leak

17K views 9 replies 2 participants last post by  skip weis  
#1 · (Edited by Moderator)
Thanks for letting me in to the form.

We have a 2007 Jeep Commander with NO SUNROOF and yet on the 'passenger's side grab handle fastener cover' collects and drips rain or wash water down the inside windshield pillar plus drips come from the passenger side kick panel and wets the rug. Nothing on the driver's side. That's dry.

The water occurs above the dash so it's not the air inlet between the windscreen and the hood, by the wipers.
I'm thinking that the windshield leaks in the upper right hand side. It's here where water finds it's way in. If not the glass than the screws that hold the factory roof rack to the sheet metal roof panel might leak.

Since I'm a sail boater, serious consideration is to do the following.
1~Close up the body using the servo-motors for as many body ventilation air inlets as possible.
2~Pressurize the body by opening the backseat window enough for the hose of my shop vacuum to be inserted and seal up the remaining window opening with corrugated paper and tape.
3~Push the Exhaust from a shop vacuum into the body and wait about 1/2 an hour to assure all possible pressure.
4~Standing on a ladder squirt 'Leak Seek' onto the top and sides of the windshield where the glass is set in a black sealer surround and wait for the bubbles showing the leak. Identify and dry the areas.
5~Once the leak is identified...
6~Reverse the shop vacuum hose and try to pull a negative pressure inside the Commander's body.
7~West Marine sells 3-M 5200 slow set in black. This product flows for about a hour before setting up. So put a bead around the windscreen and see if the 3-M 5200 slow set will be drawn into the leak over a very long time. An hour or so.

That's the plan. Any thoughts? Even without a Sun Roof does the 'A' pillar supporting the windscreen have any drain tubes or pockets that need to be cleaned out to channel water to under the body? Maybe the drain tubes for a Sun Roof are there with or with out an actual Sun Roof? [why design and manufacture two different 'A' pillars?]

SIDE BAR: We made in ground swimming pools where the hole is lined with sand and a vinyl liner is pulled tightly down to conform to the sand by using four or five shop vacs running for 12 hours. Works great!
 
#9 ·
FCA=Fiat-Chrysler Automobiles.
The 'Service 4WD' light indicates that a fault code is stored in the control module. It may prevent selection of different ranges while the fault is active.
By pulling the fuse, you can reset the module and erase the fault (until the next time it occurs). N23 is a recall to update the FDCM software. It would be a free service at your dealer. Call for an appointment.
This message?:
http://www.jeep.com/webselfservice/pdf/N23.pdf
 
#8 · (Edited)
I don't know how or where to post this ... it [the message] said to address this to a member. I typed in Imperial Crown, but that did not work. --:>
"The following error occurred:
Participants:
The following recipients could not be found: Imperial Crown."


Here you go. Your going to move this anyway.

Arrived in the mail 23-June-2015 ... In so many words ... [Should I or should I not do this?]

FCA US LLC; [is this Fiat-Chrysler-America?]

The following performance improvements to be preformed by dealer for certain 2005 through 2010 Jeep Grand Cherokee and 2006 to 2010 Commanders equipped with Quadra-Trac II Full Time Active 4WD transfer case.

"The Final Drive Control Module [FDCM] software may cause the 'Service 4WD' light to come on and an inability to switch 4WD mode when trying to shift out of current selected mode."

Takes about 1/2 hour for the dealer to reprogram the FDCM with new software.

Does this have anything to do with the N 23 and/or pull the fuse game?

skip.
 
#7 ·
Yes, thank you. Believe me, the cause will be found. And as far as the manual is concerned, that's a good idea.

Back in 1976 my XJ 12-C Jaguar REQUIRED both the 3 inch thick shop manual and the 3 inch+ thick parts manual.

The shop manual gave the assembly procedure while the parts manual gave those beautiful exploded view drawings so detailed that even one could ascertain the proper orientation of a dished washer on a bolt. And yes ... my 'Ziggy' had ceramic muffler bearings. Honest. These held the rubber donuts supporting the exhausts.

Well worth the $300 USD for the pair. Onwards and upwards to the Commander.
 
#6 ·
The grab handle should have plastic caps that can be gently pried up to expose the screw heads. Then gentle prying to release the trim retainer clips.
Page IXK-210 towards the end of the book shows an exploded view of the A-pillar trim. Other interior pictures may help you in removing them for the leak diagnostics.
http://oskin.ru/pub/chrysler-dodge/manuals/Chrysler_Service_Parts_Catalog/CD5/06-08/07XK.pdf
You might consider purchasing a factory service manual for the vehicle if you need instructions about taking body components apart. Consider it a tool purchase that may pay for itself on this job alone.
If the carpet has soaked, you may want to remove the seats and carpet from the vehicle for quick drying. The jute backing can smell awful while the carpet itself won't really retain an odor.
If water looks like it is coming in above the A-pillar, then it may be the roof rack. Water shouldn't be able to get in past the screw threads, but see what you find. Maybe the roof panel threaded roof rack nuts have loosened from the roof sheetmetal panel and are allowing water through?
 
#4 ·
"From your description, it does sound like a windshield glass weather strip leak. The molding bead around the glass may have to be lifted slightly to inject a sealer," and "Removal of some interior trim components (like A-pillar trim) may help locate where it is coming in visually."

Molded bead ... on the Commander it surely looks like the seal was 'poured on' and the glass pressed into the goop.. So your right. Maybe an air bubble. I'll have to investigate lifting the molded [?] seal.

Not thinking the screws holding the factory roof rack are the problem. O.K.

How easily can the interior 'A' pillar trim be removed without breakage. Might be able to find a U-Tube on that. I'll look.

She leaks in the drive way when parked. Thank you for this reply. skip.
 
#3 ·
Welcome to Allpar. Water leaks generally run down (gravity) and back (road draft). The 'water test' with a garden hose on a low pressure stream to simulate a heavy rainfall is the common shop method and is covered in the service or shop manual, or any shop manual for that matter as the procedure is similar between models.
Removal of some interior trim components (like A-pillar trim) may help locate where it is coming in visually.
Water drip trails that have dried may appear as whitish streaks.
From your description, it does sound like a windshield glass weatherstrip leak. The molding bead around the glass may have to be lifted slightly to inject a sealer.