My John Deere 625i Gator is overheating. The warning light comes on, the overflow reservoir fills, and fan comes on. What can be the causes of my problem?

SOURCE: John Deere Gator 4x2 - Left Wheel doesn't move when in 2nd gear

I would replace the high/low switch and the reverse switch. One time a replaced the high/low switch and the reverse switch quit on me 2 weeks later.
You can also get the Peg Perego Gator Shifter that upgrades the vehicle.
You can get the parts and repair help at this site
http://www.shopjandl.com/kids---baby-ride-on-toys-peg-perego-switches-and-shifters.html
They have helped me several times.
Hope this helps

SOURCE: drive gear is stripped on ertl riding john deere

www.greenfunstore.com/John-Deere-Toy-Parts.html

They have your parts.
if you googe ertl parts, you will find more sites that carry them as well

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I have the switch go bad on the gas pedal. You can find a replacement here http://tigerimports.net/sunshop/

SOURCE: help for my childs John Deer Gator

the peg perego gators have two switches in the shifter that need replaced.
I have replaced them before on my grandkid's gator.
Here is the website I get my parts from
http://www.shopjandl.com/kids---baby-ride-on-toys-peg-perego.html
You can also call them direct at 1.801.655.0800.
They seem to always know which part I need and I have always been very happy with their service.
Hope this helps

SOURCE: john deere gator 1999 4x6 overheating.replaced

bleed air out of cooling system contact dealer for instructoins