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-   General Nissan R35 GT-R Chat (https://www.gtr.co.uk/forum/general-nissan-r35-gt-r-chat.html)
-   -   Can anyone Help? r35 gtr engine locking (https://www.gtr.co.uk/forum/499841-can-anyone-help-r35-gtr-engine-locking.html)

GTRnutjon 26th February 2017 07:53 PM

Hi I've got a r35 gtr other day it cut out on me and wouldn't turn over then it started for a few seconds then cut out again, took spark plugs out and turned by hand the engine is locking but not seized also no knocking when it started briefly, I was wondering if anything starter or transmission could cause this also had bell house rattling issue if that makes any difference any help would be appreciated

Teaboy 26th February 2017 09:44 PM

Is the car stock or tuned?
If tuned then to what level?
How many miles are on the car?
What where you doing before the engine cut out ie general driving, spirited driving or giving it a proper kicking?
I take it when you say it locks up but not sized dose it come to a dead stop or you encounter lots of residence?
Will the engine then turn backwards and free off?
What is the engine oil level and coolant level like?
Are you sure the was no out of the ordinary sounds when it ran briefly?

charles charlie 27th February 2017 07:38 AM

Impossible to diagnose from such limited info.

First thing to do is read any DTC codes.

My initial thought would be a fuelling issue.

Takamo 27th February 2017 09:54 AM

As said by Charles, I'd be reluctant to try and turn it over if it's locking up, you may do more damage

GTRnutjon 27th February 2017 10:02 AM

Thanks guys no it's standard 60k miles and I was in 2nd gear going around 40mph, and no starage noises when it ran, it will free off if I go backwards and then come to a stop again when I go forward, I've got 2 computers but they don't talk to the car I will get it booked in somewhere at some point as i can see it's going to be quite serious.

dudersvr 27th February 2017 10:36 AM

If the engine didnt make any noises it could be something in the drivetrain, have you tried disconnecting the prop and seeing if it turns over by hand? But it can also be something in the bellhousing.

Stealth69 27th February 2017 10:38 AM

Sounds odd, almost sounds like the Diffs have wound up.

dudersvr 27th February 2017 10:46 AM

Quote:

Originally Posted by Stealth69 (Post 5176241)
Sounds odd, almost sounds like the Diffs have wound up.

Or something come apart in bellhousing

Stealth69 27th February 2017 11:00 AM

Quote:

Originally Posted by dudersvr (Post 5176265)
Or something come apart in bellhousing

yeah possibly, seems odd it will go backwards and not forward, meh I'm no techy :)

terry lloyd 27th February 2017 11:14 AM

OP says he is turning it by hand ? sounds like something is broke in the engine if it wont turn a full cycle without locking

55chev 27th February 2017 12:42 PM

Could be a thousand and one things,process of elimination,first id look at the data,then id remove oil filter and cut it open,if anything has gone wrong in the motor there will be signs in that filter,if engine doesn't turn by hand,then remove prop,to discount trans and diff,then work forward,i deffo would not be trying to start the motor.best of luck,hope its something easy..

Takamo 27th February 2017 03:32 PM

Sounds like your timing chain may have slipped which would cause the symptoms.... Hope I'm wrong and it's something minor.

GTRnutjon 27th February 2017 05:30 PM

Thank you everyone, I think I will inspect the oil filter and also I will remove prop no harm In me doing that I suppose just want to know as I can't stop thinking about it haha, is the prob a straight forward job to disconnect?

Takamo 27th February 2017 05:39 PM

The prop is an easy job but if you turn it over and it locks up again you might cause more damage, I'd get a professional opinion rather than risk it going bang, has the timing chain ever been changed do you know?

GTRnutjon 27th February 2017 05:45 PM

This is a video of my trying to start it before I was told not to, you can see it start then cuts out that's obviously when it locks up, https://youtu.be/TFvYirZa6Aw

GTRnutjon 27th February 2017 05:51 PM

No I won't turn it over again and timing chain has never been done, I took the spark plugs out and Inlet manifold I can see the valves they look straight but I'm not a expert

motors 27th February 2017 06:09 PM

Think you are best to get car recovered and get a specialist to look at car to avid further damage.

Takamo 27th February 2017 06:41 PM

That sounds like cylinder lock which can be caused by the timing chain slip... Don't turn it over you will knacker it completely.

dudersvr 27th February 2017 07:23 PM

Quote:

Originally Posted by GTRnutjon (Post 5176833)
Thank you everyone, I think I will inspect the oil filter and also I will remove prop no harm In me doing that I suppose just want to know as I can't stop thinking about it haha, is the prob a straight forward job to disconnect?

Drain the oil, remove the sump and see if any debris in there, you can even pull a rod cap off and check bearings

dudersvr 27th February 2017 07:24 PM

Quote:

Originally Posted by Takamo (Post 5176977)
That sounds like cylinder lock which can be caused by the timing chain slip... Don't turn it over you will knacker it completely.

If it ran like that and stopped while running it already has bent valves etc


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