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Here I am

AC Hissing after shutdown

Thread starter tjm
Start Date Sep 4, 2021

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Shadrach
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2006 ram 2500 hissing/scraping noise behind the dash

jefflynn
Sep 5, 2021

Replies: 4
Sep 6, 2021

Status: Not open for further replies.

tjm

Sep 4, 2021

#1

Hi Folks

Anyone else experience this? Seems to be normal as the AC works.

Tuesdak

TDR MEMBER

Sep 4, 2021

#2

Normal. 350 psig is moving to 30 psig via the orface tube. Takes 2 minutes to equalize. The engine noise covers it up when it’s running.

Ozymandias

TDR MEMBER

Sep 4, 2021

#3

After shutdown it's normal, the system equals the pressure.

Status: Not open for further replies.

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