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Dodge-Plymouth Neon: Overheating

61 messages,  Last post on Oct 28, 2009 at 2:42 PM

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#52 of 61 1994 plymouth Neon overheat problem by jenschis Mar 01, 2009 (7:55 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 61 Re: 95 dodge neon coupe, overheating after 10 mins. [badral] by mrush336 Mar 09, 2009 (7:03 pm)
Replying to: badral (Jul 15, 2005 6:37 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. Replies to this message: alvayoung (Mar 28, 2009 4:51 am) teresa14 (Mar 28, 2009 3:35 pm)
#54 of 61 Re: 95 dodge neon coupe, overheating after 10 mins. [mrush336] by alvayoung Mar 28, 2009 (4:51 am)
Replying to: mrush336 (Mar 09, 2009 7:03 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? Replies to this message: teresa14 (Mar 28, 2009 3:35 pm)
#55 of 61 Re: 95 dodge neon coupe, overheating after 10 mins. [alvayoung] by teresa14 Mar 28, 2009 (3:35 pm)
Replying to: alvayoung (Mar 28, 2009 4:51 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 61 Re: car overheating, radiator fan is not working [phatbecker] by sandyneon Aug 12, 2009 (10:14 pm)
Replying to: phatbecker (Aug 13, 2005 2:49 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 61 2001 Neon Overheating by dmbain Sep 27, 2009 (5:05 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? Replies to this message: Mr_Shiftright (Sep 27, 2009 5:18 pm) teresa14 (Sep 27, 2009 8:04 pm)
#58 of 61 Re: 2001 Neon Overheating [dmbain] by Mr_Shiftright HOST Sep 27, 2009 (5:18 pm)
Replying to: dmbain (Sep 27, 2009 5:05 pm) pressure test for a bad head gasket.
#59 of 61 Re: 2001 Neon Overheating [dmbain] by teresa14 Sep 27, 2009 (8:04 pm)
Replying to: dmbain (Sep 27, 2009 5:05 pm) Same thing happened to my 1995 Dodge Neon. I changed the thermostat, then the water pump and timing belt, then the radiator. I ended up selling it because I thought it had a bad head gasket, however, it ended up being something to do with cracked pistons or something. The guy I sold it to fixed it and is still driving it today, so I would have a mechanic look at the pistons.
#60 of 61 Engine starts to missfire as temp reaches normal by neongreg Oct 06, 2009 (6:12 am)
I have a 95 Neon SOHC, bought new, now with 126K miles, and I have just begun to experience this problem. When I start the engine, it runs smoothly until reaching normal temperature and then the engine starts to missfire, surge, sputter, and eventually shuts down. It took me 6 tries to get my car home as I had to let the engine cool between each run. I just replaced the Mopar HP PCM that I installed a few years ago, with a new one. I replaced the waterpump a few years ago and it seems fine. I ran my analizer on the engine and it gave me cam sensor, crank sensor and coil failure codes, but the coil is an MSD that I installed less than a year ago, and the engine runs smoothly until the temp reaches normal. I would think that a bad cam/crank sensor would cause problems from inital startup and not just after warmup. I have not pressure tested the cooling system lately, but I smell no coolant and see no leaks. No indication of a bad head gasket (original) but I have not pulled the plugs yet. Could the O2 sensor cause this problem after heating up? I also replaced the thermostat 2 years ago, but if stuck, would this be a possible cause? I would appreciate any help!
#61 of 61 grrr by wittlun Oct 28, 2009 (2:42 pm)
I had been having problems with my 2004 Dodge Neon with just under 70,000 miles on it. Of course I've taken it in several times with the "everything's fine" response. It idles funny when stopped at lights, and sometimes the "engine jumps" (the best way I can describe it). when I'm driving, the engine randomly "jumps", and when i pull in and out of parking spots, it's almost like the engine hesitates. About a month ago it started overheating... I took it in and was told that it was the headgasket. They replaced my headgaskets, timing belt, and crank shaft ring. It ran smoothly for about 2 weeks. The new timing belt noise didn't go away, so they told me that I need new "bearings" for the timing belt. Was told it wouldnt hurt the car to wait (until they found it used instead of $300 for new). But the car started doing all the same things again! Then yesterday, it overheated again. The mechanic "can't find anything wrong" - any thoughts??

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