DIY Coolant Change: Part Locations and Comments (Oh and Thermostat Replacement) - Page 2 - Toyota Nation Forum : Toyota Car and Truck Forums
Highlander 2nd Generation (2008-2013) Forum dedicated to the discussion of 2nd generation Toyota Highlanders.

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post #16 of 18 Old 06-12-2019, 05:14 PM
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Did this job last night. I just drained out the radiator and rear engine drain. I'd say I replaced about two gallons. I used the Lisle funnel, as well as opening the engine bleeder valve will filling the radiator back up. The lisle funnel worked great. It took about 15 minutes or so to bleed the system and purge the air from the heater cores. Revving the engine seemed to help the most and noticed that I would get air out after revving the engine for a couple seconds then letting it back down to idle. I also noticed when burping the system by squeezing the radiator hose coming out of the top of the radiator, that some particulate back fed up into the funnel. They looked like little semi transparent flakes. They worked themselves back into the radiator.

Based on that, I'm thinking a good flush is in order. May have to take it somewhere to do that. But I do have about 4 gallons of 50/50 zerex asian left. It was like $12/gallon if you bought a case of 6 gallons on amazon. Otherwise, it was like $19/gallon

Is there any way to flush it yourself with 50/50 mix?
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post #17 of 18 Old 06-25-2019, 03:22 PM
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Hello, I just flushed out my original coolant after 80K miles. It looked real good, not sure if it was necessary or not. I used the OEM super coolant. However, I feel a lot more comfortable doing it. I hate taking chances. Anyway, while taking off the shroud/undercover, I destroyed the tabs which hold the plastic covers together. Any idea what the PNs are or if I can just buy them from NAPA? I called the dealer and they have no idea what the P/Ns may be. I attached a picture of them below. BTW sweeneyp, great post. Thanks, Ed
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post #18 of 18 Old 07-03-2019, 05:52 PM
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If you want OEM push pins, you can locate the parts numbers at this site:

Once inside - provide VIN - then begin your search. Once you get the part number, you might want to first try the following site. You can scan for the Toyota part # once inside:

They do not have every Toyota nut/bolt/push pin, but they do have quite a few and you get more bang for your buck with them vs. a dealer. Another option is ebay.

2015 2WD Toyota Tacoma Prerunner V6 SR5 1GR-FE 236HP
2014 2WD Toyota 4Runner SR5 1GR-FE 254 HP Dual VVT-i
2006 Toyota Avalon 3.5l automatic 2GR-RE
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