Sometimes if you take your serial number from your truck into a GM or Chevy dealership they can make you a new key for your truck. It might cost a little but it is cheaper than changing your key barrels.
Inside the transmission
The engine type will vary from truck sonoma to sonoma, some may have a 1.9L, 2.0L, 2.2L, or 2.5L I4, or 2.8L, 4.3L, 4.3L Vortec V6.
WSM William Sonoma Brands
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The sensor is down on the front of the oil pan just behind the crankshaft pully, which is located at the front of the engine.
Replace the slave cylinder.
How hard would it be to replace oil pan on 1996 Sonoma?
buy the haynes repair manual its like 25 bucks and it will give you anything you ever need to know about your truck
Inside the transmission
Inside the tranny
Under
what are the torque specs for a head on a 2.2 liter gmc sonoma
replace spark plug wires on a 99 sonoma
Where is the blend door actuator on a 1998 Sonoma
You will have to drop the fuel tank to replace it.
It is a big job. You must drop the transmission. Then you slide the slave valve off the transmission input shaft. While you are there spend the money and go ahead and replace the clutch if it is really old.
You must remove the fuel tank or disconnect the bed and slide it back enough to access the pump, your choice.