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CarGurusNov 3, 2012 - 04 neon will not go into high gear - 04 neon won't go into high gear. changed transmission fluid. (it tried to change after fluid was changed) gas cap ... ... Car: 2003 Dodge Neon SXT, automatic transmission. As of today, I have ...
CarGurusApr 6, 2014 - Your cars computer gathers info on speed in order to shift gears properly.... then you won't have a speedo and the ECM will not tell the TCM to shift gears in the trans. .... Car: 2003 Dodge Neon SXT, automatic transmission.
Without visually seeing your vehicle, you basically have to drain the radiator at the drain valve (sometimes referred to as the petcock) at the bottom corner of your radiator into a drain pan. Then in no particular order remove both upper and lower radiator hoses. Remove the electric fans if so equipped, (carefully remove all electrical connectors as not to break them in the process) and set it aside. Then remove the transcooler lines top and bottom, carefully removing the retaining clips holding these lines on. Again let these lines drain the fluid into a pan and if possible save this fluid in a clean manner so that it can be put back in the vehicle. Then remove any brackets holding the radiator in place including those attached to the condensor that sit in front of the radiator if it is attached directly to the radiator. Of course their may be other parts attached that must be removed depending on your model, but that is the basics of removing it from the vehicle.Then reverse the process in installing the new radiator, Putting either the anti-freeze/coolant that you drained out back in or replacing it with a fresh fifty-fifty mixture of anti-freeze /coolant. Making sure the transmission fluid is topped off to the proper amount of fluid or if you were able to save the fluid put it back in. Another factor is getting the transcooler lines snapped back in properly as to not have them popping apart going down the road. But the largest most important factor when installing the new radiator is to be extremely careful not to ding or damage the fins of the new radiator because they will leak and you will not be able to repair them unless you are extremely talented at radiator repair. Good luck
take off the transmission pan should be a 604 trans there are several shift silionds in side the first one is (a) the second is (B) change it with a new one .change the filter and pan gasket fill with mopar #4 fluid
The drain plug is at the bottom of the radiator on the passenger side. I see no reason to drain it all out unless you just want to change it. If you do our Neons take the orange radiator fluid Havoline "Dex-Cool" invented by Havoline. It has a very bad taste added to it to protect children and pets. I changed it at 74000 in my wife's 2003 Neon SXT using a 50/50 mix of Dex-Cool and distilled water to avoid any scaling residue.
Our Neons cannot use any other type as it will ruin the internals of your engine the coolant comes into contact with.
The anti freeze is to be changed at 100,000 miles. If your coolant reservoir tank (located in the engine compartment on the drivers side just under the windshield large white plastic bottle) is always filling up over time and spilling over you may need a new radiator cap.
The radiator cap lets some of the coolant out in to the reservoir tank as you drive and the coolant expands due to heat. When your radiator cools off a vacuum is created inside of your radiator at that time your radiator cap is to open it's valve and **** the coolant from the reservoir tank back into the radiator via the small hose that leads from just under your radiator cap to the reservoir tank.
Make sure the hose leading from just under your radiator cap to the reservoir tank has a tight seal at both ends as well as no leaks.
If your cap is not operating properly it will just keep letting coolant out and not letting the radiator **** it back in resulting low coolant level in the radiator.