There are no real issues at the moment.. other than an unknown prior-owner history, and a good number of miles (250K+).
I use it as a camper. So most of the driving has been long highway runs, minimum 100 miles at a time, (with a 4:11 rear).
It was an ambulance in its prior life, and it...
It's not so much conditioning the cylinders against time or winterizing.. it's more about having the opportunity to do a 'deep clean' on any deposits.
It's often said.. 'Fill the fuel filter with ATF start it, then let it sit overnight.' (good for injectors and IP)
Is there an option above...
I will not be driving my truck for the next month or so.
Would there be any benefit to squirting something in to the cylinders (whether it be SeaFoam, acetone, trans fluid, Marvel Mystery Oil, etc..) to 'clean/soak' any deposits, clean the rings, etc?
If so, how long is TOO long to let it...
I went on a google deep dive a while ago, and found the pdf versions of the ATSG E40D rebuild manual..
as well as the 1993 Powertrain/Drivetrain Manual should anyone need a copy.
For what it is worth.
If you're planning on getting any parts from Rock Auto,
Enter 333564668292392592
in the 'How Did You Hear About Us?' box without any other numbers or characters for an additional 5% savings.
Good til 4/17/2026
Unless you live in Arizona.. Sorry. [The Reason Why]
Are these similar?
https://www.amazon.com/Metra-70-1772-Harness-1982-1985-Vehicles/dp/B0002BF098
It says.. "1982-1988 Ford/Lincoln/Mercury"
Look like the counterparts to the ones our holding
Frugal friend of mine swings by Indian reservations with casinos when ever possible.
He said, they use the cheap fuel to get people to stop, and feel better about going into the casino with the money they saved...(and there's no federal tax).
He paid 2.39 for diesel last week.
(He has a big...
You can always check out the 'closeout' section of RockAuto for your year truck.
The Oil / Air filter section will say famous brand with a number, just google the part number to see what brand it actually is..
If it is a auto parts store brand, google 'who makes *** oil filters.
Occasionally...
To answer the second part of your post.. the Service Manual.
When you have a spare moment.. until you buy/borrow/locate a paper copy,
If you google the phrase "6.9 IDI diesel service manual filetype:pdf" (without the quotes..)
The `filetype:pdf` part will tell google to show you results that...
I don't know if it would be more expensive, but is there an alternator/generator shop anywhere near you that you could check to see the cost of rebuilding one (the one you have or a "new-to-you" unit), and change the output profile for more amps at idle/lower RPM's, ramp up sooner and plateau...
Sitting in a storage unit for a while ...critters and bugs can be sneaky given enough time..
I was going to suggest the diesel jug/lift pump test..but I see it is on your to-do list...
Maybe temporarily swapping in some clear fuel line to see what is happening with the fuel flow?
It might...
Soo.. as a follow up..
Can it be run on the highway for the short term or will I end up burning a hole in a valve or piston top or ..wash the cylinder wall?
or should I dump a bottle of howes/optilube/hot shot/diesel kleen/archoil in the tank at next fill up,
and tap each injector with the...
I am apologizing in advance for this being one of those.. "It could be one of any number of things" issues.
I have seen threads on this before, but I would really appreciate some insight from the group to narrow down possibilities.
There is an engine noise (clicking/tapping) that can be heard...
I've got '94 ambulance.
Alternator on the top passenger side.. Batteries also in the front.
Changing it just takes a lot of reaching and contorting.. You might be sore the next day..it's like yoga with a wrench.
I had been driving with a bum alternator for a while.
Whenever I parked.. I...
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