Quote:
Originally Posted by mightymax
Haven't done it on the 4runner yet, but did it on my explorer. Not much help for the torque question. I would certainly drain out a little bit of the coolant when doing that. Much easier to drain it down some, especially before removing the thermostat, otherwise you'll spray coolant all over the place.
For the o-ring, make sure you scrap and clean off that connection point from the old o-ring as best you can. It took a flathead screwdriver to make sure both the thermostat and engine block were cleaned off. Replace the o-ring (make sure it's the right one) so you have a new, clean connection.
Not sure if that helps, but those were a few things I learned on my old car. Good luck!
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Thanks for the reply, I was hoping there is no air bleeding procedure or a need to drain 3 qt.s to make the loss of coolant minimal from the t-housing.
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