20 Most Recent 1985 Ford F350 - Page 3 Questions & Answers

check the plug wires and the distured to it sounds like its not getting fire

The 6.9L holds 10 US quarts and the 7.3L holds 15 US quarts. Hope this helps.

quite honestly it can vary. Especially with the grade of gas since you engine was made. Usually anywhere fro, 6-10 degress BTDC. Get a vacuum gauge and hook it up. Adjust the timing for max vacuum readings. Road test the vehicle. If you notice some pinging, then back off about 2 degrees.

Most carbs need any where from 4-6 psi

Have you phyiscally checked to see if the motor itself is working properly?

I HOPE YOU HAVE GOT THE PLUGS OUT ! REMOVE THE STARTER AS WELL THEN TRY TO LEVER THE FLYWHEEL AROUND ONE TOOTH AT A TIME ,.IT SOUNDS AS IF A LEAKING HEAD GASKET MAY HAVE ALLOWED WATER INTO THE CYLINDERS AND THE HAVE RUSTED BUT IF THE PLUGS ARE IN AND THE IS WATER OR OIL IN THERE YOU ARE LUCKY IT DIDNT TURN OVER AS YOU WOULD HAVE DONE A FAIR BIT OF DAMAGE. THE NEXT MOVE IS TO RIP THE HEADS OFF AND CLEAN UP THE BORESKEEP US POSTED ICAN KEEP TYPING FOR HOURS BUT TRY THE FLY WHEEL TRICK FIRST

Remove the spark plugs and squirt some oil down in the cylinder heads. let it sit for a week
Remove old fuel from the fuel lines and tank .
Put a good battery in it.
If vehicle fires up after a week of sitting, shut it down and change oil in the engine, diffs and trans, you will probably notice that seals may weep oil for awhile if they continue you will have to replace those seals.

autoparts.cardomain.com/auto-parts/ford-f-350/engine-electrical-spark-plug

sounds like the cables might have been hooked up backwards. check all the fuses.

Possibly ignition switch is bad?

Hello; Is it hard to start when hot, cold, all the time? What engine do you have? Let me know so I can diagnois your situation. Thank; Rich RPM Northwest

There is a box on the passenger side, under the heater core. It's black and about 2 in by 2 in big. there is a white button on top. push the button down, noting how firm/loose it is. If it is loose, then the switch will need to be replaced. For reference it's called a inertia switch.

replace the solenoid under the hood mounted generally on the firewall

need a little more info atm the moment you may have a blown fuse or fauly starter motor but i need a little more info

if you have dual tanks then yes you have two fuel pumps one for each tank

I would check out the fuel filter or the EGR valve

try dieselplace.com they have some great info and pics. to go with it

I beleive you may have a poor connection to the power to the cab of the truck.

you might have just over looked at it..try to check the radiator hoses,,because if it leaks from the engine you sholud have flooded your engine and it may not start if it had water in it

I have a 1985 f250 with 6.9 liter diesel and when I couldnt get electricity to starter, I mounted
a 12 volt starter button I got at napa auto partson the dash just to the left of the glow plug light
and wired it across the selenoid switch. I still have to turn the ignition switch on first.