Chevy Express/GMC Savana Fuel & Oil Questions

I have a 2000 GMC Savana conversion passanger van, and the sending unit for the gas tank sticks at 3/4 tank. I didn't know this until the 1st time I ran out of gas. The fuel pump works fine, but I still want to get fixed. The dealer part is about $200 + Labor. Does this unit cross to any other vehicle that I can get? Other than the GMC dealer, I can't find the part, Is there another vehicle that uses the same part? thanks for anyones help.
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I see on the Purolator box that the filter business was sold to ArvinMeritor. Great. Then, in searching for a website that might tell me which Purolator filter would replace a Delco PF46, I find a note that ArvinMeritor has sold the filter business to Bosch and MANN+HUMMEL. So I guess next week it'll all be in China or just disappear. Anyway, if you go to Autozone or Advance, they should be able to tell you and show you bigger filters that will fit your engine. Purolator's cheaper filters are called "Premium Plus" and their better filters are called "PureOne".
I use the Purolator instead of the Delco because I've cut open both brands and found that the Purolator had quite a bit more filter media than the Delco. This was due to the way Purolator arranged the pleats compared to the Delco. You really need to cut them open and spread out the filter media to see this.
I asked the people who put in our last fuel pump to drill a large hole through my floor board right above where the fuel pump would be placed into the fuel tank in order for me to cut a trap door so if it goes out again I don't have to have the gas tank dropped to get to it. (Some cars have this trap door from the factory.) They wouldn't do that for me. Guess they wanted return business which will not happen.
Is there anyone out there who knows the exact location of the fuel pump if I was to cut a trap door in my floor board to get to it inside the van? Is the tank far enough away from the body that I wouldn't cut into it with a small 3 inch cutting wheel? Help please!
Our 1997 Chevy express van has over 265,000 miles on it with the same Tranny but due to a blocked radiator we had to replace our over heated motor. I noticed we have the same problems as many here with their vans but the mileage we got out of our van(tranny and engine seems to be NOT the norm)
my 2002 g2500 if it sits for any period of time [4 days]
will not run correctly.
every time its towed to the dealer all is well.
this truck definetly has a problem.
the dealer will not admit it.
i know there is a recall with this truck/5.7 liter
i just cannot seem to get a resolution to this matter,
anybody who has any insight to this problem, please speak up and ease my pain !!!!
I was between the last small mark and the E. I filed up and it would only take 28.3 gal so either I really have a 30 gal tank or the gauge is way off.
Ideas?
If you inspect the dash cluster carefully, with a small flashlight you might see the icon for low fuel. That would idicate that you probably do have a 35 gallon tank if you didnt have it on when you filled up.
My dodge ram 3500 is similar. It holds 35 gallons, but when its on E, and I mean on it, it still have about 7 gallons left. The most I ever put in it was 28 gallons, and I was afraid I was gonna run out for miles and niles towing a large trailer.
Fuel level.....I noticed that in the owners manual it says you have some left when it reads "E".
Second, the fuel recovery could be a solinoid/valve on the engine and not the gas cap. The tank has a line that runs up to the intake. I dont know where on the the 4.3, but on the the 5.3 its on top of the intake at the front. The pcm pulses the solinoid to put the gas vapor in the engine (for emmissions) after it warms up a bit. Its not uncomin for the platic to break or crack, or the plastic line to it. It is possible to cap the lines and the vacuum leak with no ill effects to how it runs. It will have the code unless deleted via laptop retuning of the pcm and may not pass smog testing depending on were you are at. If the code is deleted, it passes no matter what, but is not good for the enviroment.
The solinoid could just be dead or stuck also. Most of the ones Ive seen are 1 inch by two inches long, with two wires run to it.
Does the owner's manual have directions?
thanks
I am a refrigeration/air conditioning engineer but until now was not aware there was a vac pump on these vehicles.They say it controls the air conditioning and fuel system runs continuously with the engine.
Just basically, how does it control the A/C and fuel?
I imagine the fuel is made to evaporate more efficiently but the A/C has its own circulating compressor for the R134a gas used.
I am a British engineer working in Eilat.I have no experience with these very popular vehicles so I would like to learn more.
Romaurie