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Chrysler 300M
26385 messages, Last post on Nov 19, 2012 at 5:58 PM
You are in the Chrysler 300M Forum.What is this discussion about? Chrysler 300M, Sedan
#13981 of 26385 300mike by beach15
Feb 10, 2002 (2:54 pm)
Oh, you've entered my world! We took a trip yesterday to Baltimore (2 hours west) and I was annoyed to say the least about the interior noise. This car is absolutely horrible on the interstate even if it's smooth; worse yet, throw in a few bumps! Of course, we still have the Goodyears too but the noise isn't all that bad in daily driving. It's not until you take a freeway trip that you find the true 300M "beast" and it's not a good one!To fix it though, is a different question. I think first, a nice new set of tires helps a lot. I've been looking, and for an acceptable price, the Dunlop SP Sport A2's still seem to be one of the most noise-free tires out there. Then, comes insulation. More sheet insulation would really help and spray foam in certain body cavities is also beneficial. 300Michael has done a lot of this to his 99'. I think the farthest I could ever convince the mother into is tires though.
For the price though, I think one of the boneheads at Chrysler should have known how to make the car at least acceptible in the noise intrusion area. Here's how I think the model years have evolved:
1999- Very, very noisy, lack of insulation and the Goodyears.
2000- Still rather noisy, a little bit more insulation but not much and the Goodyears.
2001- Noisy, but slightly better and now with standard Michelins (though they aren't that quiet either).
2002- Seems to be the same as a 2001 but a few Special owners have commented that their cars are noticably quiet at speed.
Just a note, what do you think of the highway ride after about an hour or two? I think it's nice at first but quickly starts to feel ragged and we have the "soft" base suspension.
#13982 of 26385 300Mike : Noise by easyrider300m
Feb 10, 2002 (4:26 pm)
the noise is the only major drawback to the M---talk to 300Michael ---he added lots of insulation and stated that it helped a lot--- if price for tire si critical, go with the Yokohama Avid T rated tires--on tirerack they are only $88 each plus shipping and mounting. The Dunlop Sports are also highly rated on Tirerack but are a bit higher at about $122 each. I have a 2000 M and look forward to getting rid of the Goodyears. I now have 30k on the car and new tires are in the near future.#13983 of 26385 Trunk water & noise by jona57
Feb 10, 2002 (4:45 pm)
Beach-Did this stuff start after the accident? If so, I would go back to the repair shop and have them file an addemdum to the insurance claim for hidden damage!
300mike is right about the noise levels being improved in these cars from 99-01.
I have a 2001 M with the PHG which I love, but I agree the road noise is excessive- FOR A $30+K LUXURY SEDAN!!!! And the noise is NOT 'cured' by replacing the Goodyear LS's- (which BTW I feel are slightly quieter than the Michelin MXM4's on my car (check the ratings at tires.com- their customer ratings back this up impression). I think I am going to try the insulation treatment on my 300M this Spring- pulling up the carpet and laying Dynamat Extreme or a similar sound deadener. The road noise is that bothersome to me. In an absolute sense, though, the 300M is still reasonably quiet. Better than most mid-size to full-size sedans, but again not up to today's luxury car standards. Popular Mechanics is one of the few auto tests which publish interior noise levels, so you might check out their tests if you don't believe me. Anyway, if I do proceed with the full sound insulation treatment, I plan to use a noise meter to document the before and after results for fellow 300M Club members.
Jon
#13984 of 26385 Auto Show Pics by beach15
Feb 10, 2002 (5:06 pm)
Okay, here's the rest of the Auto Show pics from Baltimore. I'm kicking myself for not having taken more but I was having such a field day crawling through them all, I forgot about my camera!
Take a look:
http://public.fotki.com/slate300m/2002_baltimore_auto_show/
#13987 of 26385 Beach... by sirharper
Feb 10, 2002 (6:57 pm)
When transmission fluid is cold it is unable to produce the required pressures for ultra-smooth gear changes. No car I've ever driven is exempt. My company cars of a Merc Grand Marquis and a VW Beetle both do it as does my boss's Infinity J30 (which doesn't even start below 20 degrees or if it is wet) and even his new Benz E-Class does it to some degree.The rest of your M's problems I'm gonna attribute to the accident and poor driver adaptation. Do us all a favor and buy yourself a Toyota Camry and just pretend it is prefect like the rest of the lemmings!
#13988 of 26385 Quitcherbitchin by achance
Feb 10, 2002 (7:56 pm)
If you don't like a little road noise, buy a Borla. Turn up the stereo. Actually maintain and understand the car. A Camry would work too, I guess.#13989 of 26385 A Complaint by achance
Feb 10, 2002 (8:09 pm)
Well, after mature reflection; I do have one complaint. I could not for the life of me fit a six foot tall cat climbing tree in the trunk of my M. Guess I oughta get a Camry.#13990 of 26385 6 foot tree by easyrider300m
Feb 10, 2002 (8:19 pm)
I'll bet it will fit through th sunroof---the M is very adaptable for carrying large loads---a pickup truck its notTo POST a message, please
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