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996 Cab Roof Leak

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12 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW

Discussion summary

YOUR RESEARCH996 Cab Roof Leak

Leading reported evidence

Replace seal between the windows (which was leaking

Performed · outcome unconfirmed

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context

Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that performed work without a confirmed outcome
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed · Original poster

The roof is relatively new, we replaced the seal between the windows (which was leaking, but not enough to flood the footwell), we have blown out the drain tube twice, we have sat there with a hose and not found it, etc.

996 Cab Roof Leak
Frequently discussed work

Check from the drain pan down

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

Then check from the drain pan down to the wheel wells.

996 Cab Roof Leak
Read full discussion summary

Leading evidence: 'Replace seal between the windows (which was leaking' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check from the drain pan down' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.

Source reports, not a diagnosis or a success probability. Counts refer to discussions and can overlap.

Read captured replies

1 matching discussions · 12 captured posts examined · 0 partial discussions

Compare 4 other evidence results

Use brakes or make a hard right turn

Performed · outcome unconfirmed

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context

Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that performed work without a confirmed outcome
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed

The water pours out of the channel at the leading edge of the top driver window seal whenever I use the brakes or make a hard right turn.

996 Cab Roof Leak

Use some tape

Performed · outcome unconfirmed

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context

Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that performed work without a confirmed outcome
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed

I had to straighten it out with my hands, then used some tape to hold it in place and shut the door.

996 Cab Roof Leak

Check from the drain pan down

Suggestion or failed attempt

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context

Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

Then check from the drain pan down to the wheel wells.

996 Cab Roof Leak

Clean from the groove in the clamshell

Suggestion or failed attempt

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context

Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.

Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

Make sure they are clean from the groove in the clamshell to the drain pan behind the rear speakers.

996 Cab Roof Leak
Frequently discussed actions (7)

These are separate views of the same evidence. Frequency alone does not establish a fix, and these counts must not be added together.

Check from the drain pan down

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

Then check from the drain pan down to the wheel wells.

996 Cab Roof Leak

Clean from the groove in the clamshell

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

Make sure they are clean from the groove in the clamshell to the drain pan behind the rear speakers.

996 Cab Roof Leak

Replace seal between the windows (which was leaking

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that performed work without a confirmed outcome
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed · Original poster

The roof is relatively new, we replaced the seal between the windows (which was leaking, but not enough to flood the footwell), we have blown out the drain tube twice, we have sat there with a hose and not found it, etc.

996 Cab Roof Leak

Use brakes or make a hard right turn

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that performed work without a confirmed outcome
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed

The water pours out of the channel at the leading edge of the top driver window seal whenever I use the brakes or make a hard right turn.

996 Cab Roof Leak

Use small bit of rubber tube if their top "whistles"

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

I've heard some guys use a small bit of rubber tube if their top "whistles" ??

996 Cab Roof Leak

Use some tape

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that performed work without a confirmed outcome
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Performed · outcome unconfirmed

I had to straighten it out with my hands, then used some tape to hold it in place and shut the door.

996 Cab Roof Leak

Use these forums

No successful repair reported for this finding.

0
Reported fixes
0
Unsuccessful attempts
1
Discussions
Read evidence and context
Discussions that contain suggestions
1

0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.

0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.

Suggestion

I am not good at using these forums, but will keep searching for the schematics.

996 Cab Roof Leak
Coverage and how to read this overview

Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.

12 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.

  • Rennlist: 1 discussions

0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.

0 acknowledgements have no verified action link; they do not establish a repair result.

Generation: 20261026T122219Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources

POST 1 / ORIGINAL POSTEROriginal post

My cab has a roof leak that neither my mechanic nor I can diagnose. After every significant rain the rear passenger footwell is flooded. The roof is relatively new, we replaced the seal between the windows (which was leaking, but not enough to flood the footwell), we have blown out the drain tube twice, we have sat there with a hose and not found it, etc. in addition to the footwell being soaked, so is the well directly under the seat. All thoughts would be appreciated.

POST 2Original post

The drain tubes get brittle with age, you may need to follow them end to end to find the crack.. Some even break off..

POST 3Original post

Drain tubes for sure. Make sure they are clean from the groove in the clamshell to the drain pan behind the rear speakers. Then check from the drain pan down to the wheel wells. You must remove the wheel well liner to properly clean them. Search around here for lots of good tutorials.

POST 4Original post

Good afternoon, I have service manual, but it does not show the drain tube locations. My 99 is leaking onto my left arm when braking. The water pours out of the channel at the leading edge of the top driver window seal whenever I use the brakes or make a hard right turn.

POST 5Original post

If you search around on here there is a diagram of teh cab and sunroof drains.. This is far from a new problem ... If that water gets to your driver side floor it can short your cars ECU out.. I'd get it under cover ASAP.

POST 6Original post

Good afternoon, I took this photo while driving it around to my garage where its been airing out. This is the first time its been wet aside from being washed in my ownership. Luckily there is no evidence of water damage anywhere. I did clean out the drains behind the rear speakers, but they were dry. Its seems that water is collecting somewhere between the hard plastic section and the canvas top. There is no water on the headliner or anywhere else, just that one spot and only when I hit the brakes or drive down a steep hill... I am not good at using these forums, but will keep searching for the schematics. Thanks, Kirk

POST 7Original post

I have had a issue when I first got my car where one of the rubber bits got sort of folded about where that leak was at, I had to straighten it out with my hands, then used some tape to hold it in place and shut the door. Parked it outside in the sun on some hot days and it straightened it out. there are parts like this at each window seal "junction" where the separate sections meet. So far so good..

POST 8Original post

[Image-only post; no author-written text. Original image references:] https://cimg9.ibsrv.net/gimg/rennlist.com-vbulletin/941x713/cab_drains_7e5d100743cc637b1c47a6bbf65d06e7bf6486db.jpg

POST 9Original post

Is yours a convertible? I actually opened up the channel of the seal on the front edge of the window and there was a foam tube stuffed into the lower of the two channels. I am wondering if this is what was causing the issue. I will wash it again and see what happens

POST 11Original post

I've heard some guys use a small bit of rubber tube if their top "whistles" ??

POST 12Original post

That is very interesting. I am hoping that the foam cylinder is blocking drainage. I will update if it produces noise, I have not taken it out since the leak

This is a source reference. Confirm exact model applicability in the original material.