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  #1  
Old 05-24-2013, 08:40 PM
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redlightningsvx redlightningsvx is offline
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Exclamation How to replace small speedo gear

Well installed a new trans in the svx last week and the speedo doesn't work. Found out the small gear is missing teeth seen here.



First you need to remove the wheel and the axle nut.



Then unbolt the ball joint from the hub which is 14mm on both sides of the bolt.



After that punch out the roll pin from the axle and side it over to the left, undo the 14mm bolt locking in the axle plate and spin the circle plate out. Now would be a good time to replace the axle seal if yours is bad.




Then you can inspect your gear and worm gear. If your worm gear is ok then you can be relieved because that one needs the bearing pressed off to replaced. If the small one is damaged take a flathead screwdriver and pry the snap ring off as you wont need it any more because it is IMPOSSIBLE to get back on doing it this way.



So since you cannot get a snap ring back in there I used an E clip instead slightly modified. All I did was get a size smaller than the snap-ring and used a dremmel with a tapered cone end and enlarged it to fit the cone diameter/ground the outside edge slightly. Took pictures after it was installed so I borked that shot.



After that put everything back together and take it for a spin and hopefully your speedometer/odometer works again.
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94' Barcelona Red w/ Tricoat black 2-tone AWD Ls -Sold
Mods:AWD conversion/4.44 swap by Budfreak, Custom red interior lights, Custom Satin black dash, Power mode switch, Cold air intake, Permecool tranny filter,Sony xplode 10" sub, Sony xplode 1000w amp, Blitz in-line driver, DDM Tuning 6000k HID's, New paint job/body work by me, 97' Grill, QC shift kit, 17'' MB Motoring rims, 15&20 min mod, front & rear urethane swaybar bushings, Custom fiberglass sub box, Custom red led a/c control unit, perrin lightweight crank pulley, Black wrinkle finish powdercoated intake manifold w/ clear hoses , 02' outback heated/power black leather seats
Soon to come:Fiberglass hood, upholster ALL suede to black leather
Past subies:

92' Pearl White/black top LS-L-SOLD
96' Legacy Outback-TOTALED
99' Legacy Outback Limited 30th anniversary edition-TOTALED
98' Forester L -Totaled
Other toys:
99' Forester S -WRX brake upgrade, soon an 04 wrx motor swap
06' B9 Tribeca-Stock
1982' Yamaha xj650 Maxim
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  #2  
Old 05-24-2013, 09:20 PM
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Re: How to replace small speedo gear

Awesome write up, thanks! A quick note to add; remember to mark the sun dial/axle seal retainer before removing it and count the number of turns it takes to get it out. It sets the preload on the axle bearing, so getting it back where it came from is important.
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92 Ebony Mica LS-L "A Rolling Restoration": 223,250 KM - Sleeping
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  #3  
Old 05-24-2013, 09:45 PM
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Re: How to replace small speedo gear

That's the right side (passenger) correct?
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  #4  
Old 05-24-2013, 11:41 PM
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Re: How to replace small speedo gear

Yes...............
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94' Barcelona Red w/ Tricoat black 2-tone AWD Ls -Sold
Mods:AWD conversion/4.44 swap by Budfreak, Custom red interior lights, Custom Satin black dash, Power mode switch, Cold air intake, Permecool tranny filter,Sony xplode 10" sub, Sony xplode 1000w amp, Blitz in-line driver, DDM Tuning 6000k HID's, New paint job/body work by me, 97' Grill, QC shift kit, 17'' MB Motoring rims, 15&20 min mod, front & rear urethane swaybar bushings, Custom fiberglass sub box, Custom red led a/c control unit, perrin lightweight crank pulley, Black wrinkle finish powdercoated intake manifold w/ clear hoses , 02' outback heated/power black leather seats
Soon to come:Fiberglass hood, upholster ALL suede to black leather
Past subies:

92' Pearl White/black top LS-L-SOLD
96' Legacy Outback-TOTALED
99' Legacy Outback Limited 30th anniversary edition-TOTALED
98' Forester L -Totaled
Other toys:
99' Forester S -WRX brake upgrade, soon an 04 wrx motor swap
06' B9 Tribeca-Stock
1982' Yamaha xj650 Maxim
Mods:
work in progress
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  #5  
Old 05-25-2013, 09:54 AM
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Re: How to replace small speedo gear

I was told this wasn't possible :<

$500 and a tranny pull later...

Great write up too, btw it's hard to tell through the gloves. Is that your nail polish in the first pic?
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92 Pearl White Ls-l (138k) Euro Headlights & Blinkers, 97 Grill, Euro Tail Lights, SS Brake Lines, Stebro Exhaust, Slotted Rotors, Classic Registration
96 Legacy Outback (206k) 5-speed 2.2 Lightweight Crank Pulley, Group N Trans & Motor Mounts SOLD
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Last edited by michael; 05-25-2013 at 09:57 AM.
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  #6  
Old 05-25-2013, 07:06 PM
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redlightningsvx redlightningsvx is offline
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Re: How to replace small speedo gear

No its the wifes nail polish. And technically this isnt possible the correct way which is to pull and split the case. Its a tight fit and if you got a small enough finger you can squeeze it beside the bearing, took a couple of trys getting the gear back on but it will go on so be patient. I also forgot to mention I pulled the exhaust off for more room but its optional.
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Seth
94' Barcelona Red w/ Tricoat black 2-tone AWD Ls -Sold
Mods:AWD conversion/4.44 swap by Budfreak, Custom red interior lights, Custom Satin black dash, Power mode switch, Cold air intake, Permecool tranny filter,Sony xplode 10" sub, Sony xplode 1000w amp, Blitz in-line driver, DDM Tuning 6000k HID's, New paint job/body work by me, 97' Grill, QC shift kit, 17'' MB Motoring rims, 15&20 min mod, front & rear urethane swaybar bushings, Custom fiberglass sub box, Custom red led a/c control unit, perrin lightweight crank pulley, Black wrinkle finish powdercoated intake manifold w/ clear hoses , 02' outback heated/power black leather seats
Soon to come:Fiberglass hood, upholster ALL suede to black leather
Past subies:

92' Pearl White/black top LS-L-SOLD
96' Legacy Outback-TOTALED
99' Legacy Outback Limited 30th anniversary edition-TOTALED
98' Forester L -Totaled
Other toys:
99' Forester S -WRX brake upgrade, soon an 04 wrx motor swap
06' B9 Tribeca-Stock
1982' Yamaha xj650 Maxim
Mods:
work in progress
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  #7  
Old 05-26-2013, 11:59 AM
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Re: How to replace small speedo gear

My speedo works 99.9% of the time but once every rare while it will drop to zero for a second and then bounce right back again. I hope this little gear isn't the issue because that looks like a real *****.
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1996 Polo Green Subaru SVX LSi, 168,XXX miles, Redline D4 ATF, Redline 75W90 gear oil, K&N HP-4001 Oil Filter, Mobil 1 5W50 FS (3qt) and 5W30 High Mileage (4qt) Oil Blend, Motul RBF600 Brake Fluid, AC Delco A975C Air Filter, NGK BKR6EIX-11 plugs, Centric Rotors, Power Stop Evolution Carbon Fiber Ceramic Brake Pads
2005 Gray Acura RL, 165,XXX miles, Redline D4 ATF with Lubegard Platinum Protectant, Mobil 1 5W20 High Mileage Extended Performance Oil
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  #8  
Old 05-26-2013, 12:23 PM
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Re: How to replace small speedo gear

A few years after I had the gear replaced, I developed a similar symptom. A quick cleaning of the speed sensor fixed it. The lubricating grease had become thick and sticky.
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92 Pearl White Ls-l (138k) Euro Headlights & Blinkers, 97 Grill, Euro Tail Lights, SS Brake Lines, Stebro Exhaust, Slotted Rotors, Classic Registration
96 Legacy Outback (206k) 5-speed 2.2 Lightweight Crank Pulley, Group N Trans & Motor Mounts SOLD
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  #9  
Old 05-26-2013, 01:00 PM
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redlightningsvx redlightningsvx is offline
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Re: How to replace small speedo gear

I also replaced the grease in the speed sensor also as mine was like syrup.
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94' Barcelona Red w/ Tricoat black 2-tone AWD Ls -Sold
Mods:AWD conversion/4.44 swap by Budfreak, Custom red interior lights, Custom Satin black dash, Power mode switch, Cold air intake, Permecool tranny filter,Sony xplode 10" sub, Sony xplode 1000w amp, Blitz in-line driver, DDM Tuning 6000k HID's, New paint job/body work by me, 97' Grill, QC shift kit, 17'' MB Motoring rims, 15&20 min mod, front & rear urethane swaybar bushings, Custom fiberglass sub box, Custom red led a/c control unit, perrin lightweight crank pulley, Black wrinkle finish powdercoated intake manifold w/ clear hoses , 02' outback heated/power black leather seats
Soon to come:Fiberglass hood, upholster ALL suede to black leather
Past subies:

92' Pearl White/black top LS-L-SOLD
96' Legacy Outback-TOTALED
99' Legacy Outback Limited 30th anniversary edition-TOTALED
98' Forester L -Totaled
Other toys:
99' Forester S -WRX brake upgrade, soon an 04 wrx motor swap
06' B9 Tribeca-Stock
1982' Yamaha xj650 Maxim
Mods:
work in progress
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  #10  
Old 05-26-2013, 03:12 PM
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Huskymaniac Huskymaniac is offline
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Re: How to replace small speedo gear

Whereabouts would this thick and sticky sensor be?
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Tony

1996 Polo Green Subaru SVX LSi, 168,XXX miles, Redline D4 ATF, Redline 75W90 gear oil, K&N HP-4001 Oil Filter, Mobil 1 5W50 FS (3qt) and 5W30 High Mileage (4qt) Oil Blend, Motul RBF600 Brake Fluid, AC Delco A975C Air Filter, NGK BKR6EIX-11 plugs, Centric Rotors, Power Stop Evolution Carbon Fiber Ceramic Brake Pads
2005 Gray Acura RL, 165,XXX miles, Redline D4 ATF with Lubegard Platinum Protectant, Mobil 1 5W20 High Mileage Extended Performance Oil
2009 Red Toyota Venza, 123,XXX, Mobil 1 5W30 High Mileage Oil
1992 Red Ferrari 348 ts, 82,XXX, Redline everything
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  #11  
Old 05-26-2013, 03:26 PM
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redlightningsvx redlightningsvx is offline
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Re: How to replace small speedo gear

The speed sensor by the diff dipstick. Unbolt it with a 17mm wrench, theres a shaft that is inside it and the grease gets dirty and dry.
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Seth
94' Barcelona Red w/ Tricoat black 2-tone AWD Ls -Sold
Mods:AWD conversion/4.44 swap by Budfreak, Custom red interior lights, Custom Satin black dash, Power mode switch, Cold air intake, Permecool tranny filter,Sony xplode 10" sub, Sony xplode 1000w amp, Blitz in-line driver, DDM Tuning 6000k HID's, New paint job/body work by me, 97' Grill, QC shift kit, 17'' MB Motoring rims, 15&20 min mod, front & rear urethane swaybar bushings, Custom fiberglass sub box, Custom red led a/c control unit, perrin lightweight crank pulley, Black wrinkle finish powdercoated intake manifold w/ clear hoses , 02' outback heated/power black leather seats
Soon to come:Fiberglass hood, upholster ALL suede to black leather
Past subies:

92' Pearl White/black top LS-L-SOLD
96' Legacy Outback-TOTALED
99' Legacy Outback Limited 30th anniversary edition-TOTALED
98' Forester L -Totaled
Other toys:
99' Forester S -WRX brake upgrade, soon an 04 wrx motor swap
06' B9 Tribeca-Stock
1982' Yamaha xj650 Maxim
Mods:
work in progress
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  #12  
Old 05-27-2013, 11:00 AM
1986nate 1986nate is offline
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Re: How to replace small speedo gear

Quote:
Originally Posted by Huskymaniac View Post
My speedo works 99.9% of the time but once every rare while it will drop to zero for a second and then bounce right back again. I hope this little gear isn't the issue because that looks like a real *****.
No, this is an electronic signal problem.
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