20 Most Recent 1986 Chevrolet Astro Cargo Questions & Answers

sir change solenoid

A lot of times the public library still has vacuum schematics in the "reference" section near all the other repair manuals for automotive. That is actually a real good place to look.

Are you saying it will not crank, or not start ?

replace carbutator and get it profesional tunned

We do not have wiring diagrams as they are copy protected. You can buy access to the factory manuals here for a small fee.

2.5 liter engine:




3.4 liter engine:

not sure what is what on a american vehicle but first check for power to the switch then check you have power coming out of a wire for left and right turn when you move the switch ,then work backwards from their ,so no power to switch try the flasher unit and if that doesnt cure it change the hazard light switch

Could be a bad coil.
Did you replace the rotor button and cap in the distributor when you did the tune up? If not there may be a lot of corrosion that is not allowing a spark to get to the wires.

have to bleed the air out of fuel line do this by locating the bleeder vavle on fuel rail have a friend turn the key on but not crank the car just turn key on open bleeder valve for a couple secounds close it have him turn key off do this a few time until you have steady fuel no air close vavle back vehicle should start now be careful fuel is flamable

1. IF HEAR PUMP RUNNING THEN ITS WORKING DO HAVE ENOUGH GAS IN TANK FOR THE PUMP TO PICK IT UP. MAYBE BLOW LINES OUT FROM TANK ONLY HAVE 1 PRESSURE LINE / RETURN LINE . SYSTEM WORKS BY BEING PRESSURIZED .MAKE SURE LINE HOOKED UP . IS IT FUEL INJECTED OR TBI

Here is the firing order diagram for that engine, and let me know if you need any help to understand this diagram, or if you require any further assistance.