What is the importance of the Vehicle Speed Sensor (VSS) and its location in Chevrolet Astro and GMC Safari?

The Vehicle Speed Sensor (VSS) informs the Powertrain Control Module (PCM) of vehicle speed and controls the Torque Converter Clutch (TCC). For 1992 and earlier models, the VSS is behind the instrument cluster; for 1993 onwards, it's on the transmission's rear extension. For the former, remove the instrument cluster and then the VSS screw. For the latter, raise the vehicle's rear, disconnect the electrical connector, and remove the retaining bolt to extract the sensor. Installation is the reverse, inspecting the O-ring seal and checking transmission fluid levels.

Genuine Chevrolet Astro Vehicle Speed Sensor

VSS

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5 Vehicle Speed Sensors found

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Chevrolet Astro Sensor Asm,Vehicle Speed
Part Number: 19302667
- Other Name: SENSOR, Speedometer Drive; Vehicle Speed Sensor
- Replaces: 12376520, 88984527
$41.32 MSRP: $81.97
You Save: $40.65 (50%)

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Fits the following Vehicles:
1999-2005 Chevrolet Astro | VAN ASTRO | 6 Cyl 4.3L
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Chevrolet Astro Sensor Assembly, Vehicle Speed
Part Number: 24225896
- Other Name: SENSOR, Speedometer Drive; Speed Sensor, Vehicle Speed Sensor
- Replaces: 10456194, 10456520
$23.81 MSRP: $39.40
You Save: $15.59 (40%)

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Fits the following Vehicles:
1996-2005 Chevrolet Astro | VAN ASTRO | 6 Cyl 4.3L
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Chevrolet Astro Sensor,Speed
Part Number: 15546837
- Other Name: SENSOR, Computer Control Sensors; Vehicle Speed Sensor
$49.64 MSRP: $98.52
You Save: $48.88 (50%)

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More Info
Fits the following Vehicles:
1985-1998 Chevrolet Astro | VAN ASTRO | 4 Cyl 2.5L, 6 Cyl 4.3L
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Chevrolet Astro Sensor Assembly, Vehicle Speed
Part Number: 25007463
- Other Name: SENSOR; Vehicle Speed Sensor
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Fits the following Vehicles:
1985-1986 Chevrolet Astro | VAN ASTRO | 4 Cyl 2.5L, 6 Cyl 4.3L
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Chevrolet Astro Sensor Asm,Vehicle Speed
Part Number: 24232617
- Other Name: SENSOR, Computer Control Sensors; Speed Sensor, Vehicle Speed Sensor
- Replaces: 08673299, 8673299
More Info
Fits the following Vehicles:
1985-1995 Chevrolet Astro | VAN ASTRO | 4 Cyl 2.5L, 6 Cyl 4.3L
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Chevrolet Astro Vehicle Speed Sensor Parts Questions & Answers

Sensor Assembly, Vehicle Speed
24225896
Q: What is the importance of the Vehicle Speed Sensor (VSS) and its location in Chevrolet Astro and GMC Safari?
A: The Vehicle Speed Sensor (VSS) informs the Powertrain Control Module (PCM) of vehicle speed and controls the Torque Converter Clutch (TCC). For 1992 and earlier models, the VSS is behind the instrument cluster; for 1993 onwards, it's on the transmission's rear extension. For the former, remove the instrument cluster and then the VSS screw. For the latter, raise the vehicle's rear, disconnect the electrical connector, and remove the retaining bolt to extract the sensor. Installation is the reverse, inspecting the O-ring seal and checking transmission fluid levels.