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Nissan gurus - antifreeze question

S

Slickone

Diamond Member
What kind of antifreeze did Nissan put in from the factory in 2000 (if they've changed since then) or sells at the parts counter? Is it the same as, or completely compatible with, regular silicate containing green antifreeze from the auto parts store (ie. Prestone)? Is it long life? It is green, but seems I heard it was different than regular green antifreeze.

I've read stories in the past about compatibility (mainly with longlife) causing all kinds of problems. Also certain recommendations for cooling systems/engines with aluminum (or is that related to the long life antifreeze problem)?
Also that some cars should not use antifreeze with silicates. Or is this a general recommendation for any car? They can wear out the water pump quicker, or mess up aluminum? Guess I'm confused.

Some coolants don't state whether they do or do not contain silicates (ie. Prestone).

Also was thinking of trying 30/70 (AF/water) to help it run cooler in the summer (I live in TN), but someone has said that water is corrosive on aluminum radiators, and the glycol is a corrosive inhibitor counter act the corrosiveness of the water, so it should be run 50/50?

Also, being there's so much coolant in the system, when doing a DIY flush, what do you catch it all in to dispose of properly?
 
Nissan used "extended life" antifreeze, 50/50 is a requirment, water is more efficiant at tranfering heat but antifreeze also acts as a boiling inhibiter as well as a anticorrosive.

To drain it, use a large oil drain bucket or five gallon pail.
 
*waits for IHYLN to come in and bash nissans and claim BMW as the greatest car ever*

Oh, follow what Roger said.
 
Originally posted by: FrustratedUser
BMW is the greatest car ever and Nissans is teh $uck.
Click to expand...
Link:
(3/15/04) The American watchdog publication Consumer Reports recently singled out BMW?s flagship as the most unreliable European model, with more reported problems per 100 cars than other models in its class.


Bump.
 
?

How do I safely dispose of used antifreeze? Dump it in the street? Flush it down the john?
 
Originally posted by: Slickone
Originally posted by: FrustratedUser
BMW is the greatest car ever and Nissans is teh $uck.
Click to expand...
Link:
(3/15/04) The American watchdog publication Consumer Reports recently singled out BMW?s flagship as the most unreliable European model, with more reported problems per 100 cars than other models in its class.


Bump.
Click to expand...

I bet more people have heard of BMW than Consumer Reports. BMWs word has more weight. Besides, reliability isn't something to even consider, it's all about the experience in the Ultimate Driving Machine (TM.)
 
Originally posted by: 1YellowPeril
?

How do I safely dispose of used antifreeze? Dump it in the street? Flush it down the john?
Click to expand...

Call your local municiple city waste department and ask. SOme its ok to dump down a sanitary sewer. Never dump down a storm drain. I take mine to a local hazardas waste disposal site. Its free.


To answer the OP question: there are basically two types of long life coolants out there OAT (organic acid technology), and HOAT (Hybrid organic). Read more here. I would reccomend HOAT (otherwise known as G 05 from zerex), it resists cavitation better than OAT (dexcool, either from havoline or prestone). Just do a complete flush and you should be ok.
 
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