Excursion 4WD V10-6.8L (2002)
Transmission Cooler: Description and Operation
Transmission Cooling
Automatic Transmission Fluid Cooling System
Automatic Transmission
The automatic transmission fluid cooling system consists of:
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an in-tank fluid cooler inlet tube
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a non-repairable in-tank transmission fluid cooler
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an in-tank fluid cooler outlet tube an Oil-To-Air (OTA) fluid cooler inlet/outlet hose assembly an OTA transmission fluid cooler a fluid cooler
return tube
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hose clamps
The transmission fluid flows from the transmission front fitting, to the intank transmission fluid cooler, to the OTA transmission fluid cooler, and
returns to the transmission rear fitting.
CAUTION: Do not attempt to backflush and clean the OTA transmission fluid cooler. Install a new OTA transmission fluid cooler as part of a
transmission overhaul or exchange. Failure to follow these directions can result in transmission damage.