should my trucks transmission be running hotter now that i had the transmission rebuilt?

Asked by Jul 28, 2013 at 10:12 AM about the 2007 GMC Sierra 2500HD 2 Dr SLE1 Extended Cab 4WD

Question type: General

needed to have my tanny rebuilt and ow that i have had it done it seems to be running
hotter, should i be concerned?

3 Answers

78,125

Yes, heat breaks down the fluid. If its just slightly hotter check the temperature of it with a lazer type thermometer. Could be the new temperature sensor is just calibrated differently and is causing the needle on the gauge to read higher. If you find the temperature really is higher take it back to whomever did the rebuild. Don't want to void any warranty due to "neglect" or "abuse". HTH. -Jim

1 people found this helpful.

Hopefully they put a good synthetic ATF in it.. and not cheap crappy fluid.

20

U may have a clog in the trans Cooling system slowing the fluid flow or the outside of the trans cooler is clogged by debris maybe a bend in the trans line slowing down the fluid . Fix it ASAP or u will be replacing or rebuilding the trans

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