Where are the drain plugs on the Engine Block?
#1
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Where are the drain plugs on the Engine Block?
well summer is winding down and my cooling system is running off plain old water i need to put some colant in my system before it gets cold out. Now i want to drain the cooling system completely from the radiator to the block. i cant find these damn drain plugs on the block where are they? any pics and input would be helpful thanks
#2
Retired
I never noticed any while taking photo'* of the 3800, but you probably could knock out the freeze plugs and drain it that way. Don't think they cost that much. Have a look at the pics.
http://www.bonnevilleclub.com/forum/...ic.php?t=60281
http://www.bonnevilleclub.com/forum/...ic.php?t=60281
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2002 *-10 5.7 V8
2023 Jeep Rubicon Diesel
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2023 Jeep Rubicon Diesel
#4
DINOSAURUS BOOSTUS
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If you want to drain 95% of the fluid from it.. pull your knock sensors.. those are nearly the lowest possible items on the water jacket.
#5
Senior Member
Certified GM nut
drain
the older 3800'* did have drain plugs front and back and the series ll has sensors in these locations. So like Bill said you have to remove a sensor.'
The Stealership will like to tell you it has to be put on a special flush machine for a whopping $165 that does everything automatically.
The Stealership will like to tell you it has to be put on a special flush machine for a whopping $165 that does everything automatically.
#7
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2002 *-10 5.7 V8
2023 Jeep Rubicon Diesel
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2023 Jeep Rubicon Diesel
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