I bought a used 2004 Range Rover HSE last week, it has 110,000 miles and I was able to pick it up for 3,900.00 USD. I drove this thing once and fell in loved the engine, and overall felt great to drive. I knew it wasn't without problems, but I don't mind turning a wrench and love troubleshooting and fixing stuff.
It does have some issues with the transmission that I want to get resolved before I put any miles on it. After reading on here over the last week, My knowledge of the Transmission and coolant system is growing. But would like some guidance as to how to proceed.
On cold start the transmission shifts smoothly and performs just as I would expect it to. But, after driving around a city environment with frequent shifting, the transmission is getting hot and the RPMs have to increase to a higher threshold before shifting. As I slow down, it will downshift from 4->3 then to 3->2 and finally from 2->1. if I try to accelerate at this point, the transmission will not shift back up. If I turn the rig off, and restart it will resume normal operation for a time, but seems to shift pretty rough, specifically there seems to be a rough downshift when coming to a stop at a stop sign.
My understanding is that this is a failsafe mode and this is the electronics protecting the transmission from overheating. I shot the transmission oil pan with an IR thermometer and it is reading between 100 and 115 (centigrade) depending on the location I focus on with the thermometer.
The most troubling part is that there appears to be water dripping off both sides of the pan. I checked the coolant level and it is full (probably too full), and the coolant is blue (which I think is the wrong coolant).
I have a link to a picture, and video below, and I plan to document the repairs with video and pictures to help all others in the future who have the same problems.