I have a 2013 Aspire on the Spartan MM Chassis. In the drive axel area, there are 2 different smaller coolers (like a small radiator). One is on the passenger side in front of the drive axel, and I know that it is a cooler for the engine hydraulics (I believe, following the hoses).
The second Cooler in in the center of the chassis, and tucked up high and looks to be about 18" x 18". I am not at the motor home, but I have a leak somewhere around that unit, either the cooler, or a hose running in and out. It is very difficult to access this area because it is above and toward the front of the drive differential, and hard to reach up that high. I will inspect the fluid when I get back to the rig in a few weeks, but was wondering if anyone knows what fluid is running through that cooler.
I have a small leak in the engine radiator as well
, and plan to drive from CA back to Dallas in April, and will contact National Indoor in Lewisville to to have these looked at and fixed.