Radiator fluid disapearing. But no visable leaks

Asked by Aug 16, 2014 at 10:36 PM about the 2005 Dodge Neon 4 Dr SXT Sedan

Question type: Maintenance & Repair

Ok so i have a 2005 dodge neon sxt 4 door.
I bought the car used this year. It started
over heating 3 weeks after i bought the car
turns out the hose clamps were losse so
tightened them up and replaced the fluid.
July 3rd i took a trip with the car drove
about 120 miles as i was comming up to
my destination the gage started to rise. So i
parked it for the night and left the next
morning and drove about 45 miles and the
needle jumped to the red zone after stoping
for a bathroom break. So i waited for it to
cool off and filled it with fluid again. And
started it up and let it idel for about a hour.
Then i looked under the car around the
hoses and radiator its self. There were no
leaks at all. Made it back home after it
overheated about 3 times always stoped
when the needel atarted to climb. Me and
my father checked the car over found no
holes on the radiator hoses. Then we took
the radiator out and rad water through it
and no leaks from there. So we cleaned the
radator out and put it back in and filled it
back up. As of 2 days ago it started doing it
again. So i dont know what else to do. We
have burped it flushed it havent replaced
the hoses because they were new when i
boight the car. Thurmastat is good and the
water pump i believe is good.  Im taking it
monday to the machanic to get presure
tested to see if that will help. Im lost and
dont know what else to do with this car so
thats my story. Any and all answers will
help

15 Answers

83,245

Blown head gasket, have the shop do a block check that should tell you if it is blown or not.

1 out of 1 people think this is helpful.
104,235

I agree. Also if you can see the weep hole on the water pump inspect it for signs of leakage.

Im also having problems with cylinder 4 miss fireing somtimes

104,235

Most times that's due to either a spark plug or plug wire/boot issue.

104,235

Can inspect wire/boot for carbon tracking. Gray coloring on them at an area where it might be contacting/shorting out on metal.

104,235

And that miss fire could also be due to a blown head gasket as tennisshoes stated above.

All spark plugs, wires and coil are brand new

217,165

So the head gasket at cylinder #4 is probably compromised. The compression test will verify that.

31,975

Dodge should be shot for ever producing such a POS. Half the questions come from desperate owners.

1,445

^do you ever post something helpful? what do you drive anyway?

31,975

Justin, I've driven bought , sold and owned just about everything that's even been made. Been doing this since before you were a twinkle in your daddy's eye. Now go find a nice quite corner and play your video games.

So i got under the car today and found a small leak not sure from where but its radator fluid. Toped it off and went to go for a drive around the block to warm it up to temp and my right real wheel seezed up heard a griding clunking noise when i was pulling back in to the driveway. I think my drumbreak when out but not sure.

And i agree they should be shot for making this car

83,245

Most likely the hub went bad, as the bearings are sealed, it could have tore up the brake linings as well as the drum.

Turns out one of the shoes went bad and the pad broke off

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