Clunk noise in my 2007 Chevrolet HHR or Pontiac G6.
I have a clunk noise in the front end of my HHR. It happens when i am  turning the  wheel, and also
when going over bumps in the road. Most of the time it is when going  over a set of rail road tracks.
I had the steering and struts checked at a local shop, but  they said they did not see anything. Is
there a common problem with these cars?
Common cause of of clunk noise in the front end of my 2007, 2008, 2009 Chevrolet HHR when going over bumps or turning while driving. This also may be the problem for the Cobalt, Pontiac G6 and similar models.
By what you are describing, this sounds like a common problem on the HHR, Cobalt,  Pontiac G6
and other models 2008 and 2009, with a 'Front stabilizer bar link / arm, or the a
lower control arm bushing. There is one on  each wheel. It connects the lower control arm to the  
front stabilizer bar. The bar helps  control body roll when turning. There is a ball socket  joint on the
top and bottom of the  arm. (See pic below).  
With the year and mileage, this noise condition would be under the factory warranty,  even if this is
not  the problem.
No had that fixed 285 dollars took it to a tire repair place needed new tires also, they found broken
spring, and boot, replaced both springs, and one boot, noise gone, cost approx. 900 more.
My Cobalt did this twice. Both times the dealer replaced the steering column. 7,200 miles between
Question: I have a G6 and my husband drives a HHR. I had a "popping" noise
in my G6 last year whenever I would turn the wheel, and it ended up being a
lube kit (service bulletin is available for this part and should be covered by GM
service shops). My husband has clunking in his HHR when he drives over
bumps, railroad tracks, etc and we've been told it's quite possibly the wheel
Most likely it is not a wheel bearing causing a clunking noise over bumps. If
the wheel bearing is bad, it usually makes a growling noise that gets louder
the faster you drive. If it is bad enough to cause a clunk, you would have
heard it making noise for a long time before that. The most probable parts
making noise over bumps are the front sway bar end links, or lower
arm bushings. More often than not, both of these are bad together and need
replaced. If you can get the car in the air, you can check play in the sway bar
end links, and look to see if the front lower control arms are down against the
subframe at the rear attaching point. Replace in pairs is advisable for either
Either step on the gas pedal to the floor and release- do
this 3 times within 5 seconds. Or use the information
center buttons. Page to "Oil Life %" then hold the enter
button for 5 seconds. See owners manual as well.
Also the sector shafts on these cars are very common for making popping noises. This is the shaft
that connects column to the rack and pinion. Most common ones were between 2003 and 2006
model years.
I own a 2009 HHR 11000 miles on it now. 7600 when I purchased it this May. Had front noise
problems from day on, July 16, axle broke. Took to dealer 2 weeks earlier found no problems.
mine a 2009 replaced strut fixed problem for a week now clunk back.
I would check into the front sway bar end links or front
control arm bushings. Those are usually the two most
common things that cause a clunking noise on your type
of vehicle.

I am looking at buying a 2006 HHR and the owner said the sway bar ??? I think bushings need to
be replaced. What would be the average cost to replace these if I brought the car into a dealership
or shop?
Replacing links or link bushings at a dealer will probably
run you about $200 including parts and labor. You may
want to check the front control arm bushings as well, as
those are known to fail on the HHR models too. Estimate
for that is about $40 with a front end alignment. Any of
these problems will make a clunk or knock noise over
bumps or while turning, like a metal to metal sound.
My 2007 G6 required $1700.00 of front end repair at 56,000 miles.
I'm going on my 3rd replacement of rear bushings on my 2007 HHR with 70000 miles on it to fix the
annoying clunking over bumps. Obviously there is a problem with the design, cheap parts or both!
Sounds to me like you are either having cheap parts
installed, or the job is not being done properly.
i have a clunking feel when reversing in my 2007 pontiac G6 can it be a motor mount or
transmission problem.
I have a 2009 HHR and the same clunking noise when I hit a bump or bad roads. Headed to the
repair shop now. I am at 50,000 miles.
i own a 2007 HHR LT, and i hear the clunking sound when i go over bumps and turning the
steering wheel. The auto tech said that this is the steering shaft making this noise. WHY would it do
this?I never heard this sound in any car or truck i ever owned. Bad Design i guess.
Yes, bad design that has been re-designed several times.
I  had a friend check my HHR because of a clunking and vibration/whine.  Found the front
engine/transmission mount worn out.
I have a 2006 chevy hhr LT..all dealer maintained.. What a joke to say that because it appears that
the dealers mechanics have no clue as to whats been causing the horrible clunking in the front
end..and my traction control light to go on. My car has 51,000 miles..and has had this ongoing
problem since 300 miles. I have been told turn rotors..replace rotors..steering column, rack and
pinion,steering column,front stabilizers,control arms, bushings, you name it they have replaced
it.The mechanics cant figure it out so they replace parts already replaced.i was told today that
repairs would be 1,500 to replace both front control arms and the stabilser links..the traction
control light is the standard cam shaft sensor. This is absurd..and How can GM sue the company
making these parts but not issue a recall??
Recalls are really only for a safety related item. The only
thing you may be able to do is call customer assistance,
complain, and ask for help to get these fixed for free
since it is an onging problem.
My 2008 HHR panel has exhibited all that has been wrong., with these models glass leaks, control
arm bushings, strut bushings, door lock issues, other electrical issues., rotor issues,  I think the
reoccuring problems mostly lie within the fact that the dealer parts are offshore, poorly made. I went
aftermarket performance upgrades where ever I could and have no reoccurance like i read. It now
has 92000 miles on it.
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Chevy HHR, Pontiac G6 Clunk In The Front End