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Results of doing regularly scheduled Maintenance

2.6K views 18 replies 9 participants last post by  Lainus  
#1 · (Edited)
I got my daily driver, a 2001 Camry XLE 6-cyl 8 years ago, and it had 88,000 miles on it. I did a complete maintenance on everything, new complete Timing Belt Water pump Kit, all new hoses, plugs, wires and fixed a couple of small oil leaks.

I did oil changes every 5,000 miles with WalMart 5-30w SuperTech synthetic, a Wix oil filter. Blew out the Air Cleaner every oil change, and replaced it every 15,000 miles.

I sent off two samples of Oil to Blackstone after the first oil change and one a bit later to get a base image of what the engine looked like. Fast forward to today, I have 195,000 miles on the clock and I'm getting ready to do a complete Timing Belt and Water Pump maintenance. I've got the kit and I'm just waiting for the weather to cool down a bit.

In the meantime, I did my normal 5,000 mile oil change and thought it might be a good idea to send off a sample to Blackstone and compare the health of the engine now, to when I got it 8 years, and 100,000 miles ago. I was pleasantly surprised at the results I got back. It looks like the motor is basically in the same shape now as when I sent in the first sample.

Most of the credit has to go to Toyota for making a pretty bullet proof engine but I'm pretty sure me being anal about regular maintenance had a lot to do with it.

Anyway check out the report from Blackstone, and maybe post a recent one if you have one and we can compare results.

 
#5 · (Edited)
Nice!
Goes to show how regular fluid changes extend the life most excellently.

Don't forget to also flush the power steering system every 60~80k miles, and the brake fluid every 2 years (4 yrs tops), for maximum life.
To be honest I can't remember the last time I changed the Power Steering fluid.

IRRC that's a multi drain and fill using a turkey baster, sucking out the fluid in the resivoir, drive a bit, do that maybe 4-5 times to get the new fluid to dilute the old? I use Castrol Transmax for the drain and fill on the transmission, and is that should be OK to use in the Power Steering system?

A far as the brakes go, having invented the World Famous PowerBleeder:
PowerBleeder - Bleed your brakes the easy way. Many pics. it's something that I do on a pretty regular basis, maybe every 30,000 miles or so. Or whenever I change brake pads.

.
 
#4 ·
The air filter is one of the more difficult items for me to evaluate when to change. Driving conditions are soooo variable! I usually do my air filter every 20-30K miles. I try to leave the air filter compartment closed except when I'm planning to replace the filter. To me, that is the most likely place to let some dust get through to the engine. Maybe I'm paranoid but when I had the oil changed by a quick lube shop, I always used to tell them to leave the air filter compartment alone. Now I also do my own oil changes but when I do change the air filter, I like to vacuum out the box and then wipe the sealing surfaces with a damp paper towel to ensure a good seal and to remove any dirt that might be close enough to accidentally get past the seal during installation of the new filter. Assuming the fuel filter is in good shape and assuming you don't get grime into the oil somehow (even via the tip of the dipstick if if your aim isn't good), the air intake seems like the main source of engine wear grime. I would go so far to say that if you have a good air filter, your oil filter should be of secondary importance, primarily catching bits of metal from inside the engine.
 
#7 ·
Never blow out an air filter.... it damages the cellulose filter fiber interweave

If you don't know when to replace an air filter, simply cut the OE recommendation in 1/2, or check what the replacement filter recommends.

Synthetic prevents the common sludge issue on the 2.2/3.0 of that generation. Maintenance will make it run for a long long time.

And the ATF or MTF?

PSF is an easy siphon/refill at every oil change. Use a synthetic ATF or PSF.

I bleed brakes every 2 years. Bought a new car last year and that european manufacturer recommends brake flush bled every 2 years. Finally, an automaker that agrees with maintenance.

I am also a little more aggressive with coolant interval.... seems to make heater cores, radiators and water pumps last much longer than those foolish 100k 10yr changes.

And, don't forget that thermostats and radiator caps don't last forever. Replace every 100/10yr
 
#12 ·
It says right on the PS fluid reservoir cap, “USE DEXRON TYPE ATF”.

310261
 
#14 ·
Toyota will never say what it was filled with at the factory.

Their caps and owners manual have said dexron for a long time(except for a few electric ps pumps).

It doesn't mean a thing.

DexronIII is an obsolete expired spec and means nothing anymore as it isn't a spec anymore. Even Nissan, that used DexronIII for years switched to DexronVI. Sad that Toyota can't get their engineers and tech writers to jive with anything or what is available licensed and available now.

They did not fill it with dexron from the factory in either of my Japan or US made Toyotas... They filled it with a clear hydraulic fluid with a ZDP additive and not a SP additive that is used in Dexron ATF.

The Z additives do a better job protecting and preventing wear than the non-z additives when used in hydraulic systems.

This is one reason I switched my cars away from Dexron and to a PSF.
 
#15 ·
It's always interesting to see discussions of the fluids that are recommended. Different oils, antifreeze, brake fluid, even the gasoline grades and brands. Everyone has different experiences and knowledge bases and ultimately has developed either knowledge or superstition for supporting or shying away from certain fluids and additives. Shell gasoline will try to tell you their gasoline is superior to the cheaper brands and that you will get what you pay for. Surely we can use the fluids recommended in the owner's manual. Whatever you use, it should be better than the black gunk in my power steering reservoir. It's 20 years old...I just never thought to change it.
 
#17 ·
View attachment 310306
I still have 12 bottles just for PS flushes.
W95c
Know what is interesting? From a lot of the sources I looked at for Toyota PSF, no one ever seemed to mention Toyota Automatic Transmission Fluid. I am also only used to seeing T-IV and WS.

Though this would be why too. 🤷‍♀️