04-19-2013, 03:19 PM
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04-19-2013, 03:26 PM
I am not sure what is normal, but I my transmission usually stays around 201-205F.
04-19-2013, 03:34 PM
Today mine was running about the same but on some hard uphills in Kansas it was getting up to 210-215.
It would come back down after I'd crest the hill. Engine temps were getting up to 205 then dropping.
Just wondering what is considered getting close to overheating?
It would come back down after I'd crest the hill. Engine temps were getting up to 205 then dropping.
Just wondering what is considered getting close to overheating?
04-19-2013, 03:44 PM
Forest, I have seen the same thing and wondered the same thing. Last time I was at Newell they tested transmission cooling fans and did not find anything wrong....But I am still wondering.
04-19-2013, 03:53 PM
I don't think it's a problem either Bill. I just got the transmission temp gauge working on the vmspc. You know too much information can be a bad thing....
But I did get the speedometer on the vmspc within less than 1 mph of my speedometer in 3 tries!
But I did get the speedometer on the vmspc within less than 1 mph of my speedometer in 3 tries!
04-19-2013, 05:07 PM
Forrest,
I see exactly the same thing, 215 max on longer hills. I fretted about it for a couple of years. The Allison tech info says no problem. I have changed the fluid in mine and it was not discolored from heat. I think Ron Skeen says his is the same too. When it hits 215, I think it turns on the fans because it is too coincidental tha it always hits 215 and then drops like a rock.
I see exactly the same thing, 215 max on longer hills. I fretted about it for a couple of years. The Allison tech info says no problem. I have changed the fluid in mine and it was not discolored from heat. I think Ron Skeen says his is the same too. When it hits 215, I think it turns on the fans because it is too coincidental tha it always hits 215 and then drops like a rock.
05-06-2013, 01:28 PM
I am a big proponent of using synthetic ATF in transmissions. Allison recommends 300,000 miles or 4 year oil change intervals, on their 6 speed transmissions when using large capacity Gold filters and Mobil Delvac or Castrol TranSynd.
05-06-2013, 02:32 PM
So John what does Newell charge for a transmission fluid change to Transynd and filter change?
Not sure what is in my Newell #486 or the last time it was serviced.
Thanks.
Not sure what is in my Newell #486 or the last time it was serviced.
Thanks.
05-06-2013, 02:48 PM
I had mine changed over to transynd when I bought it from MOT. It was about 5 or $600.00. It holds about 36 qts. on a oil change and trransynd is about $50.00 and gal. plus the filters. Since it had dextron it will need the main filter change in about a year and add several more qts. Chappell
05-06-2013, 03:04 PM
Forest, you can take it to any Detroit dealer and they have everything need to change the fluid and the filters. I suggest you consider synthetic. With synthetic, you should not have to change it again for 100,000 miles.
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