Re: How to get top bolt off of 1988 F250, 7.1 L diesel...
My 88 ford 7.3 diesel 3spd auto engine overheats on hard uphill pulls. even wants to run hotter than usual when empty. can only find 192 degrees thermostat.
Is it okay to run diesel engine without thermostat during the summer? manuel says not to.
truck is well maintained.
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you need a socket set probley a 1/2 " combination wrench 5/16s combination wrench for the wires a 9/16s combo wrench for the battery to starter wire. and a flex adapter between exstention and the 1\2 short socket to remove the 2 starter bolts. ratchet of course.
do you have a TST on your truck? if so this is a common problem, your crank sensor is behind the starter(must pull) with a 10mm 12 point wrench, top bolt, not so fun.. and one bolt for sensor.. keep checking online. seams this is a common problem(i have 3 diesels) with TST,
Generally starters have 2 or 3 bolts and a thick wire coming from the battery and other miscellaneous connections.
You did not specify a vehicle that was on my list, i.e. 1988 Chevy Tahoe.
However, it may be similar to a Suburban R10: REMOVAL & INSTALLATION
The following is a general procedure for all trucks covered in this manual, and may vary slightly depending on model and series.
Disconnect the negative battery cable at the battery.
Raise and support the vehicle.
Disconnect and tag all wires at the solenoid terminal.
NOTE: Reinstall all nuts as soon as they are removed, since the thread sizes are different.
Remove the front bracket from the starter and the mounting bolts. On engines with a solenoid heat shield, remove the front bracket upper bolt and detach the bracket from the starter.
Fig. 1: Starter mounting location — 4.8L engines
Fig. 2: Starter mounting location — 4.3L and 5.0L engines
Fig. 3: Starter mounts — 5.7L and 7.4L engines
Remove the front bracket bolt or nut. Lower the starter, front end first, then remove the unit from the truck.
Position the starter and tighten all bolts as follows:
Thru-bolts: 40 ft. lbs. (54 Nm)
Bracket bolt: 30 ft. lbs. (41 Nm)
Nut (gas): 11 ft. lbs. (15 Nm)
Nut (diesel): 90 inch lbs. (10 Nm)
Thru-bolts: 35 ft. lbs. (45 Nm)
Bracket bolt (diesel): 24 ft. lbs. (33 Nm)
Nut (diesel): 75 inch lbs. (8.5 Nm)
Reconnect all wires.
Fig. 4: Disconnect the negative battery cable
Fig. 5: Remove the starter retaining bolts
Fig. 6: Remove the starter from the vehicle
This is a relatively simple problem. Loosen the bolts on the starter - you should leave them a little snug so that the starter will move, but stay in the correct position when you are done with this little proceedure. After you have loosened the starter, click the key quickly. Then tighten the bolts back up. The starter problem you describe happened to me on a diesel. I was lucky to get both batteries unhooked before something blew up.