The top hose gets hot, the bottom hose don't and the water in the radiator only gets warm and it don't build pressure why is this?

145

Asked by Mar 10, 2015 at 02:08 PM about the Dodge Ram 1500

Question type: Maintenance & Repair

6 Answers

45,955

Have you replaced the thermostat yet? If not the original owner, someone may have removed it completely. Has it overheated as well?

1 people found this helpful.
145

No I haven't replaced the thermostat yet and it's not over heating I just had to add sum water a couple times and just decided to check it out! And it just seemed weird that it want building any pressure or circulating but it's not over heating

45,955

It may be losing pressure due to the radiator cap itself. Sometimes the seal goes bad. If your temp gauge is not red lining, and is in the mid range, your thermostat is fine. If your temp is running in the cold range all the time, I would check your thermostat. Could be stuck open.

1 people found this helpful.
145

Ok! The temp gauge takes a while to come up when I first crank it and the check gauges light cums on! Then I can kill my truck and start it back and it goes off

45,955

You should drive it to an Autozone and get the error codes read. Even if the light goes out after a while, the code will be stored. Probably just a bad O2 sensor.

145

Ok! Thank u!

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