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2007 Grand Prix Rattling/Squeaking noise
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Daveyys
New User
Sep 27, 2022, 8:19 PM
Post #1 of 8
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2007 Grand Prix Rattling/Squeaking noise
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Hello everyone,
I'm new to the forums and have recently had trouble with my car that has led me here.
For about a month, my car has been making a squeaking noise when coming to stops occasionally. Then, a couple days ago, my car started to make a rattling noise that felt like a small vibration under me. Yesterday, I took the car to Jiffy Lube where they performed a brake inspection and they found all brake pads to be in good condition and found no problems with the car at all. The technician suggested that I get my tires replaced because they're 11 years old, but I am not sure if that could be the problem. Today, upon first turning the car on, the rattling was barely there. It seemed to get progressively worse as I drove it more throughout the day, then the rattling became accompanied by a squeaking/squealing sound that could be heard from the outside of the car. The noise also seems to only happen when braking or cruising, and seems to not happen while accelerating. I also tend to feel the rattling more at slower speeds, around 15mph on residential streets. The car runs fine otherwise and I have had no issues with braking or any other functions of the car.
Vehicle Information:
2007
Pontiac
Grand Prix
3.8L V6
84,942 Mileage
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Sep 27, 2022, 8:58 PM
Post #2 of 8
(1126 views)
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Re: 2007 Grand Prix Rattling/Squeaking noise
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Welcome. OK so a now older but low mile car is making this or these noises is probably brake issues and or exhaust issue like heat sheilds and maybe flex pipe up front.
Did they take brakes apart to check them and reluble them as a check or what if you know? Is this all disc brakes or disc drum in the back? Discs in the back I think by this year had a drum brake for a parking brake just BTW you can't see squat with dismantling it and should if so, clean it out they rot inside those - does parking brake even work?
Tires? Age alone does matter but not the noise and rattling stuff treads separate can feel like out of balance perhaps and not treads can shift you feel that on a nice road sometimes car wobbles a bit. Not noise as described.
IDK - I suggest a more complete check or if you want for exhaust noises (could have both) tap on those shields or pipe with a rubber hammers sitting still they usually make the noise, engine off.
Brakes should probably come all apart and checked not just a glance at pad wear could reveal you need work despite not just plain worn out??
Better check - it's doing this and an oil change chain probably not the best bet or IDK if they are up to it - you can't tell by just a glance,
Tom
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Daveyys
New User
Sep 27, 2022, 9:41 PM
Post #3 of 8
(1096 views)
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Re: 2007 Grand Prix Rattling/Squeaking noise
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Hi,
Thanks a lot for the quick response.
I don't know much about cars at all, so this is all new to me.
My car actually does not have a parking brake at all. Also, after looking, to my knowledge I think that they are all disc brakes since I saw calipers on each one, both front and back wheels.
Where are the shields located?
Jiffy Lube did not inspect the brake pads thoroughly. They just examined it using a flashlight from underneath, they were only looking for about 5 minutes total.
Could an oil change potentially help with this? I was due for an oil change on the 12th, but I skipped it since the Jiffy Lube sticker also has a mileage that I should get it at, which is 85,200 and I'm not quite there.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Sep 28, 2022, 3:25 AM
Post #4 of 8
(1014 views)
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Re: 2007 Grand Prix Rattling/Squeaking noise
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You need a real shop a BRAKE complaint (to a tech) as you said that using brakes alter noise or bring it on or off has to be taken seriously IMO.
No problem it's highly likely to need a lot of brake work and the always IDK with those shields - could be some serious bucks - YOU NEED DANG BRAKES to be right and know it.
What did you mean no parking brake. Two ways anther brake inside rear rotors or a cable makes calipers on rears push and hold if not holding the car - that's gotta get fixed.
The job now for you is finding a shop, that can and will really help you. Get to know WHO is working on your car if many - just a suggestion, plus if happy ask for that tech for other things - it's a car will always need something over time and miles.
Do the hunting for the right place then person. If you are new to cars for yourself in general think hard about a good motor club like a AAA YOU are not expected to be the tech just the appreciated customer, not oversold but the truth. Costs up front as possible. I/we don't know for this but it's a warning - need to find out at a minimum.
Tom
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Hammer Time
Ultimate Carjunky
/ Moderator
Sep 28, 2022, 3:58 AM
Post #5 of 8
(1008 views)
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Re: 2007 Grand Prix Rattling/Squeaking noise
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I agree with Tom. You need to get it into a real shop which Jiffy Lube is not even close to being.
Calling the people there technicians is a bit of a joke. They are clueless when it comes to automotive knowledge. They can't even do an oil change without causing some kind of damage.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Sep 28, 2022, 9:28 AM
Post #6 of 8
(992 views)
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Re: 2007 Grand Prix Rattling/Squeaking noise
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Daveyys : That was a little harsher than I personally like of places like that but exactly how I think too! Know they PROBABLY didn't mean any harm just those techs are entry level auto work vs years of both training & experience - yea it cost more but worth it.
Your complaint should NOT go without notice it could be dangerous?? The moving parts of wheels, brakes (think a second) are not suspended parts rather ride the road surface so no shock of road absorbed like for you riding in it.
Exhaust is hot so needs sometime (this car definitely) heat shields. They get soaked with road water if salted that much worse give out at spot welds.
IDK - already said could be some of both.
Stinks but all discs 99% you have 6 brake systems the parking brake a drum. DUMB IS DUMB it's rusty where I am have to take those apart to check, dump out debris + just check them out - my own! Others don't understand you need some hours to do that not 5 minutes from an oil change place.
This otherwise if not a surprise rust bucket is an OK used car - all take some attention this "pandemic" plus inflation a lot of folks just didn't costs or lack of qualified help - was a mess as we know.
Owning a car is costly to most it deservers your basic understanding of what is happening and what needs attention periodically some isn't even in the list an owner's manual would spell out.
Laugh if you can I'm one of two people to actually read those - BORING if you did anyone for any car you'd get it - stuff done on time or checked miles/time schedules.
Other > YOU probably have a fine car now need the fine help it's not worth it DIYing unless unusually persistent tools would kill you in no time,
Tom
(edit) I make typos excuse is LED screen is blinding to me - sorry....
(This post was edited by Tom Greenleaf on Sep 28, 2022, 9:52 AM)
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Daveyys
New User
Sep 28, 2022, 4:00 PM
Post #7 of 8
(968 views)
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Re: 2007 Grand Prix Rattling/Squeaking noise
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I took the car to a repair shop today and was told that the CV axle and wheel bearing on the left front tire were bad. The guy mentioned that it could have been from the potholes that are around my city in Chicago. He quoted me at $715 for those replacements and a wheel alignment. but I declined the repair since that price seemed excessive and the technicians already seemed a bit dishonest from first impressions. Should I have someone else take a second look? Do you think those problems align with the sounds I'm hearing?
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Hammer Time
Ultimate Carjunky
/ Moderator
Sep 28, 2022, 4:13 PM
Post #8 of 8
(937 views)
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Re: 2007 Grand Prix Rattling/Squeaking noise
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That's not really a lot for those two repairs. It wouldn't hurt to get a second opinion and price. Make sure they agree on the diagnosis. Don't tell the second shop about the first one and see what they find.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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