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itzikbns
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SEP 18, 03:51 AM
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Hi there,
I have an 86 SE 2.8, 4 speed manual, I am looking for the speed sensor plastic gear, I probably dropped it inside the gear when pulled out the VSS, buying a new one is no where to be found... any ideas?
if I wount be able to buy it, I would probably need to disassemble the transmission case and I am terrified to do it....
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82-T/A [At Work]
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SEP 18, 06:01 AM
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| quote | Originally posted by itzikbns:
Hi there,
I have an 86 SE 2.8, 4 speed manual, I am looking for the speed sensor plastic gear, I probably dropped it inside the gear when pulled out the VSS, buying a new one is no where to be found... any ideas?
if I wount be able to buy it, I would probably need to disassemble the transmission case and I am terrified to do it.... |
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If you can... buy one of those telescopic cameras that allow you to see inside on a flexible shaft. That way you can see for sure whether or not the gear is actually in the transmission or not. If it is, you'll want to get it out regardless since it can cause damage to the transmission parts if it's allowed to get ground up (so to speak).
They're really hard to find if you need to buy a replacement. But you can likely get one from a used parts supplier... like the Fiero Factory, Fiero Farm, or one of those places.
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cartercarbaficionado
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SEP 18, 07:52 AM
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| quote | Originally posted by itzikbns:
Hi there,
I have an 86 SE 2.8, 4 speed manual, I am looking for the speed sensor plastic gear, I probably dropped it inside the gear when pulled out the VSS, buying a new one is no where to be found... any ideas?
if I wount be able to buy it, I would probably need to disassemble the transmission case and I am terrified to do it.... |
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the transmission is extremely easy to take apart. I just rebuilt 2 plus a few getrags for a local fiero clubs warehouse.
there's a guide in the manual and a few videos I suggest finding a few but do try to retrieve the gear with a flexible claw grabber first
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Vintage-Nut
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SEP 18, 09:20 AM
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SENSOR; Vehicle Speed Sensor
GM Part Interchangeable Numbers (discontinued)
25007336
25007316
The VSS gear color can vary based on the tire size
| quote | Originally posted by fierosound:
VSS speedo gears by tires sizes from the Fiero P22 parts manual. Pages 1-5 4.337 Group.
MG2 Muncie/Getrag 5-speed transmissions will have a NATURAL (tan) 35 tooth drive gear.
The smaller VSS speedo gear will be:
RED 29 tooth - tires sizes P185/80R13, P185/75R14, P195/70R14, P215/60R15
PURPLE 30 tooth - tires sizes P215/60R14
M17 Muncie 4-speed transmissions will have a NATURAL (tan) 35 tooth drive gear.
The smaller VSS speedo gear will be:
RED 29 tooth - tires sizes P185/80R13, P185/75R14, P195/70R14, P215/60R15
PURPLE 30 tooth - tires sizes P215/60R14
MT2 Isuzu (?) 5-speed transmissions will have a 35 tooth drive gear (color unknown).
The smaller VSS speedo gear will be:
RED 29 tooth - tires sizes P185/80R13, P185/75R14, P195/70R14, P215/60R15
PURPLE 30 tooth - tires sizes P215/60R14 |
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------------------
Original Owner of a Silver '88 GT
Under 'Production Refurbishment' @ 136k Miles
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itzikbns
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SEP 18, 09:51 AM
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| quote | Originally posted by Vintage-Nut:
SENSOR; Vehicle Speed Sensor
GM Part Interchangeable Numbers (discontinued)
25007336
25007316
The VSS gear color can vary based on the tire size
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Thanks, in what case would I need the
NATURAL (tan)? and when would I need the small one?
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Itzik
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