Radiator Coolant Flush Toyota Tacoma 1996-2004
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- Опубликовано: 22 апр 2024
- This video goes over the steps to complete a Radiator coolant flush and a thermostat replacement on a 1997 Toyota Tacoma.
This process should be the same for Tacomas 1996-2004 or Toyotas equipped with the 5VZ-FE V6 engine.
I completed a total of 3 flushes prior to filling the truck with Toyota coolant but it would probably have required about 5-6 flushes for the fluid running through the radiator to come out clear.
I have ran the truck for a few weeks and have not had any issues thus far.
WHAT YOU WILL NEED
10mm socket
12mm socket deep/shallow
14mm socket deep
Socket extensions (engine drain plug)
Ratchet wrench
Pliers
Drain pan
Distilled water (2 gallons per flush)
Radiator cleaner fluid( optional)
Replacement coolant (about 2 gallons)
Funnel
Replacement thermostat and gasket
I was able to source the thermostat,gasket, and Blue devil at Autozone
The radiator fluid was purchased from a Toyota dealer. 
Авто/Мото
If your water pump leaks just a little , enough to get on the back of the timing belt which drives the water pump it starts to slip a little and it will start to over heat and pressurize the cooling system. You can't tell that its doing that because its all covered up. I'd keep putting coolent in it and it ran for a few weeks until it blow the top of the radiator off, blown head gasket! I got a JDM replacement motor and as I was taking out the the old motor I could tell the back of the timing belt had had slip marks on it and had been slipping on the waterpump so it could not have been working good enough. I haven't put the new motor back in yet (winter) but when I do I'll be sure to have the waterpump go on without RTV because it looks like thats what failed. I'm going to use Magic Lube, a swimming pool lube/sealant. Just a very light film on the gasket because it doesn't dry out or push out like it looks like the stuff that was on it did! My truck's a '95 T100 4x4. Its a lot of work but we both know is worth it. Good luck!
Thankfully just the thermostat was my issue here. i love T100s, the work is always worth keeping these trucks on the road!
Great work it went so smooth 👍👍
If yours has atf lines running through the radiator you should replace the radiator 5-7 year mark or 200k miles if you don't know how old the radiator fluid is to avoid pink milk shake. It will cost you as much in atf to flush that out and still risk having messing up the transmission. A new denso radiator is 150-200 bucks.
I don't remember if the tacomas had this setup but the gen1 Tundras did with atf running through the radiator. The original toyota red was supposed to be replaced like every 2 years or 30k, chances are the inside of your radiator looks like the thermostat if that was the original radiator.
hmm atf meaning auto trans fluid lines? Do the manual models have these cooling lines too? Not sure how old this radiator is but the thermostat seemed to be the culprit here. If i see the fluid getting grimmy again, ill probably just replace the radiator after the next 20-30k miles. Truck just hit 148k
I check looks like the automatics did have atf run through the radiator. Those radiator lasted like 10 years in California so about 200k miles had to replace them on a Tacoma and Tundra. Bought some used gen1 Tundras and sequoia a few years ago, they all had aftermarket radiators. One sequoia would be on the third one atleast because I replaced the aftermarket with a Denso one. That sequoia had over 400k miles. These were 01-06.
No wonder you’re overheating. That fluid looks like from 1940!
yeah no kidding. Previous owner claimed to have changed the water pump and did a flush about 15k miles ago but doesnt look like it haha