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Leak in roof @ A/C

freewayrandy
Explorer
Explorer
Just noticed a leak in the roof in my toyhauler garage a/c unit. Been raining tons lately. The water is dripping from the unit at the panel that has the foam filter in it. any clues to where I should start my search for the leak?
2022 Chevy Silverado 2500 HD Duramax/Allison, 2024 Cougar 27SGS
9 REPLIES 9

rockintom
Explorer
Explorer
MFL wrote:
freewayrandy wrote:
Whaddya know! Bolts were backed out over a 1/4 inch. Ghost marks show they WERE tight once.


Well I hope that does the trick, and takes care of your leak! When ACs are installed new, the gasket is compressed about halfway. After several years use, the bolts can loosen a little, or the gasket may take a set.

Good luck,
Jerry


That's exactly why the annual servicing of the A/C unit includes snugging up those mounting screws. rockin'
Rockintom
'12 Excel Limited GKE 33 ft., trailer named "Charm"
'14 1 ton Chevy DRW D/A Reese 20K hitch Fold-A-Cover bedcover - truck named "Bullet" Fulltiming since 2005

freewayrandy
Explorer
Explorer
I'll find out this week-end when the next storm arrives. Fingers crossed.
2022 Chevy Silverado 2500 HD Duramax/Allison, 2024 Cougar 27SGS

MFL
Nomad II
Nomad II
freewayrandy wrote:
Whaddya know! Bolts were backed out over a 1/4 inch. Ghost marks show they WERE tight once.


Well I hope that does the trick, and takes care of your leak! When ACs are installed new, the gasket is compressed about halfway. After several years use, the bolts can loosen a little, or the gasket may take a set.

Good luck,
Jerry

freewayrandy
Explorer
Explorer
Whaddya know! Bolts were backed out over a 1/4 inch. Ghost marks show they WERE tight once.
2022 Chevy Silverado 2500 HD Duramax/Allison, 2024 Cougar 27SGS

freewayrandy
Explorer
Explorer
momentum, will do, thx.
2022 Chevy Silverado 2500 HD Duramax/Allison, 2024 Cougar 27SGS

Bumpyroad
Explorer
Explorer
yep, I had a slight leak when new. mfr. hadn't snugged up all the bolts.
bumpy

momentum_rv
Explorer
Explorer
I would snug those bolts but still go up top and take a look-see under the cover and see what is happening rather than wait for the next rain to see if just the bolts did the trick.
2015 Grand Design Momentum 385TH
2015 Ford F-350 DRW 4x4 Lariat

freewayrandy
Explorer
Explorer
Thx Jerry, will start there. Lucky to have 4-5 days before our next storms to figure this out.
2022 Chevy Silverado 2500 HD Duramax/Allison, 2024 Cougar 27SGS

MFL
Nomad II
Nomad II
One thing to check is the gasket between roof and AC. If you remove the cover with filter in it, you should see 4 bolts securing the AC to the roof. Those bolts squish the gasket to make a snug seal. The key word is snug! You could snug them up a little more, but do not tighten them.

Jerry