22RE Coolant Drain - Where??
#1
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22RE Coolant Drain - Where??
My toyota manual for my 91' 4Runner claims that there is a coolant drain cock on the engine (Page CO-5, step #3. According to the picture it looks like its on the drivers side but I can't find anything on my engine block that looks like a drain. In the picture it looks like a bolt. I can't imagine that this would be a misprint so do any of you know where the drain on the engine is? If it does exist how would you get to it? In between the frame rail and the block is the exhaust, very tight space.
#2
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I wouldnt worry aboutit to much, i doubt there is that much in the system anyway. Hardly any came out when i did my timing chain/waterpump and stuff.
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I didn't find a drain on my 91 when I had to pull the engine. And I caught most of the coolant when I drained the radiator. Maybe lost a pint or two.... Anyhow, we've got far too many cats, dogs and small kids in the neighborhood anyways to worry about loosing a few.
Heck, I've come home to find someone else parked in my driveway, which ticked me off considerably until I saw a driver come out of another house, and no one come out of mine.
Heck, I've come home to find someone else parked in my driveway, which ticked me off considerably until I saw a driver come out of another house, and no one come out of mine.
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Thanks guys, at least I know it's not me now. I could have sworn I know what a drain cock looks like. I'll just continue to do the radiator from now on.
#7
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There is a drain plug on the side of the engine block on 22RE`s, i just can`t remember what side of the engine its on right now, i know its towards the back of the block and its not a drain cock, its a screw in plug that looks more like a bolt.
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#8
On my '86 there is a drain cock waay down on the drivers side... it's about a 10 or 12 mm bolt in the side of the block; that drains the block out. It's probably hidden underneath the downpipe / exhaust manifold making it tough to see. If you crawl under or look at the right angle, it should be visible.
Hope this helps,
Yusuf
Hope this helps,
Yusuf
#9
Right, it's on the driver's side toward the back. If you pull the plug, you may not get any liquid out until you go in the hole with a piece of stiff wire and clean out all the FIPG. Then you will get about 1/2 gallon.
Pic from sunwest:
pic from 22re.com
Pic from sunwest:
pic from 22re.com
#10
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Old thread, but I was looking for the drain plug on the engine block as well. I had noticed the bolt head but was unsure at the time if that the was the plug or not. Thanks for the pictures to confirm, desconhecido. It was a PITA to get at and a 17mm socket was needed as well as a wide catch pan.
Last edited by Brendan; 05-24-2014 at 02:14 PM.
#13
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The actual call is a Japanese Industrial Standard spec. (JIS), but BSPT (British Standard Pipe Taper) is functionally identical, and much easier to lay hands on.
#14
Block drain
My toyota manual for my 91' 4Runner claims that there is a coolant drain cock on the engine (Page CO-5, step #3. According to the picture it looks like its on the drivers side but I can't find anything on my engine block that looks like a drain. In the picture it looks like a bolt. I can't imagine that this would be a misprint so do any of you know where the drain on the engine is? If it does exist how would you get to it? In between the frame rail and the block is the exhaust, very tight space.
#15
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Yes. All you need is a ratchet, extension & a 6pt 14mm socket. A swivel head makes it easier to access, but not a necessity.
Last edited by Paul22RE; 06-28-2020 at 08:24 AM.
#16
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I always just pull the lower radiator hose to get all the last little dribbles out. Even when I used the drain on the block, which took me a while to find, when I pulled the bottom radiator hose I got a facefull of coolant. Glad I had my mouth closed and safety glasses on! Ever since then, I leave the block drain alone, and use the radiator drain, and then the bottom hose, to get all the coolant I can out. Surprising amount left after the radiator drain runs out.
It does seem to drain out as much coolant as will drain out that way. I've pulled the head, the intake, the water pump, etc etc, and never gotten any more than a few drops out of anything. Even out of all those little hoses feeding the intake and throttle body, which LOOK like they would hold some trapped.
Just my 2 cents worth...
Pat☺
It does seem to drain out as much coolant as will drain out that way. I've pulled the head, the intake, the water pump, etc etc, and never gotten any more than a few drops out of anything. Even out of all those little hoses feeding the intake and throttle body, which LOOK like they would hold some trapped.
Just my 2 cents worth...
Pat☺
#17
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I always just pull the lower radiator hose to get all the last little dribbles out. Even when I used the drain on the block, which took me a while to find, when I pulled the bottom radiator hose I got a facefull of coolant. Glad I had my mouth closed and safety glasses on! Ever since then, I leave the block drain alone, and use the radiator drain, and then the bottom hose, to get all the coolant I can out. Surprising amount left after the radiator drain runs out.
It does seem to drain out as much coolant as will drain out that way. I've pulled the head, the intake, the water pump, etc etc, and never gotten any more than a few drops out of anything. Even out of all those little hoses feeding the intake and throttle body, which LOOK like they would hold some trapped.
Just my 2 cents worth...
Pat☺
It does seem to drain out as much coolant as will drain out that way. I've pulled the head, the intake, the water pump, etc etc, and never gotten any more than a few drops out of anything. Even out of all those little hoses feeding the intake and throttle body, which LOOK like they would hold some trapped.
Just my 2 cents worth...
Pat☺
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