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Date Registered: 03-2007
Location: Sydney
TOTAL POSTS: 20
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Coolant levels


Hi all,

I am spoilt with an 07 Xtrail and have just hit 11k. I serviced the car for its 1000km service with Steve Jarvin Motors (why not its free). I serviced it with my regular trusted mechanic for the 10k service. I don't know the exact device but he has a gadget that tests the coolant percentage level. At 10k he determined it to be 3% coolant and 97% water. He since flushed it and changed it to a 50% split. I was a little concerned because I was planning to go to the snow and was curious as to whether it would have caused me troubles had I not found it. Also was curious if this is normal.
21/Jun/2007, 10:24 pm Link to this post Send Email PM   Send Private Message
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
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Re: Coolant levels


Be very careful with the Nissan radiator coolant.

During my last visit to the dealer for the 80K service where they flushed the coolant and put in a new one, I was told they received many cases of blocked radiators because the wrong coolant was used, this in some cases led to blockages and blown head gaskets if not detected.

I am not sure what type of coolant your mechanic has used but it better be within the exact specifications as the Nissan coolant.

Last edited by jalalski, 21/Jun/2007, 10:32 pm


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21/Jun/2007, 10:31 pm Link to this post Send Private Message MSN Blog
 
Revhead Kev Profile
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Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 5945
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Re: Coolant levels


Yes, dealers are very fussy when it comes to coolants.

My experience many years ago was with Mitsubishi where I also was going to the snow and worried about freezing.
My enquiries revealed that if anything happened with the alloy block (such a hole) then if the coolant mix was not within specs when they tested it then you would not be covered by any warranty or manufacturers guarantee.

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22/Jun/2007, 7:47 am Link to this post Send Email PM   Send Private Message Blog
 
basshead Profile
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Date Registered: 02-2004
Location: Panania, Sydney
TOTAL POSTS: 2852
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Re: Coolant levels


Jalal, I'm surprised they said that. From what we've read, it seems more likely to be casting sand in the radiator that causes the problems emoticon

If sextrail is saying that his mechanic did a test on the coolant at 10,000km, and it indicated a low concentration level, wouldn't that mean that the Nissan product was wrong? Can anyone confirm the Nissan coolant is supposed to be only 3%? I thought all alloy engines used the same concentration of coolant?

If it's meant to be 50/50, then the 3% at 10,000km is a bit of a worry if it's not meant to be changed until 80,000km as stated in the service log book/maintenance schedule!



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22/Jun/2007, 12:25 pm Link to this post Send Email PM   Send Private Message MSN Yahoo Blog
 
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
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Re: Coolant levels


quote:

basshead wrote:

Jalal, I'm surprised they said that. From what we've read, it seems more likely to be casting sand in the radiator that causes the problems emoticon



Yes Rich and they don't deny that. However the majority of the cases they received wasn't blockage caused by casting sand, it was blockages caused by either using an incorrect coolant type or even worse, mixing coolants.

I can't make judgements of what sextrail's mechanic has done and how he determined that percentage, so am not going to comment on that, except to say that I haven't heard that before and he needs to make sure that the coolant used was exactly the same spec as the nissan one.

Maybe one of our on-board mechanics can shed some light about this gadget that was used.


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22/Jun/2007, 1:53 pm Link to this post Send Private Message MSN Blog
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
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Re: Coolant levels


Hi Guys,

Seeing that some of our members experiencing blown head gaskets and overheating, it is very important to follow the Nissan guidelines when it comes to choosing the right engine coolant and following the right engine coolant mixture ratios when a full radiator flush is performed.

Image

Image

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23/Jul/2007, 8:04 pm Link to this post Send Private Message MSN Blog
 
bluexy Profile
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Date Registered: 05-2007
TOTAL POSTS: 125
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Re: Coolant levels


hi all,i have found under my radiator cap a green gel substance, i also recently flushed the cooling system myself using a usual 50/50 mix.there is no sign of oil in the coolant,the exy is running fine and there is no coolant in the oil,there is no sign of overheating either.has anyone had this problem?
10/Oct/2007, 4:27 pm Link to this post Send Email PM   Send Private Message
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
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Re: Coolant levels


Anthony,

What brand coolant did you use and how did you flush the system? It could a residue from the old coolant after the flush was done.

Clean the area under the radiator cap and see if it happens again.

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10/Oct/2007, 4:51 pm Link to this post Send Private Message MSN Blog
 
bluexy Profile
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Date Registered: 05-2007
TOTAL POSTS: 125
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Re: Coolant levels


hi jalal,i have cleaned it all up and it has returned.i used nulon coolant from day one with no trouble until this happend.i flushed the system as i normally do by using nulon radiator flush and clean draining it out,then flush it down with clean water then re filling it with fresh coolant.could it be i havent flushed the system properly?
10/Oct/2007, 5:06 pm Link to this post Send Email PM   Send Private Message
 
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
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Re: Coolant levels


I think it has something to do with the way you flushed the system mate and the old coolant residue is now surfacing up now that it mixed with the new coolant.

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10/Oct/2007, 6:08 pm Link to this post Send Private Message MSN Blog
 


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