G37 Coupe V36 2008+ Discussion about the G37 Coupe

Sunroof Drain blockage, would a liquid degreaser work to clear the line?

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Old Feb 20, 2023 | 11:52 AM
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G37
Sunroof Drain blockage, would a liquid degreaser work to clear the line?

Before I take my G37 into the garage to have the entire drain replaced I was wondering if anyone has had success injecting the sunroof drain with a degreaser or some other liquid solution to clear the line.
 
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Old Feb 20, 2023 | 06:02 PM
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Try using a stout fishing line to clear it out. Be careful though not to detach the drain line from the nipple by using too much force.
 

Last edited by G2B35AGN; Feb 20, 2023 at 06:03 PM. Reason: Add a thought
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Old Feb 25, 2023 | 11:44 AM
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Probably wouldn't hurt to just spray some brake parts cleaner into the drain, not going to hurt the plastic but check the can, most say plastic safe.

Just rinse plenty of water through it when you're done.
 
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