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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I would return the cooler and stick with OEM. Partially because IMO any additional fittings or rubber hoses present additional risk of leaking. As long as you have the OEM cooler with steel lines and flare fittings I would not bust into it.
If concerned about the transmission consider a fluid exchange with synthetic fluid if you have standard fluid in now that has some miles on it.
If concerned about the transmission consider a fluid exchange with synthetic fluid if you have standard fluid in now that has some miles on it.
