VSS location

Tiny
JOHN BURDG
  • MEMBER
  • 1994 GEO PRIZM
  • 1.8L
  • 4 CYL
  • 2WD
  • MANUAL
  • 350,000 MILES
I'm trying to locate the vehicle speed sensor but having a hard time.
Thursday, July 30th, 2020 AT 7:59 PM

7 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,128 POSTS
Hi,

The vehicle speed sensor is located near the starter motor. I attached a pic for you.

Here are the directions for replacement. Pic 2 correlates with the directions.

___________________________________________

1994 Geo Prizm L4-1.8L DOHC
Manual
Vehicle Power-train Management Sensors and Switches - Power-train Management Sensors and Switches - Computers and Control Systems Vehicle Speed Sensor Service and Repair Procedures Transmissions Manual
MANUAL
Remove or Disconnect

1. Negative (-) battery cable.

Vehicle Speed Sensor

See pic 2

2. Vehicle speed sensor (VSS) electrical connector from VSS.

3. One retaining bolt and VSS from trans-axle case.

Inspect

1. VSS driven gear for excessive wear or damage. Replace VSS as necessary.

Install or Connect

1. VSS into trans-axle case; secure with one bolt.

Tighten

Vehicle speed sensor (VSS) bolt to 11 Nm (97 lb. In.).

2. VSS electrical connector to VSS.

3. Negative (-) battery cable.

Tighten

Negative (-) battery cable-to-negative (-) battery terminal retainer to 15 Nm (11 lb. Ft.).

_______________________

Let me know if this helps.

Take care,
Joe
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Thursday, July 30th, 2020 AT 8:09 PM
Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
Hello, I'm Danny.

Here is the information you requested. The VSS is mounted on the trans-axle next to the starter motor CV axle. I've attached a picture below of its location. Hope this helps and thanks for using 2CarPros.
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Thursday, July 30th, 2020 AT 8:11 PM
Tiny
JOHN BURDG
  • MEMBER
  • 4 POSTS
So I should be able to see it from above correct?
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Thursday, July 30th, 2020 AT 8:35 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,128 POSTS
It may be blocked to see from the top by the transmission housing. Let us know if you have other questions.

Joe
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Thursday, July 30th, 2020 AT 8:42 PM
Tiny
JOHN BURDG
  • MEMBER
  • 4 POSTS
So I should locate it through the bottom?
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Thursday, July 30th, 2020 AT 8:44 PM
Tiny
JOHN BURDG
  • MEMBER
  • 4 POSTS
I feel dumb right now, because i'm having such a problem finding it. I have watched videos, Googled pics.
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Thursday, July 30th, 2020 AT 8:46 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,128 POSTS
That is what I would suggest. Note that it will be tight if you don't have it lifted. Keep in mind, the starter is on the left hand side rear of the engine, so the sensor is likely not visable from the top.

Joe
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Thursday, July 30th, 2020 AT 8:48 PM

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