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Which sealant to use to put around A/C drain hose?

Tiny
C283
  • MEMBER
  • 2008 CHEVROLET MALIBU
  • 2.4L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 190,000 MILES
I need to put sealant around the car's A/C drain hose, but it is right above the heat shield. I got a JB weld black gasket sealant. It is 500 degrees. I just was wondering if I needed a better sealant there that would be safe to use.
Monday, August 8th, 2022 AT 6:08 AM

1 Reply

Tiny
BORIS K
  • MECHANIC
  • 799 POSTS
Hello,

The A/C drainpipe is usually fitted to the vehicle floor using a rubber grommet.
Exhaust temperatures at the heat shield are unlikely to exceed 150
200 degrees C.
The sealant you are planning on using will be up to the job.

Cheers, Boris
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Monday, August 8th, 2022 AT 7:01 AM

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