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Solved: Trip Reset (Odometer +1km)


MildSeven

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Hi Guys,

 

My mph speedo was broken, I was lucky to find a well priced cluster from Netherlands in KMph. I will swap out the speedo, in to the my cluster housing in the spring.

 

I pulled the speedo out, to dust it off and adjust the mileage, I notice when I reset the trip counter it adds a KM to the odometer. Anyone know why, or has anyone seen this before?

 

I used search, but nothing other than odometer broke/repair threads.

 

Thanks,

Anthony

Edited by MildSeven

picked up what i thought was a sound Verona Red '76

 

The Refresh Blog: http://www.bmw2002faq.com/blog/155-76-verona-red-refresh/

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Maybe some slack int he geartrain?  That's an odd one... 

I've had them move the mileage slightly one way or the other,

but never a consistent digit.

 

Cool.

 

t

 

"I learn best through painful, expensive experience, so I feel like I've gotten my money's worth." MattL

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I agree with Toby about slack or wear.  Over the years I experienced the same symptom - two or more times and merely left it alone.  In each instance, the odometer eventually stopped registering accurately and on at least one occasion after using the reset function, the odo stopped registering entirely.  Disassembling the mechanism is easy enough but I have had mixed results with a repair.  One time, the gears and plastic parts all seemed sloppy and beyond a simple lubrication issue.  After reassembly everything worked but now made noise that did not abate.  I found it less expensive to swap the speedometer out than remanufacture one or two worn plastic parts.  On another occasion the issue was lubrication yet too much can have equally poor results.  The odo functioned but was inaccurate.   MikeS did a writeup on fixing non-working odometers that may prove helpful.

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Get ahold of the folks at Odometergears.com; they are extremely knowledgeable about 2002 odo repair (the problematical odometers on E30s too).  They make replacement gears for your odometer, plus installation instructions that should solve your problem.  Nice guys, too.

 

mike

'69 Nevada sunroof-Wolfgang-bought new
'73 Sahara sunroof-Ludwig-since '78
'91 Brillantrot 318is sunroof-Georg Friederich 
Fiat Topolini (Benito & Luigi), Renault 4CVs (Anatole, Lucky Pierre, Brigette) & Kermit, the Bugeye Sprite

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thanks for the replies, guys.

 

Ok, so looked at it again today.

 

I noticed the first grey gear was loose, I pulled the shaft out, and punched the shaft as instructed as I had done with the odometer currently in my 02 (thanks to thread on here).

 

this one:

 

That fixed my trip-reset +1 km odometer issue.

 

Notes for others:

Not sure if my theory applies to all...

 

evidence:

1. When the lead gear was not catching, every time I would reset my trip counter the odometer would gain 1km

 

2. When the lead gear was catching (fixed) but the gear on the "arm" next to the speedo-cable (the one with screw for adjustment) was not re-attached, every time I would reset my trip counter the odometer would gain 1km.

 

conclusion:

if you reset your trip counter and the odometer gains 1km, you might have a lead gear which is not catching or the speedo-arm gear that has backed of the mileage-shaft sprocket.

 

Might be a way to test it before pulling your cluster out.

 

Edited by MildSeven

picked up what i thought was a sound Verona Red '76

 

The Refresh Blog: http://www.bmw2002faq.com/blog/155-76-verona-red-refresh/

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