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Greatly appreciated, thank you and it's hard to shift into gear

I put gas in it a few gallons I don't know whether as much fuel pump relay or a bad fuel pump or just air pockets in my line

Got the "service 4wd" light, the lights on the switch wouldn't work, also stuck in 2wd. I replaced the fuse, the actuator, and disconnected the battery to try and reset it. The switch still won't work, and still stuck in 2. Probably just need a new switch too? Kinda broke tho and don't want to drop $$ for a switch if it is something else.

i cannot find out definitely if i can use platinium replacement spark plugs in my 2004 gmc sierra 1500 5.3L engine. is it ok to use platinium plugs as opposed to iridium?

I put in a motor, but it doesn't want to start by itself, I did get it started by passing it thru the fuse box in the engine compartment

Super easy without any pressure

Mine didn't. Now what can I do or what are my options

Did I do something wrong or is that I need to start it up to get the hydraulic fluid flowing

I know that the tensioner only goes in one way

Is there something I have to replace to make the belt fit

Into a 2001 GMC 1500

My truck doesn't have a 4.3 vortex but the blazer does

Transmission will not catch gears

i have to kill the ignition to get them to come back on. Also wwhen i engage the window switch or turn on the rear defroster it does the same thing even kills the radio. when i bought the truck it had an after market alarm without a remote so i removed it

We have replaced numerous things that were expensive and we were left stranded with no vehicle due to this ongoing issue. I read about everyone complaining on different forums about being stranded and unable to use the vehicle because we refuse to go to a GM dealership and pay over 500 to 1500 dollars to fix an issue GM should have recalled for all of us. I've been stranded with 3 kids on the side of Highway 70 in St. Louis MO in 4 degree whether. Mind you they are all10 and under, and our family is in Illinois. I have had issues with the passlock system approximately 100 times or more. Resetting it only works for so long. GM better step up and fix this!

4.3 - Ever since i replaced my heater core the truck has been hard to start - kills the battery - let it sit for 4 hours or more and if fires right up- drive up the street and back - park it - go back to leave again and it will not start - also, once i get it started i will just let it run in the driveway and after 5 to 10 min it just dies -i have changed plugs, wires, ignitor assembly - I did a fuel pressure test and it read about 56 psi

My truck starts just fine it will shake a decent amount while in neutral, when it shifts gears(automatic transmission) it will shift really bad like it doesn't want to almost like its slipping, when changing from drive to reverse as well it will start shaking more i think due to the lower speeds. No other obvious things to look at though.

I have an annoying lower dash rattle, I believe its coming from the panel below the steering wheel Is this easy to take off?

Or dealer assist on repairs.

anybody else notice this?

New plugs wires air filter oil change oil filter. Cleaned throttle body and replaced gasket 3 weeks ago. Had a rough idle before tune up and still does. Fuel filter was changed about 6 months ago. Why will truck not stay running.

The coils aren't firing at all, everything else working including fuel pump, replaced crank sensor, and cam sensor too. Lost. No codes coming up, all grounds checked

when driving my anti theft light comes on and shuts off all my gauges of but the battery gauge and turns off the ac it still blows air and drives fine what could be causing this???

clicking noise from under dash. could be a actuator in heat a/c system. can I fix this?

It is going back and forth between red and green... Still blowing warm air... Should I dump Freon and start from scratch??
Please help it's a challenge working out of this truck in one hundred degree heat..ANY info greatly appreciated

Replaced fuel pump and still won;t start.

I lost my power brakes and power steering why would that happen

From Day one (8/15/05) my Selector switch has given me problems. 2 switches, software update, TCCM replacement (warranty finally) and now I'm being told that my transfer case needs to be completely replaced!!! I'm done! This has been the only consistent issue with this truck and GM will not acknowledge the issue. HD's and Diesels do not have this issue, I have asked anyone and everyone who i see that has this style of truck. Looks on the Silverado 1500 page with this issue and its crazy!!!

my daughter has a 2000 gmc sierra 1500 4.8 ltr 4x4 . at first start up engine has a knock sound for 2-3 min then is gone for the day. No check engine light visible doesnt burn oil tune up piugs/wires with in 3 mos. . sounds lower end noise not top end. what do i check and how. is it a knock sensor possibly?

I live in s.Fl. Which is the kicker