Jump to content

The RennTech.org community is Member supported!  Please consider an ANNUAL donation to help keep this site operating.
Click here to Donate

Welcome to RennTech.org Community, Guest

There are many great features available to you once you register at RennTech.org
You are free to view posts here, but you must log in to reply to existing posts, or to start your own new topic. Like most online communities, there are costs involved to maintain a site like this - so we encourage our members to donate. All donations go to the costs operating and maintaining this site. We prefer that guests take part in our community and we offer a lot in return to those willing to join our corner of the Porsche world. This site is 99 percent member supported (less than 1 percent comes from advertising) - so please consider an annual donation to keep this site running.

Here are some of the features available - once you register at RennTech.org

  • View Classified Ads
  • DIY Tutorials
  • Porsche TSB Listings (limited)
  • VIN Decoder
  • Special Offers
  • OBD II P-Codes
  • Paint Codes
  • Registry
  • Videos System
  • View Reviews
  • and get rid of this welcome message

It takes just a few minutes to register, and it's FREE

Contributing Members also get these additional benefits:
(you become a Contributing Member by donating money to the operation of this site)

  • No ads - advertisements are removed
  • Access the Contributors Only Forum
  • Contributing Members Only Downloads
  • Send attachments with PMs
  • All image/file storage limits are substantially increased for all Contributing Members
  • Option Codes Lookup
  • VIN Option Lookups (limited)
Yellowlimited93

Fan Noise/Pump Passenger Dash with ignition turned On

Recommended Posts

Good Evening,

 

I am new to the Porsche world and recently purchased a 1999 Guards Red C2.  In the past few days I have noticed a loud fan noise/pump noise under the passenger side dash when the ignition key is turned to the on position.  This noise seems to be independent of the AC fan.  I am not sure if this sound is normal for a 911 or something that I should be more concerned with.  I will note that the noise will continue until the ignition is **** off.  With that being said, I was wondering if anyone knew what this noise could be and if it’s something I should be more concerned with. 
 

Thank you in advance for your help!

 

P.S.  I did take a video of this noise and can post it once I figure out how to do so.

Edited by Yellowlimited93
Added Video

Share this post


Link to post
Share on other sites
    You can remove these ads by becoming a Contributing Member.

The only fan under the dash on the passenger side is the HVAC system fan.  Does the noise change when you increase/decrease the fan speed?  Have you checked the cabin air filter for debris?  The HVAC system fan is always on with ignition on unless you hold the decrease fan speed button until it shuts off.  The next time you start up again the fan will be on again.

Share this post


Link to post
Share on other sites

The noise you hear is with the HVAC fan manually turned off.  The noise does not change with fan speed as I can separately hear the HVAC fan running.

 

I have not checked the Cabin Filter (I did purchase a new one) but I am unsure why the noise is present when the hvac system is off.

 

Thank you for your help.

Share this post


Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.


×
×
  • Create New...

Important Information

We have placed cookies on your device to help make this website better. You can adjust your cookie settings, otherwise we'll assume you're okay to continue.