How to Replace Vehicle Speed Sensor 02-06 Nissan Altima L4 2.5L
Difficulty: Intermediate · About 75 min · Nissan Altima
Replace the vehicle-speed sensor on a 2002–2006 Nissan Altima 2.5L by moving the air intake aside, sealing the sensor in its bore, and checking for leaks or warning lights.
Tools you will need
- Gloves
- Flat Blade Screwdriver
- Paper Towels
- 8mm Socket
- 10mm Socket
- Ratchet
- Cloth Rags
- Needle nose pliers
- Pick
Parts and supplies
- Vehicle-speed sensor
Steps
- Move the air-intake duct
Release the breather hose from the intake duct and loosen the clamps at both ends. Remove the duct from the air box and throttle-body connection, keeping dirt out of the intake opening.
- Disconnect and remove the sensor
Unplug the sensor connector and remove its retaining bolt. Work the sensor straight out of the transmission housing with gentle movement, and use a rag to catch any fluid that may seep from the opening.
- Install the replacement sensor
Inspect the new sensor seal, lubricate it only as specified, and seat the sensor fully in its bore. Reinstall the retaining bolt to specification and reconnect the electrical plug until its lock engages.
- Reinstall the intake and verify operation
Refit the intake duct and tighten both clamps, then reconnect the breather hose. Start the engine, check around the sensor for seepage, and confirm the speedometer and warning indicators behave normally.
Check your vehicle’s repair manual for exact specifications and fit.