Cooling system on Gehl RS5

I ended up working on a reach-lift that I found several problems when I performed my inspection. The line coming off the hydraulic pump was leaking so that had to be replaced with a high pressure hose. Those are always more difficult to maneuver then a regular hydraulic hose, and make getting the fitting started much more time consuming.

It also had a transmission leak running down the side of the bell housing. I washed and and ran it to identify the leak and it turned out to be one of the two plugs on top of the transmission. I changed the o-ring and it stopped leaking.

The third problem was that the coolant gauge never read the engine temperature getting above 120 F no matter how long you ran it. I popped the panel off for the gauge and it had good power and ground. Next I checked the signal wire for the coolant temperature sender which is a thermistor. It was measuring about 8.5 volts at the gauge and the sender. This brought me to the conclusion that the gauge is faulty.

40hr
490hr