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Chevrolet Suburban 2500 Questions

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you can feel it drop in but don't move
I need to buy an actuator and gear for the defrost blend door. What part numbers and how do I do it?
Thanks
Is this engine fuel injected?
transmission wants to slip periodically
fuel pump is good every couple days its starts surging in park it work little better always plenty of gas never dies when cold cathlya cconverter egr 0nly 100,000 miles old wash state prison truck maybe old booty in gas tank starts
My 02 Suburban has a buzz/hum when i take off from a stop and @2500-3000 rpm. It has 111000 miles on it. A buddy if my said it may be the cats but it sounds metal-on-metal.

So any advice would help, thanks.
am mech have own shop been at this for days
I bought the truck used and the DIC does not work, checked for dtcs and none were found except for the auto ride, maybe some one disconected the lamp? Lamp burned out? all the gauges work and the truck runs great!
INSTALLED A NEW TRANSFER CASE AND THE CODE THAT COMES UP IS CO306-MOTOR A/B CIRC MALFUNCTION. CO 321 T/C LOCK CIRC FAULT .... AND CO 327 ENCODER CIRCUIT MALFUNTION. THE SUV JUMPS AND HOPS ALMOST AS IF THERE ARE DIFFERENT SIZE TIRES OR THE WRONG GEAR RATIO IN IT . USEING THE SCANNER TO ACTIVATE THE 4X4 SWITH EVERTHING APEARS TO TO FUNTION PROPER. THE TRANSFER CASE OUTPUT SPEEDS ON THE HOIST RUN ALMOST PAR. WHEN YOU GO FOR A DRIVE ON THE PAVEMENT THE REAR READS 1080 AT 40 KM AND THE FRONT READS 850 AND HOPS AND JUMPS . ANY HELP FOR AN AREA TO LOOK AT OR IF ANYONE HAS HAD A SIMILAR SITUATION WOULD BE GREATLY APREACATED. THANKS FOR THE TIME.
It is in the lock position and won't turn to the start position, so i can't push the release pin
i have replaced the pmd 3 times still shuts down could it be the lift pump? i also know it could be the oil sending sending unit.
We have already diagnosed the truck with starting fluid Ignition works but immediately quits. Incidentally no headlight power to the main switch? ODB port also has no power, I suspect it is through a power circuit short or relay problem but i also suspect the shifter itself, i tried finding neutral in it and turning motor but wont engage started. There seems to be excessive play in the shifter on the tree... 2-3" in park, i havent driven or worked on a chevy of its like since 2000 since then ive stuck to 1990-1993 fords with straight six's any inpuit would be appreciated
solo lo hace cuando llueve y la camioneta se moja al otro dia no arranca y si llueve todo el dia pues no arranca mientras no se moje funciona normalmente pasan dias o meses sin llover y la camioneta no falla espero pudieran orientarme que hacer gracias.
I have a 1993 Chevy Suburban 2500 that has a bad ECM module and it has been 3 weeks now but not fixed so how much time should it take to fix/replace and how much should it cost me.
It will run in 3 but it seems to stuggle. If you start out in overdrive it goes through the gears until it is ready to shift into Overdrive and then just doesn't!
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