The solution is to add a fan to your oil external oil cooler.
Vw bus external oil cooler installation.
That 35 cooler just went to 105 as a quality fan will run 70 but we re still just getting started.
Choice of coolers with slip on ends for street applications or with 8an fitting for high performance uses.
We ll come back to the fan which will keep the cooler from getting too hot but what about getting the oil up to a serviceable 180 degrees in the first place.
The oe atf coolant cooler is replaced with an atf air cooler no more danger of your atf and coolant mixing the oe cooler uses the engine coolant to cool the atf when it fails fluids mix and the transaxle is ruined.
The engine a h bus case 1500cc that was completely rebuilt in 2013 got new 1600cc cylinders and dual port heads etc.
Why install an external cooler kit.
Includes oil bypass adapter for stock oil cooler 8 pass oil cooler spin on remote oil filter bracket high pressure oil hose fitting clamps and illustrated installation instructions.
It got updated with a doghouse cooler but clearly its not up to the job so next step will be an bigger external remote empi oil cooler with fan.
Air passed through the external doghouse oil cooler then vented out behind the engine under the transmission area.