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Chrysler 300m overheating

There seems to be oil inthe water on the radiator

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  • Cars & Trucks Master
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Oil in the coolant is usually a sign of a leaking head gasket.

Posted on Jul 27, 2013

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Posted on Jan 02, 2017

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SOURCE: 2003 Chrysler 300m overheating

would recommend replacing thermostat first. could be sticking

Posted on Nov 16, 2008

michigan man
  • 3533 Answers


first of all put the car on ramps and for safety put something behind the rear wheel and then start taking the bolts out of the pan and once the bolts are out use a large rubber hammer to get the pan loose do not use anything to pry the pan off and you see your oil pump

Posted on Feb 14, 2009

  • 219 Answers

SOURCE: 1997 bmw z3 conv. 1.9 overheated, changed

hi jasso, I would recommend checking the water pump if you see no flow in the radiator. Make sure when you fill up the cooling system, that you fill it cold, and that the vent screw in the radiator is loose. fill system until fluid comes out the vent screw. tighten the screw, start the car and have someone run at 1500rpm and check for flow.also, make sure that you have your temp setting full hot and blower on middle speed so that you don't trap air in the heater core.

Posted on Apr 05, 2009

  • 316 Answers

SOURCE: Overheating engine

Check your oil dipstick for coolant, or a mucky substance. Your symptoms sound like a blown head gasket.

Posted on Jun 22, 2009

  • 1985 Answers

SOURCE: how change the oil pressure switch

if your engine is a 3.2 or 3.5,
the sending unit is beside the filter and screws in the motor,
if your unlucky and your engine is a 2.7,it is on the right side of engine on lower half .

Posted on Jan 03, 2010

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My chrsyler 300m 1999 is leaking oil..i got radiator,spark plugs,water pump etc...

ask a local mechanic to have a look for you as from afar it is impossible to answer ,could be anything from a crank seal to oil cooler feed pipe ,

Jul 30, 2011 | 1999 Chrysler 300M

1 Answer

Hi, I have a 2000 chrysler 300M with overheating problems. Few months ago replace the water pump, radiator and a hose. I just replace the thermostat and temp sensor. A year ago replace fans. But still...

theres a bleeder crew in the front of the motor by the thermose stat the you have to open when the car is running so the cooling system can release the air from the motor. it worked for me. 10mm socket will fit it.

Apr 05, 2011 | 2000 Chrysler 300M

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My 2000 Chrysler 300M Heater is blowing cold air and the engine is overheating

This is most likely due to an empty cooling system. Check the coolant in the radiator (with the car off for atleast 30 minutes). Once you refill it you can see if you have a leak in the radiator or a hose, etc. If there is a bunch of smoke coming out the tail pipe or the oil level is really high, than you have blown a head gasket.

Mar 07, 2011 | Chrysler 300M Cars & Trucks

1 Answer

Car is overheating. Radiator looks to be leaking. Too much oil may have been added. Drove it for four blocks and it shut off. Won't start now.

Hello jg662027 and thank you for asking your question, on Fixya.

Here is a simple process that will walk you through a few steps that will pinpoint the overheating problem on your 1999 Chrysler 300M, without even using any tools. It has helped millions of people, and I am certain that it will help you, because I wrote it for people like you. So here is the link to:
How to diagnose your overheating 300

Anyways if that helps you any little bit, then feel free to follow me on Twitter. That one is at:

Thanks for the vote, and good luck!

Oct 04, 2010 | 1999 Chrysler 300M

1 Answer

I have a oil leak on a 1999 chrysler 300m and it seems like it is thru the oil pressure sending unit

chrysler 300m is well known for the oil sending unit to go bad! if u have diagnosed it to be coming from there then ur hunch is prolly right

Sep 26, 2010 | 1999 Chrysler 300M

3 Answers

My 02 chrysler is over heating, my mechanic put a new water pump and time belt in it and it is still over heating, now he thinks it needs a new head gasket, what do you think it could be, and if its the...

if it is the head gasket there will be coolant in the oil or oil in the coolant, I would check to make sure the electric fan is operating, could also be a stuck thermostat or clogged radiator (both of which are MUCH cheaper to check and repair than a head gasket change.

Feb 16, 2010 | 2002 Chrysler 300M

1 Answer

I have a 99 Chrysler 300M that had a slight radiator leak...I had put stop leak in it and it seemed to help for awhile. I know that radiator is aluminum & plastic...well yesterday something happened...

If there is other leak other than the one you have found, air may have entered the system. To ensure that it does not get in and that your are filling up the correct amount of water squeeze the radiator hose on top after each fill to squeeze out the air. You can also let the engine run while pouring water one at a time.

Jun 30, 2009 | 1999 Chrysler 300M

1 Answer

2003 Chrysler 300m overheating

would recommend replacing thermostat first. could be sticking

Nov 15, 2008 | 2003 Chrysler 300M

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