Jeep Garage  - Jeep Forum

Jeep Garage - Jeep Forum (http://www.jeepgarage.org/forums.php)
-   Troubleshooting/Problems Discussion (http://www.jeepgarage.org/f77/)
-   -   Jeep makes popping noise? (http://www.jeepgarage.org/f77/jeep-makes-popping-noise-20187.html)

tydallas 03-13-2011 01:20 PM

Jeep makes popping noise?
 
So i've noticed for about a week now that whenever I unlock my jeep, or turn the fan completely off, it makes a popping noise from the vent area. It sounds as if there's a vent door closing to keep the air from coming in. Any ideas on what this would be? :confused:

tydallas 03-14-2011 01:10 PM

Bump. Any ideas why it would make that noise?

ajp0001@aol.com 04-10-2011 09:22 PM

Re: Jeep makes popping noise?
 
Hello.
I have the same Grand Cherokee as you but only in black. Recently I've been hearing the same exact noise that you have been hearing and also when I turn off the fan, unlock my jeep or just open the door. Have you been able to find out what the problem is? Any help would be appreciated. You can email me at ajp0001@aol.com. FYI - Those are zero's in my email and not the letter o. Unfortunately sometimes I don't get emails because of that :confused:. Thanks very much!
Sincerely,
Andy

Robert Palmer 04-10-2011 10:26 PM

Re: Jeep makes popping noise?
 
Quote:

Originally Posted by tydallas (Post 374702)
So i've noticed for about a week now that whenever I unlock my jeep, or turn the fan completely off, it makes a popping noise from the vent area. It sounds as if there's a vent door closing to keep the air from coming in. Any ideas on what this would be? :confused:

Vent door is broke. Off to the dealer.


Had that happen with my old 5.7.

tydallas 04-10-2011 11:04 PM

Re: Jeep makes popping noise?
 
What did they end up having to do to fix it? Mine isn't covered under warranty so I don't want to be charged an arm and a leg for them to repair it!

Robert Palmer 04-10-2011 11:07 PM

Re: Jeep makes popping noise?
 
From what I recall the whole dash had to come out for them to fix it and replace the tiny little blend door.

ajp0001@aol.com 04-11-2011 05:09 AM

Re: Jeep makes popping noise?
 
Robert,
What do you mean by blend door? I thought the noise might be the vent door that closes off the air flow from outside. Is that by chance what the blend door does? After my lease was up I decided to buy it and I also bought the extended warrenty. I'm really glad I did. Thanks. Andy

magnumman426 04-12-2011 05:41 PM

Re: Jeep makes popping noise?
 
The blend door is in the center section of the HVAC box. Generally speaking, the actuator is the root cause of the problem, causing the door to come up against the stop, with the motor forcing still, and breaking the shaft of the door. Some of the doors are operated by the actuator, which has a gear that is plastic. If it is the FRESH AIR door, that is behind the glove box door. Remove the door and inspect the drive actuator. You shoild see a plastic gear on the drive side of the actuator. Actuate the door via the control head, and watch the movement of the gear. If the gear pops, that is the cause of the noise. Under warranty, not a major issue. If cash job, they will bill the cost of the Fresh Air Door and Housing, because the gear is not available separately.

MM

tydallas 04-13-2011 09:04 PM

Thanks for the info! I'll def have to take a look at it

ajp0001@aol.com 04-14-2011 02:14 AM

Re: Jeep makes popping noise?
 
Thanks guys for the help!!


All times are GMT -5. The time now is 02:33 AM.

Powered by vBulletin® Version 3.8.8 Beta 4
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
Copyright 2012 - JeepGarage.Org
The Jeep Grand Cherokee Owners Community