14 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHHeater Matrix air con pipe in way
Leading reported evidence
Use some butyl rope
Performed · outcome unconfirmed
No successful repair reported for this finding.
0
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0
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1
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Leading evidence: 'Use some butyl rope' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, the most frequently mentioned possible cause is 'way' (1 discussions; 0 report identifying it and 1 suggest it). The most frequently discussed action is 'Check ties etc again as well' (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.
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Suspected cause · Original poster
To be fair if I had to do the job again, this is probably the way to go.
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Suggestion
You will also need to clean all the old butil and debris off before you fit the new panel ..
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Suggestion · Original poster
Thanks Alex, it's good to know it can be done without disconnecting the AC pipe!
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14 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
911uk: 1 discussions
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Generation: 20261026T100758Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
Hi all. I have searched to no avail. I am swapping a leaky heater matrix for a new one but cannot pull it past the thick OS to NS air con pipe. There is a few mm movement in the air con pipe but not anywhere near enough to get the matrix flow and return pipes past. Unless I am being dumb, Any suggestions please other than disconnecting the air con pipe which is a last resort for me really.
The aircon pipe pulls out the way. It's very tight but it is doable. Make sure the pipe isn't fixed anywhere to anything (with a cable tie or similar). I didn't think I'd be able to get mine out but adfter a bit of pulling and persiverance I manged it.
I've done many of these and i don't ever remember the a/c pipe being an issue .. its possible yours has been bent back a bit and is more obstructive :dont know:
Instructions below which are for a 997 .. same system as the 996 ones just ignore this pipe .
When you goto fit the new foam cover .. it has a brown paper sealing over it which you remove to fit it .. you need to protect the butil on it .. cut the cover around the outside .. cut around the inside to leave a section just protecting the butil ..
Cut top and bottom so it's in 2 halves but still attached .. fit the foam cover then carefully remove the paper seal each side and stick down .
If you remove this first and try and fit the foam cover .. it will end badly i expect lol .
You will also need to clean all the old butil and debris off before you fit the new panel .. if it doesn't seal you Will get water leaks in the car .
There's been a few threads on here in the past with the same issue.
Here's a photo of mine with the matrix removed and the aircon pipe passing over where it lives:
Yes removing the 'hiding in plain sight clip that I missed' doh, gave me a bit of wiggle room. That and being a bit more strongarm with the pipe sorted it in the end
Thanks for the help.
Dave from Derpville
Mine came away cleanly using a plastic trim removal tool, taking time and using the tool to 'cut' through the sealant a bit at a time. Once cleaned up I actually reused it as it was in fine condition. I used some Butyl rope to reseal.
I believe the part number for the foam seal is 99657226303 - gasket.
Dave
Mine was glued down fairly well bit didn't tear removing it, just need to take it easy. Hard bit is finding a glue the will re-seal it. Not much wants to adhere to the foam.
Personally i would just replace the foam cover .. Part number as per DonkUK post above .
The seal on it is butil which is a windscreen bonding tape if you wanted to try it ..
Considering if it doesn't seal you will have very wet carpets then for me it's not worth the chance .
