20 Most Recent 1996 GMC Suburban - Page 4 Questions & Answers

get your self a fuel pressure tester, hook it up to the fuel rail, you should get at least 30 psi with key on, 30 to 45 psi with engine running.

check the brake light switch behind brake pedal. it could need adjustment or its bad.so when you put foot on brake it makes no contact to turn on brake lights. good-day !

one of the blinker lights is out or not the correct bulb

do u have a keyless entry ?

There could be play in the steering box, but it is more likely to be worn/loose steering components (ball joints, tie-rod ends, etc.). Check the joint in the steering column for play as well.

SOUND LIKE ALTERNATOR NOT CHARGING BATTERY,WITH ENGINE RUNNING CHECK BATTERY VOLTS AT BATTERY SHOULD BE 13.5 - 14.5 VOLTS.IF NOT ALTERNATOR NOT WORKING CHECK ALTERNATOR BATTERY POWER FEED WIRE AND VOLTAGE REGULATOR WIRES FOR DAMAGE AND LOOSE CONNECTION. CHECK ALTERNATOR FUSE.BEFORE REMOVING ALTERNATOR.TURN OFF RADIO FIRST BEFORE REMOVING THE NEGATIVE BATTERY TO KEEP FROM LOCKING OUT RADIO.

I doubt your timing is off unless you have pulled your distributor. the computer controls the timing. There is a camshaft sensor in the bottom of the distributor that you will need a Tech II scanner to read and adjust the distributor setting. Normally the distributor being moved does not create driveablility issues.

Hello: You could have one of two problems: Either you have a intermittent passkey lock cylinder or a worn our ignition switch. You might go to Auto Zone and have the system checked for codes, If its a passlock problem there should be codes. I would think it might be the ignition switch if the truck quits running. Due to age and mileage it could be both.

Clogged catalytic converter. My brother actually had one explode under the vehicle
after fuel built up in it. You could try unhooking it ahead of the catalytic converter to
test.

check for vacuum leaks at throttle body gasket. pvc valve stuck open.if all is good .change fuel filter .if still stall out check fuel pump pressure.if all is good .replace plugs and wires if they have not been changed.

i would check the fuses, normally when a person pushes the button in, the light indicator comes on to let you know what postion the 4/4 is in.

Most likely the fuel pump is on its way out . It is probably a little loud too. Glad you made it home.

the gas filter is located under the truck on the frame rail (driver`s side) You need a 5/8 line wrench for the gas lines, along with a 13/16 or 21mm wrench for the gas filter. Hold either wrench and turn counter clock-wise. You may have to soak the filter and lines with penatrating oil to loosen it up. Make sure you where saftey glasses and don`t even think about smoking..
As for draining the tank, that is more difficult-you will have to drop the gas tank and tank support straps. Not something you want to do at home.A lift hoist will be more safer and the proper way of removing the gas tank. If you are draining the gas because it`s old, I would just run it through with fresh gas added. this will save you fustration..Or to drop the tank-go see your repair shop for this service. Remember gas is very dangerous and expensive too, if you don`t know what your doing.-leave it to us pro`s to do the job right the first time. I guarantee the lines , straps, and filter will be very rusted, and will give the mechanic some difficulty preforming this repair due to the age of your truck...