Night wheeling gone wrong!

vthokie

New member
Here is the story of my eventful evening...
So today my friends and i decided we wanted to go wheeling but had to wait for someone to get out of class. We end up hitting the road around 5... to go explore some place we were told about. Its called Mountain Lake Road in Blacksburg, VA. Not too exciting, but we did find some trails off on the sides that we took. They were cool, but short. It was about 6:30 so we decided to head back. On the way we discussed either grabbing a bite, or checking out an old forest service road we couldn't pass when it was snow covered. Of course we choose the trail... Passed where we had made it before, and decided to keep going. We came to what appeared to be a cul-de-sac. Off to one side the trail continued, but got more intense. There were rock obstacles and big mounds of dirt. Easily passed. Went around some giant mud holes and through others. We kept moving hoping the trail would come out somewhere, but it never did. We came to a dead end probably 5 or so miles off of the service road. The 4runner was great on the way there. It really impressed me with how it handled the mud and rocks. On the way back once the trail dead ended the tables had turned. The 4runner made it about half way back just fine, then **** hit the fan... it started running rough and cutting itself off. I decided to pop the hood and check it out. The air filter was bone dry, so i didn't hydro-lock it(hopefully). I needed to make it out. Luckily i had my friends. We had brought along an old GMC Jimmy, about a 2-3 inch lift on 33's. I think it was an 87 or so. I noticed the temp gauge rising after starting it a few more times so i decided to take a look at the radiator. The reservoir was bone dry... the radiator also didn't have anything visible... I looked underneath and it was dripping, but i thought it would have been from the puddles. Anyway i decided there was no way i was driving out, by my own power at least. I'm glad i noticed the gauge rising so i didn't try and run it hot and ruin anything. Luckily i had my new arb 30ft snatch strap. My friend had about a 15-20 ft long strap. We hooked them together and he still couldn't reach me. We had been stopped at another mud hole... he had gone through i had attempted to go around the side through some tight trees. This is where the 4runner shut down... we pushed it through some of the way then couldn't push it back up the hill behind us to try and take the turn at a different angle, so.... we had to pick up the rear and swing it wound to the side to clear the trees. I never thought that would happen, i mean lifting a suv? We still couldn't make the straps reach his Jimmy so somehow we managed to push it through the gap with about 2 inches on each side... Finally hooked up we made some progress until the mud holes came back around... one time he went first to check it out... made it through and reversed back to me. Hooked up, by the time he was out i was just going in, then all of the sudden the strap unhooked when there was some slack... i was still in the hole, helpless, but the one reachable side happened to be there the tow hook was, thank God. Hooked it back up and made our way out back through the rocks and over the mounds. Once on the gravel trail from before we had it made. I called my Allstate road assistance number and got a free tow home. Definitely an adventure, I got in around 12.

Now here is where i need some help... the engine was running rough, obviously there was an issue with the radiator leaking...but i heard a kind of clicking while it was running... I put some water in the radiator and a few seconds later i saw it draining out the bottom of the passenger side of the skid plate... I cant tell if a hose cracked/broke or if the radiator itself is cracked? The truck has 137k on it... the water pump hasn't been changed but i was planning on replacing that and the timing belt this summer... I just wanna find out what happened. Could there be some electronics that got wet under the hood that would make it shut off? would being low on water cause the problem? Or could there be an issue with the water pump itself? i guess all of these are possibilities... any advice is appreciated. My spring break starts tomorrow so i'll be needing a ride from Virginia Tech back to Richmond lol.

Definitely an eventful night, but i thought it was still fun even though it ended the way it did.

4runnerontowtruck.jpg~original
 
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Well definitely glad you were not wheeling alone. Sounds like a crack in the radiator or a hose. I don't think It's your water pump. How quickly is water draining? The best thing you can honestly do is fill it up and vet under there and find the culprit. Best of luck!
 
Well definitely glad you were not wheeling alone. Sounds like a crack in the radiator or a hose. I don't think It's your water pump. How quickly is water draining? The best thing you can honestly do is fill it up and vet under there and find the culprit. Best of luck!

yea i'm gonna try to do that again tomorrow. I cant see where there would be a hose though and the fins look a little wet down towards the bottom left. Is that something that happens? cracking a radiator? Hopefully that is it. Probably wont be able to have my dad come help me fix it until next Wednesday.
 
If the radiator was cracked you are looking at a relatively simple job, maybe 1 hour. With a good couple ratchet extensions I don't even remove my grill to remove mine. What worries me is the engine shouldn't die because of that, at least I wouldn't think so.
 
yeah... thats what i was thinking too... im not sure why it was dying... it just didnt wanna stay idling. i gave it some gas and had it at about 1500 rpm and it sounded perfectly normal, then i saw the temperature start rising so i gave up. I also checked the oil and there wasn't any water in it. I've seen when that happens it gets a white milky substance, and the oil looked perfectly clean when i checked it, so that's another good thing.
 
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It could very well be only the lack of coolant that is making your truck not run. Mine had a leak in the rear line that goes to the rear heater, and the truck would sputter and run really bad.....it's possible that because your's is so low on coolant, it's not running at all! I say, find your leak, fix it, and then try to fill it up again.....I bet she runs! These old girls are pretty tough!
 
I have had the truck since thanksgiving and it has run great the eniter time i have had it. Fightman i'm hoping you are right, It was definately sputtering like you described... i certainly hope that is all.
 
Well i just went out and put some water in it, and about 2 seconds later there was a nice steady drip/stream of water coming out from the bottom of the radiator. I think that since it was hot and under presure it would have been gushing antifreeze... which would explain the instant raise in temperature and the possibly the failure to start?
 
Have you taken the skid off? I would think a solid flow would be easy to track. I wonder if you hit the radiator on a rock or something.

Maybe this is a good time to replace that old stock radiator for a new one and insodoing ward off the pink milkshake. Unless you have a manual...
 
I dont really remember hitting anything, so i dont know how it could have cracked though. I'm going to take the skid off when i get out of class hopefully, so i can see where it goes. Would it matter if i just left the skid off for a few days while i got home? The truck will be parked so i'm asuming nothing could really happen.
 
I dont really remember hitting anything, so i dont know how it could have cracked though. I'm going to take the skid off when i get out of class hopefully, so i can see where it goes. Would it matter if i just left the skid off for a few days while i got home? The truck will be parked so i'm asuming nothing could really happen.

No, I drove with the skid off for a couple months, not a big deal. Just don't wheel without it.
 
Your rad is cracked - Toys come with cheap plastic topped Rads, just replace it and hope you don't need a new waterpump. If that happens your turning a $250 job into close to a $1000 job (labor included of course).
 
Yeah I took off the skid and found a nice hole/dent where the water was leaking from. I guess a stick decided to be take some anger out on my radiator. I'll be replacing that on Wednesday hopefully. I'd hope the waterpump is fine but if not then ill be replacing that with my dad. Might as well do the timing belt while were at it... anyone know how much antifreeze the entire cooling system holds?
 
Well that was good news. I believe the Koyo Radiator is what everyone seems to be getting. They can be had pretty cheap. The FSM states that the cooling system uses 9.5 quarts of coolant with the rear heater. A gallon is around 25 bucks at a dealer, definitely use Toyota coolant. I mix mine with distilled water from the grocery store. When you look at the fan shroud a piece on the bottom of the fan hole will pop off and then you can pull the radiator straight out without removing anything.
 
So ive been looking for a new radiator for a little while now. I see napa has a Spectra radiator for an 01 4runner. How does that compare to the Koyo 1998 that every one talks about. I'd rather just go pick one up than have to order it and have it shipped.
 
So ive been looking for a new radiator for a little while now. I see napa has a Spectra radiator for an 01 4runner. How does that compare to the Koyo 1998 that every one talks about. I'd rather just go pick one up than have to order it and have it shipped.

It's probably fine, but it is significantly more than the Koyo's, which I think usually come out around $120.
 
It turns out that it was just the radiatior thankfully. I went ahead and replaced the hoses while i was at it. The 4runner is back up and running though and thats what matters. Now she needs a good wash, especially underneath.
 
:flamethrwoer2:
Well that was good news. I believe the Koyo Radiator is what everyone seems to be getting. They can be had pretty cheap. The FSM states that the cooling system uses 9.5 quarts of coolant with the rear heater. A gallon is around 25 bucks at a dealer, definitely use Toyota coolant. I mix mine with distilled water from the grocery store. When you look at the fan shroud a piece on the bottom of the fan hole will pop off and then you can pull the radiator straight out without removing anything.
Sorry for the thread jack but how do you like the FX-R hid's? Do you have the bixenon kit?
 

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