at the rear of the engine is the transmission. the sensor is on the transmission near where the driveshaft goes in. it is on the top of the differential housing just a few inches from the passenger side drviveboot.
where is speedometer sensor on 2004 avalanche
A 2004 Buick does not have a speedometer cable. The speedometer signal comes from electronic sensors.
how do you replace a 2004 buick rendezvous input speed sensor
You have to replace the instrument cluster in most cases.
Under the powersteering
Do you have check engine light? If not you have an electrical problem within the speedometer assembly.
It is probably the speed sensor. It is located on the transmission and sends an electrical signal to the speedometer.
Vehicle Speed sensor disconnected
Sensor is likely bad
Stepper motor for speedometer has a broken gear in it, causing unpredictable operation. If the odometer is still working, then the speed sensor is OK. Instrument cluster needs repair.
Replace your speedometer sensor. I just had mine replaced in my '04 Impala. The sensor tells the tranny when to shift. It's located right in front of the transmission.
Go to your local LORDCO auto or a PICK & PULL.