UR opinion, extra transmission cooler..
I pulled the grill on my (5.3 Liter, 4L60e transmission) Suburban to install an oil cooler and there's a factory oil cooler mounted behind the grill already. I traced the line from the return side of...
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Terryallan wrote:
Nope you don't need it. And to be honest. You want the transmission running at temp. Too cool can be a problem. could keep the trany from changing gears correctly. They change differently before they warm up, at least mine does. Won't go into OD before it warms up.
That seems a bit off to me. I hit the highway within 5 blocks of leaving the garage, and my Ecoboost F-150 shifts to 6th gear as soon as I pass about 55 or 60, as long as I'm not accelerating hard. The transmission temp gauge hasn't even started to move yet (even the engine temp hasn't started to register).
For the OP, if you already have one, then I doubt that adding a second one would be necessary.
