LX 470 is fixed!(I think)

Last week I posted on here about how I was considering buying an LX with 200,000+ miles. Well I picked it up. I knew full well when I did that it has some coolant issues, but I thought it was just a bad heater hose T fitting. I had planned to order a timing belt/water pump kit to get the old girl up to snuff also.

So after I got her home -with some effort; she nearly overheated three times- I really started assessing her condition.

I replaced the T fitting with a temporary brass one(OEM are on the way). Still tried to overheat.

I checked the thermostat and promptly found that there was no thermostat, and I replaced it and the gasket. Still tried to overheat.

I burped the system and verified proper coolant level after conferring with the guys on ih8mud. Still tried to overheat.

I said to hell with it and ordered the kit from Aisin, and let her sit for a few days while I awaited it's arrival. When it came in, I set about to dismantling the front of the engine. I noticed from the first timing belt cover I removed that the belt appeared brand new(All lettering is still visible, zero cracks or rough surfaces, no difference when compared to the new belt.). It wasn't until I got 3 of the 4 timing belt covers removed and I was reaching for a bolt on the AC compressor that I noticed something odd.
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Do you see the black rubber cap covering the radiator inlet/outlet? Apparently the mechanic(I found in the service records where this radiator was replaced literally less than two weeks ago at a dealership) failed to remove the dust cap from the brand new radiator.
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(Also, the window does roll up. It's just fidgety.)

So at this point, based on the superb condition of the timing belt, I decided not to continue with the replacement. I can use the kit on my Tundra. Instead, I removed the cap and reassembled the motor. I filled the truck with distilled water, as I plan to flush it again in about a week. The LX cranked right up and aside from some CEL, that went away on the second startup, I've had no issues. The CEL was for the magnetic clutch on the fan I think. It went off and the engine hasn't exceeded 199 degrees from what my OBD tells me. I'd say she's ready to rock!

I'm still kind of upset that some mechanic made that mistake, but I know my engine a little better for it. As payment for my rant, enjoy a few pics of a killer Mississippi sunset.

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Cheers,
Rick

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tarbe

Observer
That is amazing!

Sure hope you averted any permanent damage. Good thing you were watching it closely.

I lived in Monroe County MS back in the early 90's. Loved the country and the people!


Tim
 
I'm pretty sure the damage is averted. I've driven her 400+ miles since the repair, and temperature has never broke 200.

Yeah Mississippi can be a nice place. Not quite as backward as a lot of people are led to believe.

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RMP&O

Expedition Leader
A buddy of mine once bought an FJ60 from a mechanic who said it had a bad trans. My buddy paid $900 for the truck. He got a spare trans to put in it for $400. He had the old-bad trans out on the floor in his shop when I said, don't you want to know what is wrong with that trans? He said sure so we pulled the covers on it, zero issues seen and it looked like new inside. That was when we noticed the pins for the shifter, the ones that hold it in place, were wasted. He made some new pins and put them in and the trans worked perfectly. He put an OME lift on it and some 33" BFGs and sold it for $10k. True story.

Cheers
 

cruiseroutfit

Well-known member
That is wild. I'd figure you would be in meltdown temps within minutes without cooling capacity. Glad to hear it was a relatively easy solution.
 

87Warrior

GP'er
Wow, I don't even know what to think.

I wonder if the cap was left in place so the mechanic could reel in more cash. The absent thermostat is also interesting after being at a mechanic.

Congrats on the easy fix. It is amazing she is running good!
 

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