I can’t believe I did that. Sign of old age? I posted an important question, then forgot all about it. A thousand apologies. However, the answers are what I was looking for. A thousand thanks to go with the apologies.
To address them: I change the transmission fluid every so often, drain 3 quarts and add 3 quarts. Looks perfectly good. And, as far as I can tell it still shifts really well. Let us hope…
Yes, to the rough roads. Last set of tires I wore out, I hadn’t even rotated the tires at all, because Yokohama voids the warranty the minute I cross the border. And, when I bought the new tires, they said tire condition was so even all the way around they didn’t even recommend front end alignment. To me that was amazing! At one time I was wiping out a tire a year, but when they paved the road all the way to my driveway, that seems to have stopped. Which brings up the spectre of the damage being done near my home?
The belts and hoses are mostly new, replaced at recommendation of mechanic not long ago. I didn’t worry if he was pulling a fast one to generate work, because of my preventive maintenance attitude. Replace when it is in the range for failure.
Coolant maybe 15 or 20,000 miles ago. Looks good, too.
Car does not have power doors. Last year, one of the regular sliding doors would not open, out of the blue, one day. My builder, a very clever man, helped me get the upholstery off the door, and I discovered there is an adjustment in there. If someone finds this important, I will supply a link with foto on the Sienna Chat page. A lot of people were having problems with those doors that either would not open or stay shut, so when I found the solution I took extra time to post all I had, including really good photos. That fixed that and he helped me put the upholstery back on it. All this as a couple hours out of a day for which he normally receives around $25 for an 8 hour day. I have no idea what I would have had to pay at the mechanic in the US or in Mexico.
He only has one eye, and has allegedly developed a vision loss in the remaining eye. Not sure if he will be able to build any more or not. When I get back next week, I will see if he can help me access the window mechanism that opens the rear windows that pivot out. He seems to know how to get hidden upholstery fasteners out.
the alternator, starter, exhaust system, and a new radiator and water pump to name a few.
Water pump replaced at second timing belt replacement. Radiator looks solid so far, knock on wood. But, thanks for tip, I will check it regularly now that I know it is on the list of possible problems. Exhaust seems to be still solid, I will also examine it soon as I can. Alternator and starter, I will have to wait until they fail. I know the starter I can get at AutoZone in Tehuacan, assume also the alternator. So, thanks on that list as well.
Also thanks for tip on the hum if wheel bearing starts to wear out. I wondered how I would know.
I think in general the answer is to give it a really good inspection at least once a month, for any leaks or other visual signs of failures.
What can I say, but thanks for essentially setting up an inspection plan!. Even if I did clumsily forget to check back until now. Blush.