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Capt Spaulding · 05-04-2020, 08:33 PM

Folks,

Looking at the service manual and the parts fiche, auto trans cars have what appears to be a return line from the transmission cooler that connects to the main engine discharge water pipe that crosses the top of the engine and ultimately feeds into the upper radiator hose. The connection appears to be just across the pipe from the bypass line back to the water pump. The port it connects through is blocked off by a blanking plate on MT cars and the ATs use a thermostat and housing. Has anyone tried running the return line for the oil cooler through that port? It would be a simple matter (I think) to buy the $12 housing and connect the return line there (without the thermostat).

TIA

05-04-2020, 08:33 PM	#584
Capt Spaulding Persona Non Grata Join Date: Nov 2015 Drives: '15 BRZ (WRB) Location: On the Border Posts: 1,882 Thanks: 2,016 Thanked 2,782 Times in 1,201 Posts Mentioned: 10 Post(s) Tagged: 1 Thread(s)	Folks, Looking at the service manual and the parts fiche, auto trans cars have what appears to be a return line from the transmission cooler that connects to the main engine discharge water pipe that crosses the top of the engine and ultimately feeds into the upper radiator hose. The connection appears to be just across the pipe from the bypass line back to the water pump. The port it connects through is blocked off by a blanking plate on MT cars and the ATs use a thermostat and housing. Has anyone tried running the return line for the oil cooler through that port? It would be a simple matter (I think) to buy the $12 housing and connect the return line there (without the thermostat). TIA __________________ Slow is smooth, and smooth is fast Last edited by Capt Spaulding; 05-05-2020 at 02:16 PM. Reason: clarity