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 draining coolant
#706869
03/16/06 03:45 AM
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Joined: Nov 2005
Posts: 18
OP
Need a Spot
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i need to drain the coolant out of my block. but, were is the drain plug located. i have a 3.0
93 Montero SR, 33x12.5's, 2" lift, 2.5" custom exhaust
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Re: draining coolant
[Re: cybak]
#706870
03/16/06 11:58 AM
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Joined: Feb 2004
Posts: 10,238
Web Wheeler
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One on each side - about the middle (front-to-back) of the block. They're very hard to find or access with the engine in-frame. They're not petcock valves - they're cap screws IIRC.
Frank
'89 [color:"white"]G-Raider[color:"white"] [color:"black"]Supercharged 3.0L, MegaSquirt 2, lockup A/T, 2.5" exhaust, 172k, Cibie H4s/Oscar SCs, Hella Micro DE fogs, Cobra CB, Superwinch hubs, LSD rear/Aussie Locker front, Bilsteins, Lifeline AGM, Rust-Oleum
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Re: draining coolant
[Re: cybak]
#706871
03/16/06 01:31 PM
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Joined: Mar 2005
Posts: 1,006
Body Damage is Cool
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I've done this and Frank is correct, they are difficult to access. I believe I had to pull the front wheels off and use a long extension from inside the fender well, through the rubber splash guards. They may take a bit of torque to crack off depending on the corrosion inside. I would recommend a 1/2" drive. I only did it because I was self doing a major coolant flush, but have since found it easier to pay a shop the $65 for a flush machine coolant change.
92 Montero LS 3.0L V6 Auto, Stock, Original owner, 185,800K miles
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Re: draining coolant
[Re: pcc]
#706872
03/17/06 06:40 PM
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Joined: Feb 2005
Posts: 509
Rock Warrior
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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
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Re: draining coolant
[Re: Winston]
#706873
03/18/06 12:37 PM
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Joined: Mar 2005
Posts: 1,006
Body Damage is Cool
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Method works well Winston, but is time consuming. I also found I had gallons of anti-freeze mixed water that had to be taken to a proper facility for disposal. I you do do it this way make sure you dispose of it properly.
92 Montero LS 3.0L V6 Auto, Stock, Original owner, 185,800K miles
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