4L60E temp and sensor location
I'm sure by now everyone has heard or asked about towing temps and sensor locations on the 4L60E transmission. I currently just added a 3rd tranny cooler to the factory radiator cooler and the fa...
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I installed a external cooler and temp gauge on a 98 Safari. Had the temp sensor located on the line out of the trans to the external cooler.
The external cooler was first to get the hot oil (after the temp sensor) then into the factory cooler in the radiator. Pulled a 27 foot Surveyor (around 5600 lbs) for 8 years and never saw the gauge get over 210 when the torque converter was unlocked. Ran 180 on the long haul (always locked) and in 3rd gear (drive).
Drove the van for another 5 years not towing and the trans was quite and smooth as if it had never pulled anything. Did regular fluid and filter changes while towing. Would still have the van, but did not need it any more and the brake lines rusted out,
The external cooler was first to get the hot oil (after the temp sensor) then into the factory cooler in the radiator. Pulled a 27 foot Surveyor (around 5600 lbs) for 8 years and never saw the gauge get over 210 when the torque converter was unlocked. Ran 180 on the long haul (always locked) and in 3rd gear (drive).
Drove the van for another 5 years not towing and the trans was quite and smooth as if it had never pulled anything. Did regular fluid and filter changes while towing. Would still have the van, but did not need it any more and the brake lines rusted out,
