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xsvector
xsvector, Auto Mechanic
Category: Dodge
Satisfied Customers: 16052
Experience:  asetech
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I have a Ram v6, 08. Used to run 200 deg all the time, rain

Customer Question

I have a Ram v6, 08. Used to run 200 deg all the time, rain or shine, summer or winter. Now it runs 206 to 211. It started overheating on the way back to CA from TX. I replaced t-stat, water pump, fan clutch, temp sensor. Temp sensor made the most difference. Also, gas mileage dropped a lot. No codes standing on OBD. What am I missing?
Submitted: 1 year ago.
Category: Dodge
Expert:  xsvector replied 1 year ago.

how hot is it getting?

Customer: replied 1 year ago.
206 to 211
Expert:  xsvector replied 1 year ago.

thats not overheting...is it pushing coolant out of the resevoir?

Customer: replied 1 year ago.
Negative, then why would temp change and why would the mpg drop at the same time?
Expert:  xsvector replied 1 year ago.

is the radiator and condensor filled with bugs or debris?

Customer: replied 1 year ago.
Negative, they are clean, engine is clean, odo at 41k.
Expert:  xsvector replied 1 year ago.

did you install a factory t stat?

Customer: replied 1 year ago.
Affirmative, factory 195 deg t-stat.
Expert:  xsvector replied 1 year ago.

when it overheated how hot did it get?

Expert:  xsvector replied 1 year ago.

i need to step away from the computer for 20 let me know how hot it got when it overheated

Customer: replied 1 year ago.
initially, it went to 213 climbing the grade on I-10 in El Paso. After that, it would vary from 195 to 213. After replacing aforementioned parts, all OEM equivalent or premium parts from Rock Auto, it did the same thing until I changed the temp sensor after which it would stay in the 206 to 211 range. Temp sensor was last thing to be changed, other parts were changed 1 at a time. To me, something is wrong, the ECU sees that in the temp reading and adjust the A/F ratio up to keep it from pinging or knocking thus dropping mpg.
Customer: replied 1 year ago.
Going to Bible study in 5 minutes, back in 2-1/2 hrs. Please leave final pointers. No codes on OBD, also, it idles smoother, another indication to me that the A/F ratio is up.
Expert:  xsvector replied 1 year ago.

thats all within factory spec ..did you use all mopar parts?

Specification

Begin to open at 85.5 - 89.4°C. (186 - 193°F )
Fully open (valve will stop moving) at 97°C (207°F
try water wetter it helps reduce coolant temps... http://www.redlineoil.com/product.aspx?pid=74&pcid=10

Customer: replied 1 year ago.
Thanks for your help, John, I'm done.
Expert:  xsvector replied 1 year ago.

i use water wetter in all my race cars...it drops coolant temp,,,,the stuff is amazing..Please remember to only rate my service when you are satisfied. IF you feel the need to rate "Poor Service" or "Bad Service", please stop and reply to me via the REPLY TO EXPERT button with the issue you have. I will be happy to continue further and do everything I can to provide you with the service you seek.

I am not paid unless I get a rating of 3 to 5 Stars/Smiley Faces. If I have helped you with your question, please give me an appropriate rating so that I get credit for helping you..