Nissan Patrol GU 3.0l TD Drive Belt Replacement

Submitted: Sunday, May 18, 2008 at 15:02
ThreadID: 57723 Views:23884 Replies:5 FollowUps:4
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I'm after any tips or info on changing the drive belt on my GU patrol. I have the gregorys workshop manual and it all seems simple enough but I am having difficulty in removing the old belt. The manual tells you to rotate the tensioner anti clockwise away from the belt using a ring spanner on the casting bolt. There does not seem to be enough room to get a ring spanner on the bolt so I tried a socket, however I could not get anything to move and was concerned with breaking something if I used too much pressure. Is there a trick to doing this? One dumb thought I had was with "anticlockwise" is that looking at the front of the engine or the other way? I'm no mechanic but am prepared to have a go so if anyone has any suggestions or tips on changing the belt I would appreciate any assistance.


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Reply By: Mark (Geelong) - Sunday, May 18, 2008 at 16:03

Sunday, May 18, 2008 at 16:03
Make sure you are putting socket on to the casting bolt and not the mounting bolt it will only move one way against spring tension
I take the fan shroud off and also the fan to get easier access
Good luck
Mark (Geelong)

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AnswerID: 304492

Follow Up By: RosscoH - Sunday, May 18, 2008 at 21:03

Sunday, May 18, 2008 at 21:03
Take it to a mechanic that knows what he is doing, too much money involved in fixing a stuff up.
FollowupID: 570638

Reply By: Member - 120scruiser (NSW) - Sunday, May 18, 2008 at 21:10

Sunday, May 18, 2008 at 21:10
The easiest way is to put a socket with a long breaker bar on it from underneath. Remove the lower part of the shroud which just clips off. Place the breaker bar on so it is facing the ground. When you turn it anti clock wise you will be compressing the auto tensioner which is like a small shock absorber. It will be turning against oil pressure so there is considerable resistance. You will need a second person to flip the belt off the alternator. Once its off there you can remove the rest of the belt and install the new one on everything bar the alternator. Compress the tensioner again and have somebody flip it onto the alternator pulley.
Beware if you have an after market belt because alot of people are selling belts 5 mm shorter than the OEM and you will not get it on. I think from memory the correct size is 1570 but I am at home not at work and only guessing. The tensioner will not compress much but you will have to hold it compressed. Before you install the new belt check the bushes on either end of the tensioner as these chop out. The pulley bearing also gets noisey. Don't buy a genuine pulley if it needs one. You can replace the bearing. The part number is on my Nissan Patrol page which you can get via my link in my profile.
I hope this helps.
AnswerID: 304581

Follow Up By: Member - Glenn D (NSW) - Sunday, May 18, 2008 at 21:19

Sunday, May 18, 2008 at 21:19
I guess we typed this together LOL.

You get REALLY pumped from Nissan with that bearing , at the time I needed it you could only buy the whole tensioner assy , for $300 from memory.

FollowupID: 570644

Follow Up By: Bob on Patrol - Monday, May 19, 2008 at 13:43

Monday, May 19, 2008 at 13:43
Thanks for the advice, It was the amount of effort required which was concerning me, I was not sure if it was stuck. I will try again next weekend.


FollowupID: 570745

Reply By: Member - Glenn D (NSW) - Sunday, May 18, 2008 at 21:15

Sunday, May 18, 2008 at 21:15
Hey Bob ,

I use a long breaker bar with a socket , on my vehicle a small section of fan shroud unclips and gives you enough access to get tool in.

The belt tensioner is kind of like a shock absorber and feels solid then when you over come the pressure it becomes easy to move.

99% sure i lie down and pull the bar toward the passenger side , once you have the shroud off and a light in there you can see whats going on heaps better.

Good on you for having a go , good practice for if the belt breaks in the back of beyond.

Hope this helps you out .

AnswerID: 304582

Reply By: Member - Hugh (WA) - Monday, May 19, 2008 at 16:46

Monday, May 19, 2008 at 16:46
Hi Bob,
Out of interest, what is the recommended life on the drive belt? Reason I ask is that I just had 100k service done by Nissan and this wasn't replaced. Figured most are around 100k.
Regards, Hugh
AnswerID: 304719

Follow Up By: Bob on Patrol - Wednesday, May 21, 2008 at 20:43

Wednesday, May 21, 2008 at 20:43
Apologies for not responding sooner but I have been offline for afew days. The service recommendations for the drive belt is to inspect it> I cannot find where Nissan recommend an exact time to replace it. On other cars I have owned it has been around 80k to 100k. My rig has done 118k and I am changing it because I'm about to set off on a trip to the red centre. In my opinion mine feels hard and the grooves have become very rough and I would replace it even if I was not travelling.
FollowupID: 571158

Reply By: Bob on Patrol - Saturday, May 24, 2008 at 13:31

Saturday, May 24, 2008 at 13:31
Success! Tried again today using all advice provided above and working under the car I was able to change the belt. Ended up taking the fan off which made putting the new belt on a lot easier.

Thanks to all who offered advice.

AnswerID: 305596

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