eagleb Posted February 19, 2007 Share Posted February 19, 2007 seems to be coming from behind/near the center console of my 96 OBW AT 113k. The sound first appeared uphill under load ~45mph just before a chattering. After taking the car to S.I.R. (thank you richie) for a new HG and tranny service, the car hasn't chattered, but the sound happened again, at a different time. After driving for ~20 mins, and parking for ~ 15 mins, I started the car and it made the sound for a few seconds. Any ideas? Sorry for the lame description, it's a tough one for me to describe. Thanks for the help Link to comment Share on other sites More sharing options...
Skip Posted February 19, 2007 Share Posted February 19, 2007 Sounds like it could be air in the coolant system Might wanna take it back to SIR for a "burp job". Or see all the threads on "burping" Link to comment Share on other sites More sharing options...
eagleb Posted February 19, 2007 Author Share Posted February 19, 2007 Why would air in the cooling system make a 'gurgling' that sounds like it's coming from behind the center console? I'm not saying you're wrong, I'm just curious. I don't know enough about my car to diagnose sounds. Maybe the sound is being projected to behind the center console, but it sure sounds like it's coming from beneath the floor in that area. Another description of the sound would be to compare it to a loose, or rumbling exhaust, mixed with a gurgle. Sorry for being so vague. Link to comment Share on other sites More sharing options...
Skip Posted February 19, 2007 Share Posted February 19, 2007 Why would air in the cooling system make a 'gurgling' that sounds like it's coming from behind the center console? Because your heater core is back there and air moving through it with the coolant can cause odd noises. Another description of the sound would be to compare it to a loose, or rumbling exhaust, mixed with a gurgle This "rumble" may be loose heat shields on the exhaust. Crawl under and bang on the shields with a gloved fist. Link to comment Share on other sites More sharing options...
eagleb Posted February 19, 2007 Author Share Posted February 19, 2007 Is there a good picture or description of the heater core location in the Haynes manual? Do I just need to park on an incline, open the radcap, start the car, add coolant to the filler neck, and wait for the bubbles to stop? Or would I be better off taking it back into the shop? Thanks again for the help Link to comment Share on other sites More sharing options...
Skip Posted February 19, 2007 Share Posted February 19, 2007 Eagle, you are welcome hope this helps. First please look at the very bottom of this page for the "Similar Threads" section and read some of those. Then have a look at this post if it's not there Burping the coolant system Link to comment Share on other sites More sharing options...
eagleb Posted February 20, 2007 Author Share Posted February 20, 2007 Sorry for , but I just want to make sure I'm not explaining this wrong. The gurgling sounds like its coming from between the front and rear seats, just behind the center armrest (console) beneath the car. The sound is not coming from the dash. The other heater core posts I've read talk about the sound coming from behind the dash, so that confused me. I'm going to top off the coolant and hope that helps, maybe park on the incline and run with rad cap off to look for bubbles, but the car has heat-o-plenty, and no issues with the temp rising. Thanks for the assist. Link to comment Share on other sites More sharing options...
Skip Posted February 20, 2007 Share Posted February 20, 2007 Sorry Eagle I read this "coming from behind/near the center console" to mean the radio center console I would check the heatshields and look for something rubbing on the driveshaft. Link to comment Share on other sites More sharing options...
eagleb Posted February 20, 2007 Author Share Posted February 20, 2007 The sound could even be coming from further back, like almost beneath the rear seats. Could that be the center diff? (sorry, not up to date on all the soob terminologies) I'll check the heatshields and for rubbing on the driveshaft, but the last two times it happened, the gurgle was on start-up and only lasted a few seconds when in park. The car seems to have low power (low rpm) when this happens. Only has happened after the car was driven for ~20min then parked for 10-15 min. What would be moving around that area when the car has just been started and is in park? Link to comment Share on other sites More sharing options...
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