Weird noise coming from passenger side, under the glove box
10-26-2010, 07:20 PM
#1
CMOC Newbie
Thread Starter
Join Date: Oct 2010
Location: Winnipeg Manitoba
Posts: 9
Weird noise coming from passenger side, under the glove box
Hi Guys, I just recently bought a 2002 Mustang GT And i have already found a weird noise. There are multiple thumps within about 2 second that take place about every 5 minutes. It only happens when i have the air or heat blowing. Its coming from the passengers side down low behind and below the glove box. The weird thing is it happens even when i'm sitting at a red light. I think it may have something to do with the heater core and i just dont know what it is. Im hoping someone may know. Please help me and my new Mustang. Thanks.
10-27-2010, 10:49 AM
#3
CMOC Rookie
Join Date: Apr 2009
Location: Calgary
Posts: 122
The blend door actuator motor has plastic gears that sometimes fail. Depending on the situation, the failed gear can result in a grinding sound or the blend door can thump as it pops over the broken tooth. Below is a picture of the problem from an S197. Note the broken tooth at the 1 o'clock position on the large white gear.
On an S197 this actuator is up behind the glove box and up against the trans tunnel. Likely similar location on your '02.
On an S197 this actuator is up behind the glove box and up against the trans tunnel. Likely similar location on your '02.
Last edited by klaw; 10-27-2010 at 10:55 AM.
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