1997 Chevrolet Express - Answered Questions & Fixed issues

Question edited for clarity. Question moved to model category. Full wiring schematics are usually only available from paid sites like www.alldata.com or in workshop manuals. You can take a one month subscription. Partial wiring diagrams are normally free. https://www.google.com/search?q=1997+chevy+express+3500+van+5.7+wiring+diagram ..

Question edited heavily for clarity. Question moved to model category. After it was sitting, did the battery go flat, or did you have to remove it to charge it? Immobilizer and anti-theft system reset needed? Other help in the link https://www.google.com/search?q=1997+Chevy+Express+1500+fuel+pump+issues ..

for help u will find a lot of wiring diagrams and circuit diagrams help books and stuff like this at reliable-store the girl in the chat box can help u instantly... im a frequent buyer there since Im a mechanic so take help from there

No spark to the coil or is it no spark from the coil? First verify that you have 12 volts to the coil when you turn ignition switch on if not you will never have spark from the coil going to the plugs. If you do have 12 volts to the coil and still no spark you have a bad coil. To see if the coil is firing, unplug a spark plug wire from it's plug and hold it to a chasis ground while attempting to start the vehicle. There should be a strong spark and popping sound. Remember to wear leather glove or thick work glove if holding the wire by hand to avoid shock. If there is a strong spark then coil is good.

there is not resistor, you should have 3 relays on electrical panel in rear on the left side by the blower, each relay control the speed of the motor

is the battery fully charged? will it jump start/ if the battery is good and it wont jump start. It sounds like a bad starter, sometimes on a GM auto you can tap the starter housing with a hammer and get it to start if this works you will need to get a new starter. Note tap the starter dont beat on it.

One last thing is a module in the distributer.

Check out the idle air control and the throttle position sensor/map/mass air flow sensor,,best to run scan to pin point the problem,

HelloThe engine and transmission in this cars drive train are fully electronically controlled by a computer called the PCM (Power Train Control Module). Whenever a problem like this occurs the computer stores a record of the problem (there are of course some exceptions to this, like the fuel pump, engine coolant teperature sensor and MAF sensor for instance) in the form of a fault code in its memory, to read these fault codes you must have the systems memory scanned with a special tool. Once the fault code(s) are read you then must perform the appropriate diagnostic testing to find and resolve the problem(s) DO NOT REPLACE ANY PARTS UNTIL THE DIAGNOSIS & TESTING IS COMPLETED.

are you sure it is not a fuel problem,check to make sure that your getting fuel,could be the solenoid on the fuel pump,does it smoke as your cranking it.

If the connection wire to the sensors are double -yes it will --if the wire is single --no.

sounds like possibly head gaskets, when you overheated probably warped heads causing coolant in oil and coolant in cylinders therefore partially hydrolocking...antifreeze does not compress like fuel vapors .check oil and see if looks like creme to light chocholate color. this means coolant in oil, this is very ******* bearings, eats them up and if thats the problem you loose oil pressure cause bearings are sloppy from being worn. Bottom Line.you might be looking for another enj.or rebuild

Hi!!
Just follow the instructions and see Figure below: 1996-97 Models

1. Disconnect the negative battery cable.
2. Remove the watershield from the front fender.
3. Loosen the solvent container-to-body bolt.
4. Remove the horn assembly.
5. If necessary, remove the main fuse panel.
6. If necessary, detach the master cylinder without disconnecting the lines.
7. If necessary, remove the fuse panel base.
8. Lift the solvent container up enough to access the underneath and disengage the hose and electrical connection.
9. Remove the container from the van and remove the pump from the container.

To install:

1. Install the pump in the container.
2. Engage the electrical connection and hose, then install the container in the van.
3. If removed, install the fuse panel base.
4. If removed, install the master cylinder.
5. If removed, install the main fuse panel.
6. Install the horn assembly.
7. Install the container-to-body bolt and tighten it to 89 inch lbs. (10 Nm).
8. Install the watershield.

Good Luck!! A HELPFUL, 4 THUMBS UP rating for this solution would be greatly appreciated. Thank you for using FixYa!!

replace relay

you may only have a loose belt.it may not be the altenator belt,it may be another component thats bad. suggest you try starting the engine with hood up and look visually for a pulley thats not turning properly.or a pulley that wobbles.if you have more than one belt,look at all the belts to insure they are operating properly,hope this helps,if not,then please repost your question to fixya.com. there are experts online and ready to assist you!

hi locate the pump, and get a small flat head screwdriver and just leaver it out, you can test it while its in place, just get 2 lengths of wire enough to reach a power source and to the pump, just put earth to earth and live to live on the pump and it should run, if not then the pump is u/s if it does you either might have a problem in the column switch, or the wiring...hope this helps

Ihave a 96 s10 it dose the same thing i think its because the fuel moves around in the tank and the shape of the tank but it still works There is something i read in the manual that said it could stop anywhere all of the gauges are like this but olny the fuel dose this

I've got an old Buick Park Avenue with 200,000 miles on it that doe the exact same thing. It is caused by fuel leaking past the injectors while the vehicle sits overnight. Your problem may be something else. Have the computer scanned for codes. That's usually the best place to start looking.

Take off the grill. Remove bolts from core support. remove fender bolts. whatch out for pop rivets. remove wiring, replace resivor. reassemble