Hey everyone.....new to the forum and looking for some help.

[3_puppies]

looks like the driver side area of the block?
if you can use a right angle drill and drill a hole in the plug and then use a small slide hammer or a pry type device and pry it out. it should come out fairly easy as it is almost out now.
or is that edge out where you could use a small pair of vise grips on it and remove it?

 

[franklin40]

seeing as you’re in arizona my question may not be applicable but the engine didn’t actually freeze did it? is that a possibility of why it popped out. has the engine been rebuild since you’ve owned it? did the PO live in an environment that sees freezing temps. as you’ll have to drain the block anyway make sure you’ve got a good mix of proper coolant when you refill. just don’t want to overlook an obvious cause of it popping out

 

[Cloud40]

looks like the driver side area of the block?
if you can use a right angle drill and drill a hole in the plug and then use a small slide hammer or a pry type device and pry it out. it should come out fairly easy as it is almost out now.
or is that edge out where you could use a small pair of vise grips on it and remove it?

I think vise grips will work, I'm gonna try and work on it this weekend. Thanks

 

[Cloud40]

seeing as you’re in arizona my question may not be applicable but the engine didn’t actually freeze did it? is that a possibility of why it popped out. has the engine been rebuild since you’ve owned it? did the PO live in an environment that sees freezing temps. as you’ll have to drain the block anyway make sure you’ve got a good mix of proper coolant when you refill. just don’t want to overlook an obvious cause of it popping out

No, the engine did not freeze. The previous owner lived in california and yes it's a rebuild. I was planning on replacing plugs and thermostat, flushing system, and than pressure test it.

 

[73FJ40]

@Cloud40

Plug Expansion - Toyota (90330-50018)
Still available from your local Toyota dealer for under $5 list.

 

[Cloud40]

When was the last time the antifreeze was changed? Fresh coolant has anti-freeze, anti-boil, and anti-corrosion properties. It is common for folks to open the block drain and nothing comes out because rust piles up in the engine cavities. If coolant can't get to the radiator and/or it is too dilute or old, I could see boiling happening, however, I wouldn't guess that it would. I'm placing bets on a bad freeze plug because I've read it on Mud before, and that plug looks different.

The motor was rebuilt about two years ago and I already had a problem with one of the plugs leaking oil from the rear. I'm now thinking the wrong plugs might have been installed on the rebuild

 

[Cloud40]

@Cloud40
View attachment 2198314
Plug Expansion - Toyota (90330-50018)
Still available from your local Toyota dealer for under $5 list.

Hey Thanks for the info

 

[franklin40]

hope you get it sorted easily and it as simple as wrong plugs being used. good luck

 

[Cloud40]

hope you get it sorted easily and it as simple as wrong plugs being used. good luck

Crossing my fingers......thanks

 

[Cloud40]

OK, I foresee a couple different scenarios here for you...
1) If you've been leading a good, clean life, going to Church and calling your Mom regularly, it's just a loose, poorly installed freeze plug. Looking at your pic of same, it does not look factory. Is this a rebuilt engine?
B) You got serious problems.
How hot was the engine when it blew? Why didn't your radiator cap blow first? (if it didn't).
I'm hoping it's #1 and all you need to do is hammer in a new plug. PIA that it is, it's cheaper and easier than #B

So this is the plug I pulled out?

 

[73FJ40]

@Cloud40

So this is the plug I pulled out?

View attachment 2202585

Side view? Is this flanged, or a concave dish with a plain edge?

 

[65swb45]

Doesn’t matter; it’s SAE.

you REALLY need to do them all.

 

[Cloud40]

@Cloud40


Side view? Is this flanged, or a concave dish with a plain edge?

No flange.......its more like a disk

 

[73FJ40]

@65swb45 is correct, of course. Note that 1 15/16" is 49.2 mm. The OEM is 50 mm.

Still available from the Toyota dealer. Get some Permatex No. 1 sealant while you're fetching parts. It has been recommended by experienced engine rebuilders here, but I'm sure there may be other recommendations.

 

[Cloud40]

Doesn’t matter; it’s SAE.

you REALLY need to do them

@65swb45 is correct, of course. Note that 1 15/16" is 49.2 mm. The OEM is 50 mm.

Still available from the Toyota dealer. Get some Permatex No. 1 sealant while you're fetching parts. It has been recommended by experienced engine rebuilders here, but I'm sure there may be other recommendations.

Thank you for the help

 

[SteveH]

I bought a metric freeze plug from <forgot vendor> that was 52mm? and it was supposed to fit. It was quite a bit too big for the hole and would not tap into the hole at all. I found the old freeze plug that I carefully removed in the early 1990s, put some Permatex sleeve retainer on it, and tapped it into the hole. It fit and sealed well.

Moral: use a genuine dealer part if at all possible. In your case, order a handful and replace them when you can.