

| Subject: | Re: Odometer Repair |
| From: | Frederick M. Wasserstein |
| Date: | Mon, 8 Jan 2001 13:49:42 -0600 |
That's the one. Thanks! Now can you tell me how I got to a Porche page. <g> Fred 1982 Vanagon Westy Diesel "Sammy" 1984 GMC Suburban Diesel 4 X 4 " The Beast" ----- Original Message ----- From: "1980 VW Westfalia "Pokey"" <pokey@VANAGON.ORG> To: <vanagon@GERRY.VANAGON.COM> Sent: Monday, January 08, 2001 9:38 AM Subject: Re: Odometer Repair > This one? > > Thanks, > Chris Gronski > Toronto, Ontario, > '80 Westy "Pokey" - SLOPOKEY > '87 Chevrolet Sprint - Ice Racer > '91 Pontiac Firefly - Convertible > www.vanagon.org & .ca > www.gronski.com, .org, & .ca > www.nineeleven.org & .ca > > ----- Original Message ----- > From: "Don Oldenburg" <ELEVENHALF@aol.com> > To: <vanagon@GERRY.VANAGON.COM> > Sent: Sunday, August 20, 2000 12:50 PM > Subject: Odometer doesn't work; speedometer does? > > Hey Folks-- I just ran up against this problem in my '87 Jetta GL and wanted > to report that there is indeed a do-it-yourself fix for it that requires > little more than time and lots of patience. A previous kind contributor to > this news group directed sufferers if this relatively common VW ailment to > the Pelican Parts website > > http://www.pelicanparts.com/techarticles/Mult_gauge_repair/mult_gauge_repair > .htm > > that provides an excellent description of how to fix this problem in similar > Porsche speedometers. Following those recommendations, and with a little > trial and error and adjusting to my VDO speedometer, I managed to repair > mine. Hope what I learned from the process helps any of you: > > 1. Typically, if your odometer doesn't work and your speedometer does, the > problem is caused by resetting the trip mileage counter while driving down > the road instead of while the car is stopped. Doing this time after time > apparently takes its toll on the fit of the odometer "pot-metal gear" on the > odometer drive shaft. No longer snug, it doesn't turn the odometer gears > (though mine actually worked in the cold of last winter but stopped working > soon as it got warmer this spring). > > 2. First step: Disconnect the negative ground of your battery. Then remove > the speedometer. My Jetta has a speedometer cluster that required me to > first pull out all of the dashboard switches and knobs, etc--emergency > blinker button, radio, heater button, etc. All of them snap out or pull but > relatively easily). Then, I removed the dashboard face plate (take out a > bunch of screws and pull out), tipped the speedometer cluster forward, > reached behind it and detached the speedometer cable and the two electrical > connections at the right and left base of the cluster, and by maneuvering > the steering wheel a bit eased the cluster out. This may differ in Vanagons > and other models, but in the Jetta, pulling the speedometer head from the > cluster was mostly a matter of logic, common sense and luck: Start with the > obvious screws on the back of the cluster, then remove the push-and-turn > lock light bulbs, then carefully release the plastic sheet of circuitry > until you can ease the speedometer out. > > 3. The Porsche site mentions not removing the speedometer needle and gauge > face, but in my Jetta VDO speedometer model, there was no backdoor to the > insides and the needle and gauge face had to come off. It's easy to do, just > that you might get into recalibration issues later. But I had no choice. > > 4. Once you're looking at the insides of the speedometer, put scotch tap > across the bare mileage numbers to hold them together during the repair. I > taped them back and front to be sure. Then remove the four screws that hold > the guts to the back of the speedometer unit and pull the insides. > > 5. By now, playing with the gears should give you an idea of how this thing > works. The shaft that runs through the main odometer mileage numbers needs > to be gently tugged out using, in my model, the small red gear on the left > side (front facing you) until the shaft eased out enough to free the > pot-metal gear on the opposite side. That greyish gear should be the > problem. Turning the red gear on the left (the one turned by the gears > coming off the speedometer cable connection and mechanism) doesn't always or > perhaps never turns to pot-metal gear on the right. That's because its > fitting too loose on the shaft. So after removing that metal gear, I > scrapped it some inside the hole that the shaft pushes onto, smoothed some > super glue gel with a toothpick around the inside of the hole and let it > dry. (Gluing the gear directly to the shaft isn't advisable 'cause if any of > the super glue smears elsewhere on the shaft in reassembling, you've just > locked up your odometer.) In order to fit it on the shaft again, I actually > had to scrap some of the dried glue out. But when I did fit it, it went on > with reassuring difficulty and was real snug. I > tested ad retested and there no longer seemed to be a problem. > > 6. Reassemble the shaft and gear into the speedometer mechanism. Remove the > tape from the odometer numbers and make sure they're all lined up. Position > the speedometer face in place to make sure the number sit in the windows > correctly. If they're not in line, adjust them gently by messing with the > little gear lock for the number that needs adjusting). > > 7. Last thing before putting it all back together: Turn the red or lefthand > gear on the odometer shaft with your finger and watch the trip mileage > counter operate as it turns the next mile on the odometer above it. If it's > not flipping the next mile on the odometer at about the 9-tenths going on 0 > marker, you'll need to carefully and gently pop out the tiny little > connecting gear that drives the pot-metal gear you repaired simultaneously > with the main trip mileage counter gear directly below it. Then adjust both > of those bigger gears so that it's working the right way and snap the tiny > connector gear back in. You may have to do this several times because it's > really more luck than skill. Every time you snap the tiny gear back in, it > move the position of both gears it connects to and slightly alters how they > correspond in the number count. > > 8. When done, reverse the order of disassembly and put it all back together. > Reconnect the speedometer cable and all of the electrical connections behind > the speedometer (or cluster) and the dash connections, reconnect your > battery cable, and it should work just fine. If, when you turn the key and > test drive, you notice the annoying OXY warning light is lit up on your dash > (mine was), go to the EDS/OXY sensor box that the speedometer cable connects > through (in some models) and push the Oxy button in with a phillips > screwdriver and that will turn off the warning light. > > Sorry for the long winded description. Had to get it down before I forgot > anything. Hope this helps someone. > > Later-- > Don in Virginia > > ----- Original Message ----- > From: "Frederick M. Wasserstein" <vwvan@CORNHUSKER.NET> > To: <vanagon@GERRY.VANAGON.COM> > Sent: Monday, January 08, 2001 9:41 AM > Subject: Odometer Repair > > > > The other day I was reading about the problem with the odometer breaking > > when the trip reset was hit while moving. There was a great acticle on how > > to repair it, but I can't find it now! > > Fred > > 1982 Vanagon Westy Diesel "Sammy" > > 1984 GMC Suburban Diesel 4 X 4 " The Beast" > >
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