Dodge-Plymouth Neon Overheating

90 messages,  Last post on Feb 20, 2013 at 5:10 PM

You are in the Dodge/Plymouth Neon Forum.

What is this discussion about? Dodge Neon, Plymouth Neon, Dodge Neon SRT-4, Engine, Sedan

#48 of 90 1995 Dodge Neon Overflow Tank by teresa14

Aug 19, 2008 (5:07 pm)

I have a 1995 Dodge Neon and I bought it used. I started hearing bubbling in the overflow tank about 6 month ago, so I replace the thermostat, then the waterpump and timing belt. The bubbling stopped. I just had a coolant system flush about a month ago, and 2 days ago my radiator cracked, so I just got that replaced today and the guy who fixed it said my overflow tank is cracked. Is it safe to drive like that? Where can I get a new/used overflow tank?

#49 of 90 98 Neon sport overheating by rabbit61

Sep 12, 2008 (7:50 am)

It's been overheating then going back down to normal temp. When it did this about 2 months ago we replaced the upper hose,the engine gasket and the thermastat. Coolent has been checked and is fine along with the oil. The radiator was flushed not even a week ago. We can see that the oil pan gasket needs to be replaced, it leaks oil about 1quart per 2 weeks. Otherwise we think the radiator could be clogged or need to be replaced. We are having a hard time determining which.

#50 of 90 Re: 98 Neon sport overheating [rabbit61] by Mr_Shiftright HOST

Sep 12, 2008 (8:54 am)

Replying to: rabbit61 (Sep 12, 2008 7:50 am)
both of you need to test for a bad head gasket. Neons of this vintage are known for this problem.

#51 of 90 Re: car overheating, radiator fan is not working [tsteele6] by janisco

Feb 02, 2009 (9:31 am)

Replying to: tsteele6 (Aug 19, 2005 10:18 am)
I'm currently trying to replace the fan relay switch on my '97 neon. But I'm having a hard time removing the plastic electrical piece from the old relay. I would think there would be some kind of release, but i don't see one. Has anyone else had a problem with this? did you just muscle it off with pliers?

#52 of 90 1994 plymouth Neon overheat problem by jenschis

Mar 01, 2009 (8:55 am)

Not sure if this was discussed but here is what happened to me yesterday.
 
I took my girls on a little trip in the hills and on the way there my neon started getting hot. It has never done this, actually, I just purchased this car less then 3000 miles ago and it has ran great. Anyhow, There was no where to pull over so we turned the heater on and it cooled down long enough to get to where we were going which we was only 5 miles away when this happened. I checked and the overflow was completely empty. We let the car cool down and before leaving put in antifreeze and headed home. About 10 miles outside of where we was the car started over heating again. We switched the heat on and all it blew was extremely cold air. at this point the steam bellowed out of the hood and the car shut its self off. We rolled to a stop and popped the hood the overflow was still full! we let the car cool down and put fluid in the radiator which had cracked right at the top about 4 inches long. After the car completely cooled, we tried to start it if for any reason but to get it off the freeway and it only turns over, nice strong battery but won't start. Is there some sort of fuel ignition switch or something keeping it from starting? I pulled the spark plugs to see if there was any fluids in there and they are clean, I did remove the intake to get to the last spark plug cable and maybe I didn't put that on right? is there anything else I can check? Thanks

#53 of 90 Re: 95 dodge neon coupe, overheating after 10 mins. [badral] by mrush336

Mar 09, 2009 (8:03 pm)

Replying to: badral (Jul 15, 2005 7:37 am)
i had a simular problem with a ford thunderbird. It turned out to be the radiator was clogged. i replaced it after bieng told all kinda things from blown head gasket to thermostat stuck open. worth looking into maybe flushing it would help, i chose to replace mine cause the cost wasnt that much and i did the labor myself.

#54 of 90 Re: 95 dodge neon coupe, overheating after 10 mins. [mrush336] by alvayoung

Mar 28, 2009 (5:51 am)

Replying to: mrush336 (Mar 09, 2009 8:03 pm)
After overheating, my neon turned itself off, and now has no spark? original problem was leaking thermostat housing, which is now repaired. However, The spark has dissapeared? I checked the fuses, and they are ok.
 
The speedometer is also erratic. Sometimes it doesn't work at all, then it will come to life and work erratically?
 
Also the dash gauges will suddenly go off. Slapping the dash hard on top will bring them back? Anyone got an idea what is causing these various problems?

#55 of 90 Re: 95 dodge neon coupe, overheating after 10 mins. [alvayoung] by teresa14

Mar 28, 2009 (4:35 pm)

Replying to: alvayoung (Mar 28, 2009 5:51 am)
I dont want to scare you but it sounds like it could be your headgasket or if not the pistons. My 95 Dodge Neon did the same thing and I had the same problem with the gages and speedometer. The mechanic wanted $400 to fix the cluster of gauges under the dash, he said that would fix it from coming in and out. I didnt have it fixed as it wasnt that big of a deal. But mine started overheating after about 10 minutes driving too, it would bubble in the overflow tank. I replaced the waterpump and timing belt, and it worked fine for a while, then started overheating again. Eventually craked the radiator, replaced that, then it ran fine for a few days and then started overheating again. I parked it and then it would not start after. I sold it.

#56 of 90 Re: car overheating, radiator fan is not working [phatbecker] by sandyneon

Aug 12, 2009 (11:14 pm)

Replying to: phatbecker (Aug 13, 2005 3:49 pm)
Wow you know I just replaced my water pump, thermostat, and fan relay and no change. I had 4 different men work on the car and nothing. It took my 17 year old daughter and I to figure out it was a simple $3.00 fuse. Ridiculous huh! Try that it is a bigger green 30A fuse that fits into the box under the hood it even says radiator air conditioner. Try it you never know. I was sick when I figured it out mainly cause everyone said head gasket. Simple fix...works great now

#57 of 90 2001 Neon Overheating by dmbain

Sep 27, 2009 (6:05 pm)

My 2001 Neon is overheating. Just replaced thermostat and water pump with timing belt. Its not leaking anymore but I cant drive more than 5 miles without it overheating. I also flushed the radiator.. What next?
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