Date: Mon, 10 Sep 2001 11:00:19 -0400
Subject: Re: Wacky speedometer

you'd have to pull the speedo and know what you're doing, like be an instrument technician type person. these are delicate devices and you'll mess it up if you have a slip of the fingers. what has happened is a fuzz ball (lint) has developed in the mechanical actuator or if it's an electro drivin device several of the windins have shorted on the coil of the meter. i had a similat problem and found the lint. mine was mechanical. i used canned air like you blow out a computer with to clean it. do not try to lubricate the device you'll cause yourself more problems. also that vintage speedo had an inhereint problem with one of the little numbers on the odometer cracking at the shaft. when that happens it will stop clicking miles but the speedo will still work. hope this helps Greg Youngen wrote: > The speedometer in my '86 900 8v (115k mi) is registering ~30-40 mph more > than the actual speed at 65 mph. > > This is the second speedometer in the car (original replaced at 25k mi). > Soon after it turned 100k mi, the speedo needle started bouncing > erratically. It still bounces at low speed and stabilizes above 50 mph. > However it's reading 100-115 mph when I'm actually going 65. > > The odometer is also running fast, though not as much as the speedo might > indicate. It clocks up 20 mi. for every 19 actually driven. > > Any suggestions for fixing this? Is it a sign of impending failure on the > speedo? > ____________________________________________________________________ > Greg Youngen >

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