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07-24-2004, 05:57 PM | #1 |
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Location: NYC
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bouncing/squeeking speedo
replaced speedo cable to try and solve my problem. speedo bounces much more at 20mph now but does not bounce as much as it used to at 30+mph. lets see if the annoying squeeking comes back.......so far so good.........
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1990 GT,stock T-5,K&N w/o air silencer,March underdrives,FMS wires,timing@14*,PA Perf 130amp alt,Steeda Tri-Ax Shifter,Steeda adj quadrant/clutch cable/firewall adj,Centerforce II clutch,o/r x-pipe,Magnaflow SS catback,g-load brace, subframes,Bilstein struts/shocks,Autometer gauges, 136k and running strong! |
07-25-2004, 01:55 PM | #2 |
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Have you checked the condition of the speedo gear (driven)? If you have 3:73 or "lower" gears, changing the drive gear in the transmission is only way to get accurate speedo measurements and prevent your gear form getting chewed up.
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-1993 Mustang, 900rwhp 03-04 cobra based 4v swap, full Griggs setup, project underway -1994 Ranger w/ 427cid windsor (daily beater) check it out! |
07-25-2004, 05:33 PM | #3 |
Mizzou Tigers
Join Date: Apr 1999
Location: weston, MO United States
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When I had my white face gauges installed the guy doing them said that the bouncing needle is caused by a bent frame that the needle sits on. He fixed mine at the time, but it now bounces again.
I don't exactly get how a bent frame would cause that, especially because it only happens at certain speeds, but that is what I was told is the cause.
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2006 Mustang GT 1990 LX GT-40 motor 262 horsepower, 307ft-lbs (sold but forever loved) 1998 Contour SVT Rice Haters Club Member #244 |
07-25-2004, 09:18 PM | #4 |
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I always thought that was the norm with our older fox bodies my needle bounces until about 20mph and I also have 3:73's but didnt change anything else so my speedo it about 10-15mph off
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07-25-2004, 11:31 PM | #5 |
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i had the bouncy speedo prob my mechanic friend said the speedo was shot so i went to the junk yard and got a gauge cluster, swapped them and he was right now i just have the whole unknown mileage issue to contend with if i ever try to sell it
i did keep the original gauge cluster and wrote down how many miles were on the new one when i installed it hopefully that wil l sufice should i ever need to sell it if not though who cares what the dial reads im gonna say its not the cable or the gear though your gonna need the gauge wether you get a new one from ford (expensive) or if you go the route i did
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07-25-2004, 11:46 PM | #6 |
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Cable needs lubed. I have a speedo grease fitting that you screw on the end of the cable by unscrewing from the transmission then screwing this adapter on. I usually grease mine when it starts making noise or every 3 years. I purchased it from a Corvette vendor because I need it for its speedometer and mechanical tach drive or my needles are bouncing every direction and the noise is a sonic roar.
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07-26-2004, 10:53 AM | #7 |
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new speedo cable lubed at installation, so lube is not the problem. i have stock gears and tire size, car was never beaten/raced, i don't think the speedo gear is suspect. it bounces at around 20mph, then its pretty solid after that. its obviously the speedo gauge itself, stupid ford. but the squeeking has not come back yet.......i'll keep crossing my fingers..........
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1990 GT,stock T-5,K&N w/o air silencer,March underdrives,FMS wires,timing@14*,PA Perf 130amp alt,Steeda Tri-Ax Shifter,Steeda adj quadrant/clutch cable/firewall adj,Centerforce II clutch,o/r x-pipe,Magnaflow SS catback,g-load brace, subframes,Bilstein struts/shocks,Autometer gauges, 136k and running strong! |
07-26-2004, 01:28 PM | #8 |
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Location: Rochester
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my gt does that when its colder out.. very annoying. its the cable.. needs lube, better off replacing it.
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07-26-2004, 01:58 PM | #9 | |
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Quote:
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1990 GT,stock T-5,K&N w/o air silencer,March underdrives,FMS wires,timing@14*,PA Perf 130amp alt,Steeda Tri-Ax Shifter,Steeda adj quadrant/clutch cable/firewall adj,Centerforce II clutch,o/r x-pipe,Magnaflow SS catback,g-load brace, subframes,Bilstein struts/shocks,Autometer gauges, 136k and running strong! |
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07-26-2004, 02:29 PM | #10 |
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Location: Rochester
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hmm, the cable is the most common cause. well if the cable didn't solve it then its either:
A. the gauge ( speedo ) B. the Gear on the trans. If the gauge is bad, ebay is the best place to get a entire used cluster for under 50 bucks. Gears are cheap. I would take it out and look at it for damage. |
07-26-2004, 05:57 PM | #11 | |
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Quote:
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Tom (Torque) Moss 88Gt 5spd Vert, FLowmaster Catbacks, stock cam advanced 4° @ 108.5° ICL, NMRA prepped GT40P heads 1.85/1.55 valves and 1.7 rockers, MAC P headers Jet-Hot coated, 97 Exlporer intake (ported lower), TB and injectors. 277RWHP/330RWTQ (SAE). http://www.fastlanecars.com/ |
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07-30-2004, 03:33 PM | #12 |
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Location: virginia
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gauge
if you replaced the cable it is the gauge. some bounce will be there due to different gears but not that bad.
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07-31-2004, 05:41 PM | #13 |
Mizzou Tigers
Join Date: Apr 1999
Location: weston, MO United States
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Go back to my first post in this thread....it is quite likely that the housing for the unit is bent.
This would not cause the squeaking, but the bouncing needle is a result of this, so I've been told.
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2006 Mustang GT 1990 LX GT-40 motor 262 horsepower, 307ft-lbs (sold but forever loved) 1998 Contour SVT Rice Haters Club Member #244 |
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