Engine coolant

Submitted: Wednesday, May 25, 2005 at 00:24
ThreadID: 23276 Views:1500 Replies:4 FollowUps:2
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Hi

Replaced the engine coolant/inhibitor in a 1zh with new stuff, Had Toyota red stuff mixed 50/50 with distilled water, replaced with the same type but did not flush the cooling system. (yeh ok I'm a nuffy) The system was drained by way of the radiator and the engine drain plug so 99% has been drained out, I hear that problems can occur with precipitation etc if not flushed out properly and the two react or is this mainly with different brands of coolant being mixed.

Should I drain, flush the system properly and replace the coolant ???. Or the
miniscule amount left is the system won't affect the new stuff.

The new stuff has been in 2 days.

Phil
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Reply By: Nudenut - Wednesday, May 25, 2005 at 07:55

Wednesday, May 25, 2005 at 07:55
i would have thought it needs 100% flushing if coolants were of two different makes...

as i have had one radiator gone west due to the LIZARD not flushing my system (at regular coolant change) I had new system changed "flushed" within i week and then at two weeks....

AnswerID: 112720

Reply By: traveller2 - Wednesday, May 25, 2005 at 08:22

Wednesday, May 25, 2005 at 08:22
If you have replaced toyota red stuff with toyota red stuff you will have no probs, I used to do that every two years for about 20 years with zero probs, never flushed totally unless something carked it and possibility of crap in the system.
The only time I flushed it with a garden hose was when I had to put bore water in it when the radiator blew while out west.
AnswerID: 112722

Reply By: Member - Davoe (Widgiemooltha) - Wednesday, May 25, 2005 at 10:10

Wednesday, May 25, 2005 at 10:10
correct me if I am wrong but the red stuff is sposed to be mixed at about 1 in 10 and is not coolant but rust inhibitor
AnswerID: 112754

Follow Up By: Glenno - Wednesday, May 25, 2005 at 10:25

Wednesday, May 25, 2005 at 10:25
I normally do the toyota red @ 50 / 50 and any left over concentrate I pour into the overflow bottle. That way when you top up the radiator from time to time its being supplied concentrate coolant from the overflow bottle plus some water that I put in every now and again. If that makes sense.

Cheers,

Glenn.
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FollowupID: 368919

Follow Up By: Member - Jeff M (WA) - Wednesday, May 25, 2005 at 22:44

Wednesday, May 25, 2005 at 22:44
Nah I just did mine a couple of months ago and the Toyota LLC I bought said 50/50 on the bottle. Maybe it's changed Davoe?..?? Might have used to be different...
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FollowupID: 369076

Reply By: gazzer - Thursday, May 26, 2005 at 20:04

Thursday, May 26, 2005 at 20:04
You've got no problems Phil,thats the way it's done in the trade everywhere and depending on where you live,distilled water isn't even used.
AnswerID: 113059

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