Replies to Topic

• Replied by OZtion Member on 01-May-2008 16:08 (Ref 1577)	Edit
  The info I got on this subject A friend who is a 3rd gen mechanic ,his sister works for the company that test the roads & equipment say THE MANUFACTURER can not make the speedo more than 10% accurate.10% is acceptable for a margin of error.

• Replied by OZtion Member on 01-May-2008 16:16 (Ref 1576)	Edit
  The speedos on most vehicles are set to a certain tyre size, ie": smaller tyres than recommended= higher speedo reading. Higher tyres =lower speedo reading. NSW police radars allow for a 6% tolerance. I would be talking to the RTA if I was you, reason being 10% variation would not meet Australian Standards. steve

• Replied by OZtion Member on 01-May-2008 16:24 (Ref 1581)	Edit
  The service centre where I go also told me they alllow a percentage out to be acceptable, but really, 9 ks is alot. Too much.

• Replied by OZtion Member on 01-May-2008 16:27 (Ref 1582)	Edit
  Argybyz, we thought about putting larger tyres on but why should we have to fork out for new tyres when we just purchased a new car?  Surely if Nissan put tyres on that are too small as "standard" they should just bring them out with larger tyres???

• Replied by OZtion Member on 01-May-2008 16:30 (Ref 1578)	Edit
  Check the recommended tyre size on your compliance plate! Dealers have been known to cut costs! steve

• Replied by OZtion Member on 01-May-2008 16:56 (Ref 1579)	Edit
  Thats the info I got from the company she works for. Thats how you can get out of SOME speeding tickets,if 10% or less,wright them a letter & if you have a clean record its wiped,so 108 k`s in 100 zone you can get of. Its the what manufacture says.

• Replied by OZtion Member on 01-May-2008 17:10 (Ref 1583)	Edit
  Dodgefoundry, there's no way I'll get a speeding ticket with my travelling speed! Will definately check the compliance plates though on it. I doubt my dealer is dodgy, but I bet my ballsIhavenotgot that the Nissan execs have their speedos spot on.Just disappointed.

• Replied by OZtion Member on 01-May-2008 17:28 (Ref 1580)	Edit
  My comment was for speedos in general.The tyre size is more of an issue

• Replied by OZtion Member on 30-Sep-2008 15:47 (Ref 1584)	Edit
  I just found this posting via google. I have been waiting for other owners to discover this problem. It's patently a recall for Nissan but for obvious reasons they are trying to dodge this one. We have two current model navarra TDIs. Both have almost identical speedo issues, being more than 10% out of true reading. We checked the speedo of one ute against the our precise RTK dual reciever GPS system. The surveyors out there know what this means but to the layman it'll give 2D coordinates to cm accuracy. The GPS you buy at repco etc gives 2D accuracy to plus or minus 5-10m (although in practice it's usually better than this). From this we saw the speedos were reading about 10km/h higher than actual speed. We took our utes to Nissan dealer and they checked the speedo's with their computer. Their computer indicated the speedo was calibrated correctly. Next we took both our utes to the only N.A.T.A. certified dyno in sydney. This mob calibrate the highway patrols speedo's. The dyno readings confirmed our original GPS measurements, specifically that the speedo's were in EXCESS of the 10% variation allowed to vehicle manufacturers We took this back to Nissan dealer and requested repairs. After MUCH back and forth Nissan Australia advised the dealer to replace our speedo's. This did not fix the problem, at which point Nissan won the war of attrition and we gave up. My Speculation: Annecdotaly, a friend of mine has the Pathfinder which i suspect is mechanically similar. I suspect Nissan has a different diff ratio between the pathfinder and the navara. I suspect Nissan saw that they were very close to being within the 10% speedo variation they're allowed and didn't bother making the required changes as a cost cutting measure. As i said, i'm talking out of my arse here but Nissan is a massive car company and i'm sure they are well aware of this issue and know exactly what the cause of it is. All they need to do is wait till the next model release and rectify it then, Much cheaper than a recall! One thing to note is that the method Nissan use to check their speedo's in the work shop does not give a correct reading. If my diff theory is correct it might be because Nissan are testing the speed at the gearbox. So thats our story. If your experiencing similar speedo issues your not alone. We spent close to $400 of our own money to prove to Nissan that our speedo's were reading incorrectly. What this needs is someone to persue Nissan to the dogged end but who the hell has the time or money for that? so i figure that forums like this are the only method we have to remind Nissan they haven't exactly gotten away with this one. Good luck all.

• Replied by OZtion Member on 05-Oct-2008 11:15 (Ref 1585)	Edit
  Hey, there is a good thread about this here www.navara.asia/main-forum/30-speedo-problems.html

• Replied by OZtion Member on 11-Dec-2008 09:11 (Ref 1575)	Edit
  Howdy, same problem. Went to nissan dealer for 10 000klm service, told him of the speedo variations. He told me that it is within Nissan regulations. I let him know that its bullshit. But what can you do.