1993 GMC SIERRA fuel cap release

2. Unplug the Shut-Off solenoid wire from the fuel pump to prevent the
engine from starting.
3. With the air bleed valve open, turn your ignition key to Start for 10 to
15 seconds to crank (but not start) your engine. Keep doing this until
you can just see some clear fuel at the air bleed valve.
I A Diesel fuel is flammable. It could start a fire if it gets on hot engine
b parts. You could be burned. Don’t let too much fuel flow from the air
bleed valve or screw, and wipe up any spilled fuel with a cloth.
4. Close the air bleed valve, or replace the screw and reconnect \
the
Shut-Off solenoid wire.
5. Turn the ignition key to Start for 10 to 15 seconds at a time until your
engine starts.
Fuel Filter Replacement (6.5L Diesel Engines)
If you want to change the fuel filter yourself, here’s how \
to do it:
1 CAUTION
A Diesel fuel is flammable. It could start a fire if something ignites it,
-L and you could be burned. Don’t let it get on hot .engine parts, and
I keep matches or other ignition sources away.
1. Turn off your engine and set your parking brake.
2. Take off the fuel tank cap. This releases pressure in the tank.
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Service & Appearance Care
To remove the filter:
1. Turn off your engine and set your parking brake.
2. Take off the fuel tank cap. This releases pressure in the tank.
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3. The filter is behind the air cleaner on the intake manifold. Using a
4. If there is any dirt on the fuel port seal of the filter adapter, clean \
it off.
5. Snap the new filter into position with the bail wires.
screwdriver, separate both bail wires. Take out the filter.
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I CAUTION
* If you get gasoline on you and then something ignites it, you co\
uld
1 be badly burned. Gasoline can spray out on you if you open the fuel
filler cap too quickly. This spray can happen
if your tank is nearly
full, and is more likely in hot weather. Open the fuel filler\
cap slowly and wait for any "hiss" noise
to stop.
I Then unscrew the cap all the way. I
When you put the cap back on, turn it tc "le :clo-'hise) until you hear
a clicking noise.
I NOTICE
~f you need a new cap, be sure to get the right type. Your dealer can get 1
me for you. If you get the wrong type, it may not fit or -have proper
denting, and your fuel tank and emissions system might be damaged.
Checking Things Under the Hood
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Hood Release
To open the hood, first pull the handle inside the vehicle. Then \
go to the
front of the vehicle and pull up on the secondary hood release. Lift t\
he hood.
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