coolant tank is overheating and bubbling after you park it

50

Asked by Jan 14, 2015 at 02:45 PM about the 2002 Chrysler 300M

Question type: Maintenance & Repair

car drives ok no overheating problem but is bubbling and steaming when parked. Next day
check coolant tank have to refill

9 Answers

11,690

you might have a bad head gasket. you can test it yourself. get a combustion leak test kit from your auto parts store and then follow the instructions on the package, or watch a you tube vid on how to do it. it is a pretty conclusive test. If you don't want to tackle it, a lot of mechanics have equipment to sniff the system. the do it yourself kit is about 40 bucks.

1 of 1 people found this helpful.
4,775

yes head gasket is my vote .....//is it a 2.7 ??

10

Could it be the thermostat

1 of 1 people found this helpful.
50

i do not think its head gasket everything is work fine gauges are good . temp gauge normal ,car drives normal. change radiator and thermosat and it stop for awhile . it only bubbles up after i park car after driving it. had engine, water pump replaced about 6 months ago. in the summer had no problem now its cold outside this problem . thanks for your advise its anything else that can be cause the problem.

1 of 1 people found this helpful.
50

i am sorry engine is a 3.5 mopar john

4,775

my cousin had a 300 with the same issue you are having and was only doing it in his parking spot at work ...after trying to get it to do it and testing everything else we put the block tester on it and it was a head gasket ...I would either buy the kit or bring it to a shop and have them test it this way you can rule it out for sure

1 of 1 people found this helpful.
50

thanks for the advise moparjohn

13,105

The mentioned test is a good starting point. Another test you can try is let the engine cool all the way down then remove the radiator cap then start the engine and watch for bubbles. If you get bubbles right away it is the head gasket or a cracked head if no bubbles right away still could be head or gasket, but less likely.

50

Hey i found out what was wrong simple fix the cap on fill tank needed to be replaced. I believe it has a pressure fitting that opens and closes change cap havent had problem sense.Maybe help for anybody else that have a 2002 300m.

4 of 4 people found this helpful.

Your Answer

300M

Looking for a Used 300M in your area?

CarGurus has 221 nationwide 300M listings and the tools to find you a great deal.

ZIP:

Chrysler 300M Experts

  • #1
    Jearod Leet
    Reputation
    440
  • #2
    Felix Melendez
    Reputation
    410
  • #3
    aztec626bf
    Reputation
    400
View All

Related Models For Sale

Used Chevrolet Camaro
424 Great Deals out of 31,920 listings starting at $2,395
Used Ford Mustang
755 Great Deals out of 42,818 listings starting at $1,300
Used Cadillac CTS
286 Great Deals out of 10,333 listings starting at $1,500
Used Jeep Grand Cherokee
940 Great Deals out of 71,552 listings starting at $995
Used Honda Accord
1,030 Great Deals out of 63,283 listings starting at $999
Used Chevrolet Impala
612 Great Deals out of 34,798 listings starting at $1,250
Used Dodge Durango
298 Great Deals out of 20,449 listings starting at $999
Used Ford F-150
2,229 Great Deals out of 182,698 listings starting at $1,500
Used Nissan Maxima
325 Great Deals out of 23,753 listings starting at $1,550

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.