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burlistic Profile
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Date Registered: 09-2014
TOTAL POSTS: 6
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AC service advice


We bought our Xtrail in March and the AC struggled on the really hot days here in Perth.

The AC does work and blows cool but cannot keep the cab cool when it gets very hot.

We have a 2004 Ti [sign in to see URL] Petrol. Is this normal?

Is there anyone point in getting the system re-gased or this is a waste of money?

I am planning on having a look at the filter and changing it this weekend myself.

Thanks for any advice.



Last edited by burlistic, 26/Sep/2014, 2:04 am
26/Sep/2014, 1:59 am Link to this post Send Email PM   Send Private Message Blog
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 28890
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Re:


I would say it's normal and I noticed exactly the same thing on 35+ degree days here in Sydney when I had my T30. The absence of rear vents for the passengers at the back meant that the cooling efficiency of the car was affected badly in hot summer days. There is little you can do about this except maybe look at adding a dash fan to circulate the air a bit better around the cabin.

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26/Sep/2014, 7:59 am Link to this post Send Private Message MSN Blog
 
burlistic Profile
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Date Registered: 09-2014
TOTAL POSTS: 6
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Re: Re:


Many thanks Jalalksi. I thought that might be the case and your confirmation has helped me save a few hundred bucks. The fan is a good idea.
27/Sep/2014, 12:58 pm Link to this post Send Email PM   Send Private Message Blog
 
valkie Profile
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Date Registered: 04-2014
Location: Central Coast NSW
TOTAL POSTS: 78
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Re:


On really hot days, no air conditioning will work well.

If you look at the specs on your house air conditioning they will tell you that they are guaranteed to perform at around 18-20 deg cooler than the ambient air temp.

This is all due to the efficency of the little radiator in the air con unit.
It works on heat exchange, the hotter it is outside, the less the radiator can cool the gas and the less cool the evaporator will cool.
Cars have even smaller heat exchangers and this is bolted on the front of a very hot radiator, the poor little bugger is working its heart out.

In your car, you will have probably found out, the air con works soooo much better on the freeway.
This is for two reasons,
1) the air passing over the radiator, heat exchanger.
2) the compressor working faster and moving more compressed gas volume.

Humidity also helps the cooling process.
The higher the humidity, the cooler the air, this is because air conditioners dry out the air and this (for some very technical reasons) tens to help the cooling process both with the air conditioner and the human body as it allows our body to use its internal (evaporative) air conditioner.
But dont blame the car.
I have had Fords, Holdens, Hondas and toyotas all brand new cars.
I can tell you, with hand on heart, that none are particularly good on really hot days.
In fact, the Ford actually shuts down and stops working altogether in 42 deg
The Toyota backs off and pumps slightly tempid air at 40 degrees
The Honda was at least cool, but not very at 43 deg and the Holden just gave up and stopped working altogether at 41 deg and had to be fixed.

The new gas (ozone friendly) has a lot to answer for as well, the old gas was much more efficient and worked a treat in most conditions.
I still remember when on a humid day ice crystals used to come out of the vents at times.
The new gas can barely cool a can of drink, let alone a whole car, bloody environmentalists.

But just to give you some advice.
1) Park the car under shade when possible, a hot car takes much longer to cool down.
2) Get window tinting if you can, this reflects heat and helps reduce the hot house effect its also a safety measure as it stops glass from coming in on you in a crash.
3) Get one of those reflective window shades for the front window (see 1 above) the seats and interior captures heat which radiates into the car as it cools.
4) open the back windows 1/2 inch when you start up the air con, but close it when the initial heat is gone. The hot air is lighter thannthe cool air and if you can imagine the car filling with cool air and the hot air flows out the windows at the top. Once the car sttarts to cool down, the internal vents at the back allow the air to circulate and this takes over.
For this reason also leave the windows down a little1/4 inch when parked, it lets the hot air out.

Do all this and you will find it a little more comfortable.
Remember, every person puts out the equilivant of 60 watts of heat just sitting, 70-100 watts if active and if you are all hot and bothered before getting into the car that can nearly double. Put 4 hot people in a car on a hot day and the poor little airconditioner has to try and cool down the car and 4 people putting out over 500 watts of heat as well as any extra heat coming in through the windows. Good luck.



---
2010 T31 Series III 2.5 White Automatic CVT
A vehicles real purpose in life is to tow a boat
Guy Fawkes is my hero (Born 13/4/1570, Murdered 5/11/1605)
He was only trying to do the right thing
27/Oct/2014, 1:55 pm Link to this post Send Email PM   Send Private Message Blog
 
XTRAILBLAZER Profile
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Date Registered: 05-2015
Location: Rio de Janeiro
TOTAL POSTS: 30
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Re: CABIN AIR FILTER


Gradually servicing my recently acquired t30 GX, 2.5 petrol, 2007/8, I've found there is no cabin air filter installed. So, I'm looking into buying a washable cabin air filter. None available here in Brazil, so may even make one myself. More than caring for my lungs, I'm concerned about keeping the AC cooling unit unclogged. While at a dealership here in Rio de Janeiro on a recall to change a passenger side airbag gas component, I enquired about this filter. Price: US$ 185 (equivalent) !!! A Nssan world record! According to the sympathetic spare parts attendant, as soon as a model stops being manufactured, the part prices rocket. Frankly, this exploitative policy puts me off this make.

A very helpful guy in the Canadian Forum spoke of the difficulty getting the blower out, but how about this NIGHTMARE. Note where the filter lies and how dirty it is.

[url][sign in to see URL]
30/Aug/2015, 7:15 am Link to this post Send Email PM   Send Private Message Blog
 
dlpeek Profile
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Date Registered: 12-2010
Location: Macquarie Fields SYDNEY
TOTAL POSTS: 898
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Re: AC service advice


whew.........

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Dave Peek
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Tow Bar, bash plates, PEDDERS lift, YOKO GEO AT/S tyres.


30/Aug/2015, 7:47 am Link to this post Send Email PM   Send Private Message Blog
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 28890
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Re:


The T30 microfilter (also known as Cabin Filter) replacement is much simpler than that and you can find a step by step guide on the replacement process along with the Nissan Part Number( which you can Google for better prices on eBay) on our forum main site ]HERE.

There is also an existing thread about the microfilter ,offset=0]HERE which you can use to ask any follow-up questions.

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30/Aug/2015, 8:10 am Link to this post Send Private Message MSN Blog
 
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Date Registered: 05-2015
Location: Rio de Janeiro
TOTAL POSTS: 30
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Re: AC service advice


Hi JALALSKI,

Many thanks for your prompt reply, I very much appreciate the link you gave to the instructions and, in particular, the series of excellent photos showing how to change the t30 cabin air filter. In fact, the photo showing the inside of the filter housing was far more revealing than the workshop manual diagram, which does not show what the filter rests on, appearing as if it floats in mid-air by levitation !!!

As it appears the car has not had a filter for some time, before installing one, with the filter housing panel door off, I'm thinking of blasting a reverse air flow through one of the AC air outlets (with all the olhers closed) in the hope of blowing out any debris and dust that may be clogging the evaporator (radiator). I really wouldn't like to dismantle the dashboard to clean it.

Cheers, BRIAN
31/Aug/2015, 10:13 am Link to this post Send Email PM   Send Private Message Blog
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 28890
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Re:


No problems mate. The T30 never came with a cabin filter from the factory and Nissan expected us to buy one as an added accessory.

The filter fits in a plastic pocket above the blower fan itself and there is a white plastic compartment door which you will need to open to slide the cabin filter through. It has to be an exact size filter meant for the x-trail, otherwise it won't fit.

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31/Aug/2015, 1:11 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: 5203
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Re: AC service advice


Hi all,

Just had to have my aircon looked at. No cold air at all suddenly one day. Everything else works fine.

Took it to the local aircon mechanic and after testing the system found the aircon compressor was not making suction, so new compressor required.

As you all know, aircon compressors can be expensive from the dealer, well over $1,000 and a well known spares place of the forum regulars, Amayama had it for just over $1,000 so I went looking for a local supplier of reconditioned compressors or someone who could recondition them.

Found a place in Rockhampton Qld which sells reconditioned and new compressors. That is all they do.
All Auto Air Compressors
Steve there knows his stuff and all the Xtrail models.
Best thing is a brand new replacement complete with clutch pulley ready to just bolt on was $485 delivered to Sydney. Arrived in 2 days.
Hard to beat that emoticon

I recommend them to anyone needing a new aircon compressor.

---
Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
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12/Feb/2016, 10:52 pm Link to this post Send Email PM   Send Private Message Blog
 


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