Chevrolet Express 3500 Questions

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Depending on how long the vehicle has sat will start and run a driven it up to morals and then stalls out. Is allowed to sit four. Of time will start right back up again run for a few seconds and stall out. Fuel pump is running vehicle will run very well when it does new fuel filter has been installed would like to know where to go now.
I have a 2000 Chevy Express 3500 LS 15 passenger van with 7.4l

Van has Front and Rear zone control for HVAC

I've had the van for a little over a year and purchased from a good friend with 87k. Front air blew cold all last year,
but noticed that defrost didn't seem to de-fog the windows over the winter. Now I know why. The front vents blow luke warm air. The rear controls function as they should and blow cold.

When I only have the front A/C turned on the compressor cycles on/off and the system blows warm. As soon as i turn on rear A/C the compressor turns on and runs as it should. Front vents remain warm.

I found what I believe is the hose that hooks to the canister. It has an 'L' connector (not T per posts) and seems to sit snug. Would the rear A/C function if this had a leak? Are they tied together.

I haven't had the opportunity to search for the 'blend door' and noted that this may also be the issue.

A follow up question: Are there 2-closed systems with refrigerant?

one GM dealership told me it was unsafe and would damage my engine, so I paid another GM dealership to change oil again today to AcDelco 5w30 Dexos full synthetic oil. I had valvoline change it on March 8, 2018and Gm March 14, 2018.

I always used GM but they were busy and I really needed oil change
We have had a continuing problem with our G4500 Express cutaways in that we cannot seem to get rid of a hard pull to the right. We have installed new wheels, tires, steering box, tie rod ends, springs all to no avail. Have checked the frame and it is true. A specialty shop has performed the alignment directly to specs. Still pulls. Anyone else experience the same issue and find a fix?
Just noticed a small green light on the light switch. Should this be on? What is it's purpose?
I cleaned the interior of van using a lot of water then the problem immediately occured. Everything was working fine until this cleaning.
i changed the fuel pump in my 2015 chevy express 3500 now i dont have any power to my fuse box what would cause that
Nothing. Fan control dial has nothing. Replaced everything with new, still nothing. What am I missing
arrow lights on dash working and you can hear flasher. truck is a 4500 cuttaway
engine cut off when ran through water puddles in road and wont start up will crank but wont run
I replaced the 20 amp fuse but the auxiliary power still does not work
Well i have no overdrive
I purchased a 2015 Chevrolet Express Van 3500 with 30k miles approx 6 months ago. I also purchased a 100,000 mile bumper to bumper limited warranty through the dealer. The RR bulb blew out the first time a few months after I purchased the van and after the Mfgr. Warranty expired (of course). I replaced the bulb with a brand new bulb and it still did not work. My wife took it to a local shop and paid $45 for the guy to replace a perfectly good bulb. He supposedly cleaned up the light bulb base and it worked. For 2 days. I then decided to report it to the dealer and file a claim under the warranty. The service adviser said that the issue would have to be evaluated to determine if it qualified to be covered under warranty. The evaluation costs $120 but if it was covered I would not have to pay for the evaluation fee. I agreed to pay the fee and left my van with the dealer for 5 days. They determined that the fuse block was defective and that it was a covered item. They replaced the fuse block and the signal worked again. 2 months later, the signal light went out again. I removed the bulb and noted that it did not appear to be blown. I replaced the bulb just in case and the signal still did not work. I returned the van to the dealer and they wanted to charge me the $120 evaluation fee. I agreed, but this time, they claimed that it was a blown fuse in the engine compartment. They did not make me pay the $120 but wanted to charge me $39 for parts and labor to replace the fuse. They said the signal light was shorting out due to an after-market stereo I had professionally installed. I complained enough that they did not insist on me paying the $39 charge. The signal light worked for two more months before going out again. I have not returned to the dealer because I want to know if anyone else has had this problem. I went to the car stereo shop (who is very reputable and has been in business for 15 years plus) and he could not understand why they would point to the after market stereo as the issue. He said they don't touch the fuse block. Advice?
It is roughly center from side to side and front to back on the top surface of the dashboard, below the rear-view mirror.
2002 chevy express van 3500 5.7 liter makes tapping noise every time I accelerate
What seems to make the problem better or worse? When engine is cold
How long have you had this problem? A year
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