Need help trans temp!
#1
Senior Member
Thread Starter
Need help trans temp!
Ok y'all so I replaced my bad fan clutch today because it was seized and would run a lot more than it should but now my trans runs really hot and engine seems to run hotter easier. I have the small factor trans cooler not the tow package one but I'm lost as what to do. It's 83* outside and the trans is sitting at 190 and normally would be more like 180. I need to keep it cooler because I have 35" tires. Should I go bigger trans cooler or what? It gets hotter as i sit still. I need to fix this ASAP. 2004 f150 5.4 135,000 miles
#3
Senior Member
How's your coolant?
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#8
Senior Member
Thread Starter
Need help trans temp!
I do tow a 21' Grady white a lot in the summer and other trailers when needed. What is the easiest way to flush the system and replace it??
#9
Moderator (Ret.)
If you go the route of dropping the pan yourself, you will only get about 4 1/2 quarts of fluid replaced along with a new filter, leaving 5 to 6 quarts of dirty fluid in the torque converter and valve body.
If you tow, that fluid should be changed every 30 to 50K. Yes, I know Ford claims they use "lifetime" transmission fluid, but a 21' trailer puts much more of a load on the transmission.
I'd also consider upgrading to a larger transmission cooler.