AUSTRALIAN X-TRAIL FORUM :: Engine Mechanical :: Timing Chain service/Replacement.

Australian X-Trail Forum Engine Mechanical
Timing Chain service/Replacement.

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dmsantam Profile
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X-TRAIL NEWBIE

Date Registered: 10-2008
TOTAL POSTS: 8

Re: Timing Chain service/Replacement.

your problem does not sound like a timing chain or tensioner issue. sounds to me like you need to clean your injectors. my exy hasn't had any issues with 130kms done so far. i did have to change the CCT on my motorcycle though. The chain slap is quite clear at idle, particularly when cold. if you're not getting these noises, that is not your problem.

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2007 T30 Ti-L over 100K kms on the clock

31/Dec/2015, 10:52 am

expat1 Profile
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Date Registered: 04-2014
TOTAL POSTS: 19

Re: Timing Chain service/Replacement.

Ok gents, here is a youtube tutorial by Eric the Car Guy on changing the timing chain and balancer unit timing chain for the X-Trail T30 QR25DE engine. The car in the video is a 2003 Sentra SE-R, but its the same QR25DE engine with the exception of the power steering pump and a few other accessories (in my opinion). This is not my video, I'm just passing it along. You will need to read the applicable sections of the factory service manual before attempting this repair.

Watch it and weep, it took him 5 hours just to remove the timing chain and balancer unit timing chain!

The entire video tutorial is 3 hours long, here is part one:

Last edited by expat1, 18/Jul/2016, 11:30 am

18/Jul/2016, 11:26 am

Joseag Profile
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Date Registered: 08-2016
TOTAL POSTS: 7

Re: timing chain tensioner

I have found two ways to confirm that your timing chain is stretched.
The first one is a visual of the tensioner plunger by removing the cam sprocket cover. The plunger is about 35mm long and if it is out by 25mm or more then you need a new kit.
The second I found, and some of you can hopefully confirm, when using the android NDS II , OBD scanner the reading at idle of the intake cam advance reads negative values (angles). In my case it read -15 before and now it reads around zero. A -1 or -2 readings are not an issue.

6/Sep/2016, 1:36 pm

smithy83 Profile
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Date Registered: 08-2015
TOTAL POSTS: 9

Re:

Hey all so I just recently had to do the timing chain on my 2001 t30 x trail i had to take it a engine recondition shop as the mechanics I went to said only Nissan could do it and Nissan had quoted me 1400 dollars just on labour plus the cost of the chain kit the shop I took it to supplied and fitted it for 1100 and took them 7hrs to do it mine started to make noise around 150k mark and while the chain was in ok condition as was the tensioner it was the chain guides that had worn out the nylon type rubber on the guides had completely gone and it was rubbing metal on metal on start-up and around 1500-2000rpm

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Michael
brisbane
2004 Nissan xtrail st T30 auto petrol standard
X-4319

9/Apr/2017, 6:38 pm

MrBradPrime Profile
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Date Registered: 09-2017
TOTAL POSTS: 9

Re:

I've read a few topics now but have not been able to confirm. Can anyone tell me does the engine have to be removed just to inspect/replace the timing chain tensioner?

I called my local Nissan to ask how much to replace the tensioner and they said they would have to take the motor out so would be looking at $1400 labor plus parts.

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Brad - X-5213 - 06 X-Trail ST-S Auto

7/Sep/2017, 11:45 am

jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29100

Re:

Hi Brad,

The YouTube video 2 posts above yours answers your question.

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8/Sep/2017, 9:32 am

Revhead Kev Profile
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Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 6360

Re: Timing Chain service/Replacement.

Hi Brad,
The engine does not need to be taken out to replace just the tensioner, only if the chain and/or giudes need to be replaced.

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Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
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8/Sep/2017, 10:01 am

MrBradPrime Profile
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Date Registered: 09-2017
TOTAL POSTS: 9

Re: Timing Chain service/Replacement.

quote:
Revhead Kev wrote:

Hi Brad,
The engine does not need to be taken out to replace just the tensioner, only if the chain and/or giudes need to be replaced.

Thanks Kev, i'll talk to some other mechanics then who can quote me a price without taking the motor out.

I apologise for not watching the video above, the title indicated that it was just a video showing how to change the chain so didn't think it would show how to replace the tensioner without removing the engine.

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Brad - X-5213 - 06 X-Trail ST-S Auto

11/Sep/2017, 7:35 am

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