[FRSBRZGT86FAN]

Originally Posted by AG3NT_5CARFAC3

I think going to the dealer for this service is the correct way to get this done - im at 35,6xx miles - Ill ask for transmission and diff fluid change service.

A transmission cooler is a smart idea if pushing big numbers or generating a lot of heat.
Would, lets say Scion, be able to full the correct amount if cooler was added?

Thanks

I was bored so I checked the service manual, if they do the process properly, which involves starting the engine putting the transmission in drive letting it reach temperature and checking the fluid levels again, then it should fill the cooler, this is assuming the cooler has no thermostat and free flows otherwise I'm not sure their fill technique will reach the correct temp to open the thermostat and allow ATF to flow to the cooler dropping the levels and making them add more......

According to the service manual "The ATF temperature must be between 42 and 47°C (108 and 117°F) to accurately check the fluid level.". I personally think that as long as the mechanic does a proper following of the service manual and does a good test drive and checks the fluid level again you should be fine.