Was this transmission wiindup?

Submitted: Monday, Feb 14, 2011 at 22:52

ThreadID: 84363 Views:3656 Replies:5 FollowUps:7

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Member - Fred L (NSW)

Any Nissan patrol owners,

Just got back from the Victorian Alps and had a problem with the Nissan Patrol going down the very steep tracks.

Occasionally there would be a loud clang underneath (I thought more from the rear) and then a very brief loss of traction. The vibration ran right though the car/truck. I was driving in LO 1st or 2nd. Could this have been transmission wind up as I can't come up with any other explanation? The tracks were dead straight when it happened. The tracks were both smooth clay as well as soft gravel

Please help me out?

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Reply By: Wayne (NSW) - Monday, Feb 14, 2011 at 23:11

Monday, Feb 14, 2011 at 23:11

Fred,

Did you have the front hubs in Auto or Lock?

I have known the front hubs to unlock if they are left in Auto. this would give you the bang and the loss of traction.

I have found when doing any low range work in a Patrol it is better to have the hubs locked.

BTW I don't own a Patrol but I hope this helps with you question.

Wayne

AnswerID: 445467

Follow Up By: Dave(NSW) - Monday, Feb 14, 2011 at 23:23

Monday, Feb 14, 2011 at 23:23

I think Wayne has got it in one, The Patrols Auto hubs are well known to unlock at the most inconvenient times, It's always better to manually lock you hubs in when doing any 4wding. Also check this site outhttp://www.patrol4x4.com/forum/ plenty of info there.
Cheers Dave..

GU RULES!!

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FollowupID: 717739

Follow Up By: Patrol22 - Tuesday, Feb 15, 2011 at 08:33

Tuesday, Feb 15, 2011 at 08:33

Yep this could be it....although I never experience the problem going downhill I did when climbing.....half up the southern exit of Gunshot in 2001 when it happened it cost me a successful crossing :-) ended up having to use the winch. I eventually fitted AVM manual hubs because I also wanted to be able to use 2WD low range on steep hard surfaces when dragging the boat and camper around.

FollowupID: 717763

Follow Up By: Member - Fred L (NSW) - Tuesday, Feb 15, 2011 at 10:20

Tuesday, Feb 15, 2011 at 10:20

Thanks all for the info. The hubs were in auto. I have looked at the Patrol website and there was nothing specific about heading down a steep dirt hill. I was surprised that I could not just idle down under what was a very torquey situation actually I could except for the loud 'clang' which scared the xxx out of me.
Cheers

FollowupID: 717768

Follow Up By: Robin Miller - Tuesday, Feb 15, 2011 at 10:43

Tuesday, Feb 15, 2011 at 10:43

Agree with others above, usually just slips a cog and grabs again as they wear whenever excess pressure is on them.

What you can do Fred, to verify is swap the hubs over and problem will happen less downhill (for a while).

They are essentially non-repairable.

I love the auto hubs and when mine got to bad (220,000km) I brought some from a wreckers off a sub 100,000km wreck for $80.

Robin Miller

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Follow Up By: Member - Fred L (NSW) - Tuesday, Feb 15, 2011 at 20:30

Tuesday, Feb 15, 2011 at 20:30

What you say makes sense but what doesn't make sense is the fact that I have only done 100,000km. Ummmm!

FollowupID: 717835

Follow Up By: Member - Christopher P (NSW) - Wednesday, Feb 16, 2011 at 21:53

Wednesday, Feb 16, 2011 at 21:53

Hi if they are aisin hubs you can swap them out for a lockable pair. around 100 dollars for the units. a pair or not, i could be out on the price.. sorry don't touch nissin.

my replacements after bashing them to death came of a ford courier 4wd.