There are many sending units in that vehicle, need to know which one you are trying to replace.
how do you replace the fuel sending unit
The fuel tank has to be removed to gain access to the fuel sending unit. The fuel sending unit and the fuel pump is replaced as a unit.
If you suspect the sending unit may be faulty just replace it with a new one, they are not expensive but a little difficult to remove and replace.
In the fuel tank. Fuel tank must be removed to gain access to the sending unit.
In the fuel tank. The fuel tank needs to be removed to gain access to the sending unit.
Next to the thermostat housing.
check your fuel sending unit...if its loud and noisy you may want to replace it.
Assuming you mean the engine coolant temperature sending unit, we need to know what engine it has, it makes a difference.
you have to drop the fuel tank and remove the sending unit from the tank and replace fuel pump or wholse sending unit depending on if the pump is sold seperately from the sending unit and as well i suggest you get the book on your vehicle from local parts place because u are dealing with gas and gas vapor
With a 4.3L engine, the oil pressure sending unit is in the back of the engine just to the drivers side of the distributor.
The fuel pump is located in the fuel tank. From 1995-96 and up you have to replace the entire sending unit, cost is roughly $300.
A 2002 S10 Blazer doesn't have throttle body injection (tbi).