Sample discussion thread: So what you guys think about the blue coolent ?

[AK370Z]

As states in this TSB,Tsb: All nissan models; new blue nissan long life antifreeze/coolant

what's your input on the blue coolent? This coolent suppose to be good for upto 135,000 miles!

This “blue” LLC is designed to have a longer service interval of 10 years or 135,000 miles.

Also, I know many of the members here added green to the mix. But by doing so, you cut the life in half. Interesting info I didn't knew before.

The green-colored Nissan LLC P/N 999MP-AF000P is backwards-compatible with the blue
LLC and can be used to “top-up” cooling systems filled with the blue LLC.
NOTE: Adding green LLC to blue LLC reduces the life of the blue LLC from 10 years or
135,000 miles to 4 years or 60,000 miles.

discuss...

[AK370Z]

I guess no one want to discuss ..

Seriously, I brought this up because remember those "special orange" coolant in the GM vehicle? (around 99-2000 year models) They (GM) said this new orange stuff should be a long lasting awesome thing. Guess what? 2-3 years later, there were gunk in all those cars! They actually had a TSB to flush every one of these cars and use something else!

[6spd]

the orange GM coolant is called dex-coolant. it has a stopleak additive in it, making not compatible with any motor besides which ones it was designed for. GM sucks at making motors now, as does chrysler and ford, and make motors that have very porous gaskets and seals. the stopleak additive is for sealing the porous gaskets. from my experience, dex-cool or not, gm, chrysler, and ford motors leak like no ones business.

honda has the same blue coolant as nissan. they are interchangable with any normal green coolant or Prime coolant. blue is the coolest color!

[normal]

yeah, i had a 2000 pontiac grand am with the 3.4 v6, and they redesigned the lower intake manifold gasket at least 3 times i think. mine was replaced twice in the period of a year for leaking, but i was luck, i only had a coolant leak. others that werent so lucky had oil leak into the cooling system, cause some delicious sludge, or coolant leaking in the the oil, which ate away at the bearings, from what i understand....

i will say though, that i had the car for 6 years, and replacing the gasket (second time under warranty since it was within a year) and the water pump were the only problems i had with it, so maybe i was lucky, but the car treated me well for being almost 10 years old

[SoCal 370Z]

I'd go a maximum of 50,000 miles or three years and then change it. Fluids are cheap insurance when they are routinely changed.

[6spd]

Originally Posted by SoCal 370Z

I'd go a maximum of 50,000 miles or three years and then change it. Fluids are cheap insurance when they are routinely changed.

true. the only one you should be wary of is auto trans fluid. my family has been in the auto repair business for generations, and we have seen many a problem develop as a result of changing auto trans fluid. many people has the misconception that they need to change it at specific intervals, when actually you can go the life of the vehicle on the same fluid. auto trans flushes the similar effect as engine oil flushes, they remove sedentary particles and cause them to move into places they don't belong!

the only reason to change it is if it is dirty or to change the filter. but... if a trans filter gets dirty, the chances are very high that the car has a trans problem, or it would have gotten dirty in the first place.

renewing fluids is a good maintenance habit for sure though

[AK370Z]

Originally Posted by SoCal 370Z

I'd go a maximum of 50,000 miles or three years and then change it. Fluids are cheap insurance when they are routinely changed.

I agree. 135,000 miles is a bit too much.

I'm going to stop by the dealer to pick up the blue coolent so that I don't mix green with blue.

[The BlueMax]

Originally Posted by 6spd

true. the only one you should be wary of is auto trans fluid. my family has been in the auto repair business for generations, and we have seen many a problem develop as a result of changing auto trans fluid. many people has the misconception that they need to change it at specific intervals, when actually you can go the life of the vehicle on the same fluid. auto trans flushes the similar effect as engine oil flushes, they remove sedentary particles and cause them to move into places they don't belong!

the only reason to change it is if it is dirty or to change the filter. but... if a trans filter gets dirty, the chances are very high that the car has a trans problem, or it would have gotten dirty in the first place.

renewing fluids is a good maintenance habit for sure though

I used to flush my transmission fluid every 25-30,000 miles because it was known to break down a bit, never had to have a trans. rebuilt. Some of the BMW trans. are sealed for life, the only recourse is total replacement. I'm getting Amsol synthetic fluid for my T56 in the Trans Am this summer, I have about 45,000 miles and the mechanics say about 60,000, I'm doing it a little early. Put the same in my 83 Z28 T5 and it shifted great, both of these manuals used ATF.

[The BlueMax]

Originally Posted by 6spd

the orange GM coolant is called dex-coolant. it has a stopleak additive in it, making not compatible with any motor besides which ones it was designed for. GM sucks at making motors now, as does chrysler and ford, and make motors that have very porous gaskets and seals. the stopleak additive is for sealing the porous gaskets. from my experience, dex-cool or not, gm, chrysler, and ford motors leak like no ones business.

honda has the same blue coolant as nissan. they are interchangable with any normal green coolant or Prime coolant. blue is the coolest color!

You are right about that stuff, I had a water pump go out around 35k, now I drain out a gallon a year switching between Dexcool one year and distilled water the next. If you leave this stuff in for 2 or 3 years it gets crudey.

[6spd]

Originally Posted by bluemax

You are right about that stuff, I had a water pump go out around 35k, now I drain out a gallon a year switching between Dexcool one year and distilled water the next. If you leave this stuff in for 2 or 3 years it gets crudey.

oh yeah, it really turns cooling systems to ****, and fast.