Stuff to check on higher mileage First Gen?

Going to look at a couple first gens. Both are the V6, autos, 4x4. They also have 150k+ miles. I know the first gens are suppose to run for 200+, but isn't this nearing their ability. Also, what are things to look for when there are that many miles?

Or, should I just avoid them since the high mileage?

 

150k is not that much for a first gen. The engines are cast iron.

300k is when I would avoid them.

Edit: Take it to a mechanic, best money you can spend before you buy it.

 

Look for frame rust, timing belt service, leak and etc like engage in 4wd, shifts is gear.

 

Yup. They can check it all over, not just the common problem areas.

 

This is about the time seals begin to fail.
-Check your water pump seal, differential seals, and transmission seal. The tranny seal is the hardest to replace (you have to drop the tranny) but the others are pretty easy.
-Check rear leafs, they will be frowning by now and probably would need to be replaced before you tow/haul.
-Check frame rust.
-Check spark plugs.
-Always check oils and fluids (clean/dirty, etc...).

 

since when is there a set time when seals begin to fail?

Its really the luck of the draw. You can have a 200k+ truck with no leaks, or get a rear main seal leak at 100k...

you never really know.

 

while taco's can be reliable, there are alot of car/truck that can make it 200K plus as long as proper maintenance was done. I would get carfax on the trucks so you will have a idea where they have been, and how many owners they have had. and if they have had their frame replaced. something to keep in mind. remember when you are buying something used, you are buying something someone else did not want anymore, so don't jump into anything, look for something that someone cared for. and there are lots of things, nothing will last forever, so try to balance what you will have to do to the truck, (tires, radiator,paint, ect) on what you are going to pay for the truck.
dont get trapped into paying a premium for a truck, and then have to spend alot on it, because keeping the truck running does not increase its real value.
take a flashlight and look under the truck, see how she cranks up, idles, look for blue or white smoke, stick your finger in the tailpipe and feel around, is it oily or very watery...... and keep your poker face on.

 

According to First Team Toyota in Chesapeake, their maintenance data has them replacing seals generally around 150k - 200k on 1st gen Toyotas. That's why I said they generally start to fail around that time.

Im sure it varies between drivers and trucks .