I had EXACT SAME symptoms when head on my 22re blew-exhaust was leaking into the cooling system and pressurized it.

 

Good luck, Cebby -- hope you're rolling again soon. On the upside, your 4Runner looks great, even on the tow truck, and thanks for the cat pic -- gave me a good chuckle.

 

and i also wish ya good luck - if that 3vze did pop though, im looking for a replacment 3vze, so lemme know... Hopefully its something simple and easy to fix...

 

sorry about the rig - but that pix of the cat is too funny!

 

Sorry dude, any word yet? Do you mind if I use your cat pic sometime LOL?

 

No word yet, I'm going to brave the cold and have a looksie this afternoon.

The cat is fair game to anyone - I found it on Pirate I think.

 

Good luck with the repair. My guess is a broken coolant line.

I haven't been stranded yet (knock on wood). The only real problem I had was when my CSI got stuck and made it run like ass. But that miraculously cured itself.

 

[QUOTE=AgRunner06]Good luck with the repair. My guess is a broken coolant line.
QUOTE]

Seems to be a rash of that lately. https://www.yotatech.com/forums/f2/cooling-hose-help-needed-asap-53304/

 

DMG has one of these on a stand. Sure easier to get at these with the motor out of the rig...

 

That sucks Mike... Good luck with it. I hope it's nothing big...

 

Well, took a quick look this afternoon. Couldn't see squat. I'm going to get some coolant, fill'er up and run it tomorrow sitting still so I can see where the problem is emanating from.

I did notice that I have a slight valve cover leak which didn't appear to be much. I didn't find any evidence of cracks or tears in the hoses I checked...

 

Well, hoped for the best... But got the worst.



Coolant is pouring out between the head and block on the driver side. Can I try cranking the bolt down a little to see if that stops it? From what I've read and heard, an external leak like this is not really common. Could it just be a loose head bolt at the back of the motor?

 

Does the mean we can look forward to a 1uz swap sometime soon? It sucks about the engine though.

 

I guess the next question is that if I do the work, what is the minimum outlay I can get away with on putting this homey back to leak-free status? I saw the HG kit was $400, knock sensor and wire is $200 and a waterpump is around $80. How many hours will I have in it to replace the HG and related stuff? (Without any SST's)

Toyota wants $1100 just to do the HG. Factor in the other "might as well" items like a waterpump, knock sensor and wire and it climbs to $1600-1700 with labor...

Considering I can get a 1UZFE and harness with 70K miles for about $1200-$1500 + another $200 for the ECU, I think the choice is pretty simple. AFAIK, the 1UZFE bolts up to the A340 trannies. So then the only issues become fabbing motor mounts and part of an exhaust. I guess the big question is how much downtime can I afford...

 

HMMMM....just curious, but wast any water in that there radiator thingy and/was that water frozen? lol sorry for the bad luck....when my trk did that i almost cried....just loved my trk......

 

I added coolant to the rad/overflow to test it out. I run a mix of coolant/water, so I'm sure it wasn't frozen. It wasn't overly cold that day - we had much colder weather that didn't cause any issues.

 

Cebby, it's really not all that difficult to get the intake plenum off. I'd say not even a couple hours. While I've never heard of any external leaks or loosening head bolts on a 3.0, I guess it's possible. You could try to retorque it and see what happens. I'd say it would be worth a shot. Who knows, if it works it will save you about $2K right now.

Is that really all the work you have to do to get the 1UZFE in there? Will our auto take that much extra power?

Good luck

:bounce2:

 

The auto behind the 1UZFE is a a340e/a341e. Same basic tranny without the t-case.

There are some issues with how the 1UZFE ECU works with the various other auto trannies. It needs feedback to run properly. Although not confirmed yet, it appears that the late model a340f (96+) is the right tranny to use. The 3 sensors (vs 2 on a340h) is what the ECU needs. The other benefit is that Marlin makes an adapter to run duals off of this tranny.

 

Just a FYI and a bump for an awesome swap... The a340e trans is the same as the 2wd 3rd Gen 4Runners and Tacos.

 

Silly question, but which engine is the 1UZFE?