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Old 03-30-2016, 12:10 PM
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Coolant Drain plug on 3.4?

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Old 10-25-2007, 09:31 PM   #1
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Coolant Drain plug on 3.4?

Can anyone point out to me where on the engine block the coolant drain plug is located on a 97 Tacoma 3.4l? I can't for the life of me find the damn thing and would like to do a complete flush of my cooling system.

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Old 10-25-2007, 09:34 PM   #2
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you mean on the radiator? if not you could always take out thermostat and drain more there. i think thats the lowest spot the coolant goes
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Old 10-25-2007, 10:05 PM   #3
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No, I mean on the engine block. FSM shows a coolant drain on the radiator and one on the engine block on the passenger side. Can't locate it.

I will be changing the t-stat, so maybe I'll just drain it from there, but why is it so difficult to locate the engine block drain?

Last edited by kkim; 10-25-2007 at 10:07 PM.
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Old 10-25-2007, 10:31 PM   #4
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not sure ive never really seen a plug on the 3.4 pass side then again i havent looked for one
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Old 10-25-2007, 11:01 PM   #5
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thanks... found the answer on another forum.

http://tacomaterritory.com/forum/showthread.php?t=79291
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Old 10-26-2007, 01:44 PM   #6
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Here's a better pic of one. This is on a 2001 Taco, see the red arrow behind the motor mount:


Note on the 3.4 5VZFE there is only one on the passinger side, removing the thermostat drains the drivers side of the block.

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Old 10-26-2007, 01:57 PM   #7
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Quote:
Originally Posted by mt_goat View Post
Here's a better pic of one. This is on a 2001 Taco, see the red arrow behind the motor mount:


Note on the 3.4 5VZFE there is only one on the passinger side, removing the thermostat drains the drivers side of the block.
Thank you! That is very helpful.
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