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Chevrolet G Series Van (G20) Questions

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As I was driving my 95 Chevy g20 conversion van it stopped shifting gears. I can move the gear shift but it’s not switching gears. What could be the problem?
my transmission jerks when I put it into drive and is slow shifting into second gear and shifts fine going into remaining gears.
I'm trying to start my van that has been sitting for 6 months. Usually I could just put in the battery and it would start. Is it safe to put starter fluid or a little gas in the carburetor to try to start because the engine is inside the vehicle once the doghouse is off.
Tried to crank van. Can't recognize if pump is on fuse good need to no where relay is.
What seems to make the problem better or worse? No
How long have you had this problem? Just now
Hi,

I need to change my rear axle bearings.

The GM Service Manual has special instructions to "remove the pinion shaft from the case on vehicles without a locking differential" or "with a locking differential remove the shaft part way and rotate the case until pinion shaft touches the housing".

My question is how do I know if I have a locking differential??

ANY advice or helpful tips would be greatly appreciated!! Thank u in advance!!

I have a 1996 V8 5.7L, 4L60E, 10-bolt, 8.5" rear end (I'm fairly certain on that last part).
I was replacing my bearings and noticed that half of the spindle looks and feels grinded down probably about 1 mm. Do you think I need to replace the spindle or leave it as is ??
I'm trying to buy wheel bearings for my 1995 g20 5.7L. There are two different types of bearings with two different part numbers. One indicates light duty brakes and the other heavy duty brakes. Please advise??
My Chevy Van has a problem since a few weeks.
Whenever I demand a lot of power (going uphill on a freeway or driving a mountain pass) it begins to cough, looses a lot of power, car runs slower and slower and eventuelly the engines stalls/shuts off.
What can i do?
is it a problem with the spark plugs?
the problem only occurs when I need a lot of power
What seems to make the problem better or worse? worse in heat, cold and when the car needs a lot of power
How long have you had this problem? a few weeks
Drives like a beast, then the check engine light came on right before I stopped for gas. Ran fine for a few minutes, stopped and started again... 2 miles in it stalls and dies. It started back up and made it to the house, but then won't turn over at all. It tries - hard! But it sounds like it's not getting any gas. I can hear the fuel pump come on when the key is in accessory, the relay switch clicks, and the fuse is good. But won't start!! Help quick!
My Chevy van has 150,000 original miles.
When I move from Park to reverse or drive, my transmission makes a "thunk" (which I feel more than hear), similar to when a U-joint wears out. I added 1 quart of transmission fluid last week.
I need to fill my oil and it's not under the hood like my 1993. Some say it's inside but I don't know where. Please help if you can. And thank you!
I bought a fuel pump it sounds like its working but don't get no gas to the throttlebody
need to know where the relays for the AC blower and the power windows
spark plugs and cables which order do they go
While driving the gas pedal stopped working, and we just coasted off the road with engine still running at a regular idol. I shit the engine off and now it won't start. I have changed the TPS and the fuel pump seems to still kick on.
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