Truckers Report Jobs

Find Trucking Jobs

Company Driver Company Driver Dry Van Dry Van Flatbed Flatbed Refrigerated Refrigerated Specialized Specialized Owner Operator Owner Operator
More Trucking Job Searches ⌄ Fewer Trucking Job Searches
⌃

Water cooled 13 speed running hot?

Discussion in 'Trucks [ Eighteen Wheelers ]' started by allan5oh, Jul 21, 2015.

Page 1 of 4
  1. Jul 21, 2015 #1
    allan5oh

    allan5oh Road Train Member

    1,557
    556
    Jan 6, 2010
    Winnipeg, mb
    0
    I have a water cooled 13 speed that seems to be running hot. Going through Wyoming on 25 the engine coolant temp seems to be heating up quicker than normal. I dont even have to make full power at 60mph and the engine fan will come on. I don't have a transmission gauge so I use a gun. At the top of a hill that I took it easy going up the transmission was 240 and the diffs were around 150. Usually actual temp is higher. For example the engine oil pan will read 160 when it's actually 175.

    I'm not sure if the transmission is entirely at fault, but I did put in 185 thermostats in the engine recently and the water pump is only 2 years old. It's a detroit tuned by leon.
     
    allan5oh, Jul 21, 2015
    allan5oh, Jul 21, 2015
    #1
  2. Truckers Report Jobs

    Trucking Jobs in 30 seconds

    Every month 400 people find a job with the help of TruckersReport.

  3. Jul 21, 2015 #2
    201

    201 Road Train Member

    11,276
    22,854
    Apr 16, 2014
    high plains colorado
    0
    Hi allan, I'll try. 1st, a water cooled 13 speed? Unless something has changed, I never heard of engine coolant going to the transmission. I believe you have 2 issues here. The engine fan coming on could be a plugged radiator inside or clogged fins on the outside. The temp on the trans seems about normal for a hard pull up a long grade with a load. I suppose if the engine gets hot, it may cause the trans to get hotter. Some say synthetic oil in the trans makes them run cooler and shift better. I've seen some run auxiliary trans coolers with limited success. If it's a hot day, I wouldn't worry about the trans as much as the cooling of the motor. Anybody? Good luck.
     
    201, Jul 21, 2015
    201, Jul 21, 2015
    #2
    allan5oh Thanks this.
  4. Jul 21, 2015 #3
    allan5oh

    allan5oh Road Train Member

    1,557
    556
    Jan 6, 2010
    Winnipeg, mb
    0
    Most transmissions are water cooled. The cooler sits on top. The pull wasn't hard because I was backing way out of it less than 20 psi boost, plus I forced the engine fan on the whole way up. Just seems high. Eaton manuals say you don't want to stay at 250. I have no doubt it was higher.

    Outside temp is 90. 35k on the trailer.
     
    allan5oh, Jul 21, 2015
    allan5oh, Jul 21, 2015
    #3
  5. Jul 21, 2015 #4
    allan5oh

    allan5oh Road Train Member

    1,557
    556
    Jan 6, 2010
    Winnipeg, mb
    0
    I've gunned it a few times and don't ever remember above 200.
     
    allan5oh, Jul 21, 2015
    allan5oh, Jul 21, 2015
    #4
  7. Jul 21, 2015 #5
    Superhauler

    Superhauler TEACHER OF MEN

    12,209
    100,723
    Jan 30, 2010
    keep stroking.
    0
    I say that is pretty normal temps. in that kind of ambient temps. 25 in wyo has always been rough with temps with the cross winds you get instead of with head on wind. cross winds will actually pull air away from your radiator. plus the higher elevations. just make sure the trans cooler isn't dumping antifreeze into the trans.
     
    Superhauler, Jul 21, 2015
    Superhauler, Jul 21, 2015
    #5
    allan5oh Thanks this.
  8. Jul 21, 2015 #6
    Fajo

    Fajo The Dark Knight

    2,214
    2,352
    Jan 26, 2013
    Boise, ID
    0
    The eaton on my prostar stays around 180 under heavy load, Via the gauge on the dash.
     
    Fajo, Jul 21, 2015
    Fajo, Jul 21, 2015
    #6
    allan5oh Thanks this.
  9. Jul 21, 2015 #7
    taxihacker66

    taxihacker66 Road Train Member

    1,344
    1,224
    Feb 26, 2012
    Concrete jungle.
    0
    ? I must have a old one as it uses sae 50 ?
     
    taxihacker66, Jul 21, 2015
    taxihacker66, Jul 21, 2015
    #7
  10. Jul 21, 2015 #8
    allan5oh

    allan5oh Road Train Member

    1,557
    556
    Jan 6, 2010
    Winnipeg, mb
    0
    They still have sae 50 but there's no air cooler. It's a small water cooler by the shifter.
     
    allan5oh, Jul 21, 2015
    allan5oh, Jul 21, 2015
    #8
  11. Jul 21, 2015 #9
    Captain Canuck

    Captain Canuck "Captain of the Ship"

    854
    541
    Apr 7, 2007
    Woodstock, NB, Canada
    0
    It's not water cooled. A transmission has no water jackets. It DOES have a transmission cooler that recirculates the transmission oil through the little radiator-looking thingy. I would suggest that either the cooler is clogged or you have a collapsed line or airflow to the cooler itself may be blocked by something.
     
    Captain Canuck, Jul 21, 2015
    Captain Canuck, Jul 21, 2015
    #9
  12. Jul 21, 2015 #10
    taxihacker66

    taxihacker66 Road Train Member

    1,344
    1,224
    Feb 26, 2012
    Concrete jungle.
    0
    Wow. Didn't know that. Mine has an external cooler but has the sae 50 running through it. When did they start with the water cooler?
     
    taxihacker66, Jul 21, 2015
    taxihacker66, Jul 21, 2015
    #10
  • Truckers Report Jobs

    Trucking Jobs in 30 seconds

    Every month 400 people find a job with the help of TruckersReport.

    • Page 1 of 4