Drain, refil with distilled water. Drive till warm. Drain, refill with distilled water. Repeat. Once it drains clear, fill with the proper amount of straight coolant to equal 50% of your cooling system capacity. Then top up with distilled water.

It is easier than accessing the block drain plugs.


'90 Montero XLS (Sold, sadly)
'95 Montero LS 160k
'03 Montero Limited 30k