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It starts but it shakes and won't accelerate and when it
It starts but it shakes and won't accelerate and when it does it jerks off really fast then goes back into a slow speed and I hear a knocking noise coming from the back … read more
Jerry Newton
Jerry Newton
Cadillac Technician
Vocational, Technical or Trade Scho
1,738 satisfied customers
I have a 2006 cts, RWd. I have a 2006 cts rwd with 3.6
hi I have a 2006 cts rwd with 3.6 engine. 131,000 miles. Transmission was going out so I had it replaced with a used tranny from an 07 with 46,000 miles. The transmission seems to be working fine in all ranges, shifting ok but I still have a random at different times while driving a sound that seems to be coming from the transmission area like a short buzzing or humming noise. Usually happens while steady rpms, not under acceleration. It started making this same random noise in the previous transmission when it started to go out. Finally it quit shifting into gears and in overdrive the previous trans would run at 3000 rpms at 65. This new used trans seems to be making the same just random "buzzing" or humming noise. It doesn't stay for very long. Just comes and goes. Am I looking in the right place or is it just coincidence that this is another issue that started when my original trans failed. Also, there is no transmission dipstick or a way to fluid replace in these units. Is this trans maintenance free? I can't believe that an automatic trans would be maintenance free. … read more
Gary
Gary
Vocational, Technical or Trade Scho
15,746 satisfied customers
When I accelerate to about 65 miles per hour, a loud buzzer
Hi there. When I accelerate to about 65 miles per hour, a loud buzzer sound goes off and it sounds like it's coming from the dashboard or air conditioner vent. It's very loud. When I slow down, it goe… read more
Agustin Grandinetti
Agustin Grandinetti
AS in Automotive Technology
5 satisfied customers
I have a 2006 Cadillac SRX. I hear a rattling noise, almost
I have a 2006 Cadillac SRX. I hear a rattling noise, almost like rocks in a blender, when I start my car. It continues to make this noise while in park or accelerating below 2000 rpms. … read more
Dan
Dan
Automotive Technician
Vocational, Technical or Trade Scho
23,904 satisfied customers
I have a 2008 Cadillac cts 4. When in drive or reverse
I have a 2008 Cadillac cts 4. When in drive or reverse there's a loud knocking noise coming from under the console. What is it?… read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,560 satisfied customers
Started getting "coolant low" light a couple months ago. Checked
Started getting "coolant low" light a couple months ago. Checked coolant and added regularly. Monday, had a coolant leak (although the temp gauge never went up) and then started having apparent transm… read more
Dan
Dan
Automotive Technician
Vocational, Technical or Trade Scho
23,904 satisfied customers
Cadillac CTS: My 2009 CTS suddenly began accelerating slowly
My 2009 CTS suddenly began accelerating slowly with some minor jerking and loud sounds. I thought some one had a race-type vehicle next to me. The roar would quiet when I took my foot off the gas. Lon… read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,560 satisfied customers
My 2006 sts v6 is making this humming noise. Sounds like it
My 2006 sts v6 is making this humming noise. Sounds like it is coming from front end. I can hear it inside car when I crank it and its warming up. It gets louder as I accelerate and then quiets back d… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
29,850 satisfied customers
Cadillac CTS V: I have a 2005 Caddy CTS-V, 6spd manual. Returning
I have a 2005 Caddy CTS-V, 6spd manual. Returning from a trip it started clunking while shifting and upon stopping had a burnt gear oil smell. Under the car is incredibly clean for 36k miles. I raised… read more
Chris (aka- Moose)
Chris (aka- Moose)
Cadillac Technician
Vocational, Technical or Trade School
811 satisfied customers
Cadillac cts: 2006 cts 3.5 surging symptom w/rattling
2006 cts 3.5 has surging symptom with a rattling noise in the engine. seems to be more noticible when moving particularly when you accelerate and then let off. veh has 45k miles.… read more
Mark
Mark
Line Technician
Associate Degree
799 satisfied customers
2007 cts: ltr..driven have a whine noise..trans..differential
All 2007 cts 2.8 ltr cads I have driven have a whine noise. I can't tell if it comes from the trans. or possibly the differential. I am concerned it could be the diff. When they replaced the seals due… read more
Triston
Triston
High School or GED
1,613 satisfied customers
2008 CTS: a heavy ticking knocking noise coming..hydraulic..lifter
I have a 2008 CTS DI bought the car used about a month ago had 24000 has a heavy ticking knocking noise coming from the engine. Took it back to the dealer twice already first time they couldn't figure… read more
Tim Mohr
Tim Mohr
SHOP OWNER
Master's Degree
16,167 satisfied customers
2005 cts: the check valve on the oil filter or oil line, is it..idle
i have a 2005 cts 3.6 I would like to know about the check valve on the oil filter or oil line, is it located in the oil filter? I think this is my problem as i get a dry start for about a sec. if the… read more
Dan
Dan
Automotive Technician
Vocational, Technical or Trade Scho
23,904 satisfied customers
2005 CTS: v6..miss..100 miles..almost every time I accelerate
I have a 2005 CTS, v6. Around 49900 miles (about a week ago) I noticed a stumble in accelerating. Almost like it was missing, but it wasn't a miss and it was very intermitant. The problem has progress… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
29,850 satisfied customers
2006 cadillac cts: 95 and as I was accelerating, about 70 mph..jerked
Hello. I just purchased a 2006 cadillac cts (C/T HI Feature model). I was driving on I 95 and as I was accelerating, about 70 mph, I noticed the care jerked to the right. I did a little swirving. Not … read more
Eric
Eric
Retired
N/A
33,563 satisfied customers
2006 Cadillac CTS: whinning..40 miles per hour..Transmission fluid
My 2006 Cadillac CTS makes a whinning noise when the car is going between 20 - 40 miles per hour, but only sometimes. Car can be hot or cold. Transmission fluid is full. Any ideas of what the problem … read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,560 satisfied customers
2004 Cadillac SRX: a noise (bang, clunk kind..accelerating..110k
My 2004 Cadillac SRX is making a noise (bang, clunk kind of noise) when accelerating more than just a bit easy from a stop. Don't hear any other time. Car has 110k on it. No issues other than this noi… read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,560 satisfied customers
2003 CTS: Whine at about 80,000 MIles in all gears except 4th
2003 CTS - Manual Transmisiion started to Whine at about 80,000 MIles in all gears except 4Th?… read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,560 satisfied customers
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Meet the Experts:

Jerry Newton

Jerry Newton

Cadillac Technician

1,738 satisfied customers

ASE Master Technician, L1, Master GM Technician. Over 20 years of bumper to bumper GM experience.

Dave Nova

Dave Nova

Cadillac Technician

1,522 satisfied customers

ASE Master Certification. GM World Class Certification

Gm Tech (Cam)

Gm Tech (Cam)

Cadillac Mechanic

1,090 satisfied customers

GM Grand Master Technician 2007. 14 years experience.

John

John

ASE Certified Technician

941 satisfied customers

ASE CERTIFICATIONS A1-A8 & L1 / 40 YEARS AUTOMOTIVE EXPERIENCE

Chris (aka- Moose)

Chris (aka- Moose)

Cadillac Technician

811 satisfied customers

16 years of experience

George H.

George H.

ASE Certified Technician

783 satisfied customers

ASE Master Tech 15+ Years

Don - Mo Lurch

Don - Mo Lurch

Cadillac Technician

705 satisfied customers

GM, Cadillac Cert., Heavy Line Mech, Race Shop Owner, Mobile Electronics.

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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