Can check the radiator fluid and motor oil condition. Don't recall what the coolant change is (if there's oil in it) but the motor oil will be a chocolate brown if the coolant is in it.

Alternatively any trained mechanics can run a test to check for issues. <img src="/forums/images/graemlins/kewl.gif" alt="" />

Off Roader
98 Montero with the Winter Package
89 Montero minty clean and reserved for overlanding trips or Cars and Coffee events
96SR (3.15:1 xcase, 35's) gone to the rust gods
96SR Build Up Thread
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Old web page