Odometer inaccuracies on Patrol?

Submitted: Sunday, Apr 17, 2005 at 09:21
ThreadID: 22128 Views:2083 Replies:8 FollowUps:5
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Hi,

Just taken delivery of my new Patrol with its factory fitted tyres and as I have it under a lease I'm consious of the k's i'm doing.

So its come with its factory fitted 17" rimms and 275/65 R17's Dullers

When Driving to work in my Pulsar or Santa FE I am 11k's door to door

In the Patrol it is 10.3

When on the Freeway and you come across those odometer checks at the 5k mark my trip meter reads 4.7.

Now normally I would not worry if I owned the car and wanted to sell as it means that the car has done MORE k's than the speedo reading BUT as I have leased the car I am required to do 25,000k's per year BASED on my speedo. This should not be a problem but this equates to approx 1500k's extra a year (3 weeks) I need to travel to satisfy the taxman.

Anyone else noticed this?

Next step is the to check against a GPS

Paul
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Reply By: Patrolman Pat - Sunday, Apr 17, 2005 at 09:50

Sunday, Apr 17, 2005 at 09:50
My speedo was out about 5%, it's now spot on with my new tyres. I'm pretty sure ADR allows for upto 10% inaccuracy so I don't think you'll get much joy from Mr Nissan.
AnswerID: 107084

Reply By: Peter 2 - Sunday, Apr 17, 2005 at 09:53

Sunday, Apr 17, 2005 at 09:53
When you use the GPS don't forget to add a waypoint to your route at EVERY bend and turn as the GPS only measures in a straight line.
Peter
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AnswerID: 107085

Follow Up By: bob2 - Sunday, Apr 17, 2005 at 10:07

Sunday, Apr 17, 2005 at 10:07
Magellan Gold when set to ODO gives a very accurate distance travelled, but it resets to zero at 10,000kms.
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FollowupID: 364073

Follow Up By: Bonz (Vic) - Sunday, Apr 17, 2005 at 12:15

Sunday, Apr 17, 2005 at 12:15
you shouldnt have to do this as the gps measures each distance increment each second, so as long as you're not doing like 400kmh you should be ok, 100kmh is about 27.8 metres per second.
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Reply By: Redeye - Sunday, Apr 17, 2005 at 13:12

Sunday, Apr 17, 2005 at 13:12
Paul,

My patrol was 2Km out over a 200Km run using the Garman GPS on a trip from Goondiwindi to Brisbane.

Running 275 70 16".

I was happy with that.

Garry

AnswerID: 107100

Reply By: Pezza - Sunday, Apr 17, 2005 at 21:00

Sunday, Apr 17, 2005 at 21:00
G'day Paul,

Can't see a problem with that mate, what better excuse do you need to do a cape york or kununurra trip just before each financial year is up to rack up the extra k's!

Avagoodn
Pezza
AnswerID: 107154

Reply By: Paul - Sunday, Apr 17, 2005 at 21:06

Sunday, Apr 17, 2005 at 21:06
GPS says its 11.1km to work.
Also when I'm doing 100 clicks I'm really doing 104.

Paul
AnswerID: 107155

Reply By: brett - Sunday, Apr 17, 2005 at 22:07

Sunday, Apr 17, 2005 at 22:07
The ADR says your speedo can over read by I think 10% maybe higher but under read is 0%, so if your's is under reading I'd be getting nissan to calibrate it or send them your speeding fines.
AnswerID: 107173

Reply By: Member - Bob (SA) - Monday, Apr 18, 2005 at 19:45

Monday, Apr 18, 2005 at 19:45
Hi Paul

Had the same problem with my GU 4 Patrol. Was reading 5 Kph slow at 100 Kph
Asked Nissan to fix at 1000k service but was advised that it was with in the ADR specs of + or - 10 % .
Fixed it my self by changing the speedo driven gear in the gear box 10 min job.
part number is NI-32743-VBO16 this is a yellow 16 tooth cog

Bob
AnswerID: 107276

Follow Up By: Member - Jeff M (WA) - Friday, Apr 22, 2005 at 12:44

Friday, Apr 22, 2005 at 12:44
Yeah and in Vic you only have to be doing 3% over the limit to get booked, that's fair isnt it!
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FollowupID: 364684

Reply By: Theo - Friday, Apr 22, 2005 at 10:18

Friday, Apr 22, 2005 at 10:18
Hi Paul,

Yeah it's a bit of a prob with the tyres Nissan is now dressing the Patrols in. The 689 "All Terrain" Bridgestones aren't much off road.
I just want to ask if you have able to source any replacements yet? I called and emailed BFG - no response yet???
Coopers don't make a 275/65X17 either.

I was told by one tyre dealer to fit the BFGs in 265/70X17 as that is the closest match to the factory treads. Investigated more only to find the rolling diameter of the 265 BFGs is 804mm, the originals are 789mm. Someone said that is too great a difference to be "legal".

Anyone have any clues where I can get some true AT tyres for the new GUII Patrol?

Thanx, Theo.
AnswerID: 107789

Follow Up By: Paul - Friday, Apr 22, 2005 at 11:50

Friday, Apr 22, 2005 at 11:50
Theo,

Took it to Nissan they said it was within spec, but they adjusted the TACHO so I qoute " The customer cannot get caught speeding"

Now the Patrol tacho shows 700RPM when idleing instread of 750RPM.

I have not come across anyone who judges speed of a tacho?

After they adjusted it I tested it using the same GPS and the speedo reads exactly the same as before

I've bought myself the Speedo adjustment kit from Jaycar ($44) ,at least this way what ever tryes I put on it I can adjust it the speedo to compensate.

I'll just ride out the factory tyres and worry about replacments later.

Paul
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FollowupID: 364677

Follow Up By: Member - Jeff M (WA) - Friday, Apr 22, 2005 at 12:47

Friday, Apr 22, 2005 at 12:47
This mamby pamby legal crap gives me the whoopsies. Just put them on, when they wear down they'll be legal! LOL
I doubt anyone would ever notice anyway.
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FollowupID: 364685

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