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Arizan
New User
Apr 28, 2012, 6:50 AM
Post #1 of 5
(1758 views)
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I just replaced my exhaust system in my car one week ago. The straight pipe was broken and needed to be replaced. I've been driving my car for a week now and it's making a rumbling sound when I start it and when I turn the ignition off, it sounds like it's gargling....can anyone tell me what this could be? 2004 alero 177000 kms
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Tom Greenleaf
Ultimate Carjunky
/ Moderator

Apr 28, 2012, 7:09 AM
Post #2 of 5
(1747 views)
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Re: Exhaust problem
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Guess is that noise was there and being masked by exhaust noise. Were original parts used for exhaust in proper locations? Only couple things I can think of right now that can make noises when car is shut off is boiling coolant or sometimes A/C refrigerant in some cars makes a noise equalizing pressures can be heard. Even if you haven't been using A/C is comes on with defrost request. Perhaps try unplugging compressor and see if noises go away - best guess I can muster for now? T
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Arizan
New User
Apr 28, 2012, 7:13 AM
Post #3 of 5
(1740 views)
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Re: Exhaust problem
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Yes, original parts were used. I haven't used my ax is a long time....it actually doesn't work... I took it back to the mechanic...hopefully it is the ac and not anything that will cost too much.Thanks for your reply
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Tom Greenleaf
Ultimate Carjunky
/ Moderator

Apr 28, 2012, 7:25 AM
Post #4 of 5
(1727 views)
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Re: Exhaust problem
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If A/C is down and compressor doesn't ever come on that's not it and it's just a pulley in the belt system and some cars it must be in place for belt(s) to work/fit. Funny noises like that might have to be witnessed so glad you are taking it back to your mechanic, T PS: One thread is enough for same issue so removed the other............
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Discretesignals
Ultimate Carjunky
/ Moderator

Apr 28, 2012, 8:25 AM
Post #5 of 5
(1713 views)
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Re: Exhaust problem
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Does this thing have a catalytic converter on it? Every time I read or hear the words "straight pipe" that means someone hacked off the converter. Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.
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