I hope it helps you, not 100% sure.

The reservoirs main purpose with this particular EFI design (1 or 2 transfer pumps and 1 high pressure pump) was to ensure there was enough volume being made available by the transfer pump for whatever volume the pressure pump needed (and also to collect return fuel before being sent back to tank). This small reservoir of fuel ensured the pressure pump would have a reserve of fuel if the engine load demanded it and the transfer pump could not keep up with demand and not burn out the pressure pump.

When FORD put the hi-pressure pump(s) in the tank(s), there was no real further need.

Can I ask a favor? Next time you are under there, engineering is showing an inline filter on the rail after the hi-pressure pump and before the fuel lines work up the firewall. Can you verify on your application? On a steep learning curve here...

NOTE-

The ILL below must be from a service manual as actual engineering diagrams are usually shown there hence the differing shown Basic Part Numbers compared to a Service Parts ILL.

 

Basic part number: 9B072 shown in pic is Ford part number: E99Z-9B072-A filter and bracket assy for 1989 Aerostar.

This is the only 1980's vehicle that uses 9B072.

Parts catalog pic shows basic part number 9155 for the canister type fuel filter.

 

KULTULZ, there is no fuel filter after the high pressure pump. Nothing hiding behind brackets or anything like that.
I went to a Ford dealership and quizzed the oldest parts guy there. He gave me a ford part number FG848-A.
This crosses to a WIX filter # 33266.
He agrees this system should never have been in this truck. Ford started replacing the system with the more typical filter less reservoir and inline filter because of failures when serviced. The o-rings were problematic and the reservoir would often break when over tightened causing fuel leaks. When the trucks came if for service the components were replaced with updated factory parts.
So my truck is a unicorn.

 

Back to Post# 7

The in-reservoir filter Part# is Napa Part# 3268 or Fram CG3862

This came from Stebe83 here:1983 Ford Bronco '84-89 Fuel Reservoirs picture | SuperMotors.net

With the information from Steve's photos and captions I would not think there is an internal filter on your 1988, but obviously there is.

The part numbers above should be correct.

 

E5TZ-9365-B .. Fuel Filter (Motorcraft FG-848-A). MSRP: $14.33 ~ Dealer net cost: $6.45.

The only applications: 1985 Ranger 2.3L EFI / 1985 F150/250 & Bronco 302 EFI

This filter cannot be correct, because the OP (edit: you are the OP) has a 1988 F250 460.

1980/89 Ford Light Truck Parts Catalog pic of 1988/89 F250 460 fuel system shows a canister fuel filter in front of the fuel pump located on the frame rail.

Did the 'oldest' parts guy look at the parts catalog pic of the OP's (you) fuel system? If he gave you this Motorcraft part number, he did not!

I'm 72, the oldest Ford parts guy (based on age) on FTE (have 35 years of experience [1962/97]).

There's another (JEFFFAFA), he's 59 (but has 40 years of experience [1977/2017]), works at an AZ Ford dealer, spends most of his time in the 1967/72 forum.

But "old" doesn't mean much in todays world, because all it takes to get part numbers for newer vehicles, is to type the vehicles VIN into the system.

So, some of these Ford parts guys aren't actually Ford parts guys at all, they're Ford computer certified techs. I retired in 1997 around the time when this VIN parts system was first introduced.

 

Numberdummy: OP? Sorry you lost me.

 

Who has a 1988 F250 460? You do.

You are the OP = Original Poster .. because you initiated this thread.

I edited post #20 inre to the OP being you, because while I quoted the post, failed to notice you (the OP) typed it.

 

THANX!

I really appreciate your checking for me.

This somewhat confirms some of the engineering problem(s) with this setup of the period. FORD made different installs on different chassis/power-trains. There was a lot of trouble during that period and FORD's final solution was to release the 9K044 asm w/o the filter element (as I remember). Now what was done about a build such as yours?

I would think that there was a FORD Special Service Tool released to successfully remove the canister sump as FORD dealers were forced to buy these tools(a strap wrench may work). That may explain why so many canisters are damaged in the field. And then some canister sumps say clearly not to attempt removal (no filter element inside).

Did you notice if the fuel lines were steel or nylon? There had to be a TSB of the period releasing a field fix that put an inline filter into the vehicle.

A RESERVOIR LABELED DO NOT REMOVE CUP DOES NOT CONTAIN FILTER

 

Can you run E6TZ 9365-A through your catalog for application(s)?

 

E6TZ-9365-A .. Fuel Filter (Motorcraft FG-855).

1986 Ranger 2.3L I-4 & 2.9L V6 both with EFI / 1986 Bronco II 2.9L V6 EFI

1986 F150/250, Bronco & E150/250 302 EFI

Parts catalog pic of OP's filter shows Ford basic part number: 9155 .. So the filter will not have a Ford basic part number of 9365

 

So the wix filter #33266 fits. The #33268 is shorter, but comes with the same o rings and is the same diameter.

The first filter I bought was a cheap auto value version and the o ring provided was too small to fit.

The "old parts guy" I am referring to is the service manager at the ford dealership here. He is a journeyman mechanic, and journeyman parts man. He has been working at ford for over 30 years. He knows his stuff. I asked for a filter for the 88 F250 with a 460. He didn't touch a computer. He asked "inline or a paper filter from the reservoir" I said reservoir. He brought me a wix filter. It fit. He told me about the service issues and that whenever those trucks came in for a filter change they "strongly encouraged" the owners to replace the fuel lines and reservoir with the updated inline version. They would replace everything right up to the fuel rail. He called my truck a unicorn for surviving without the update.

 

Listen, you are missing the point. The OP's truck was an off-shoot assembly. It was also not catalogued correctly, hence all of the problem(s) he has posted. This happens quite frequently. This is exactly what I was trying to remember on this reservoir but my memory failed again.

9155 is the Basic PN for an inline fuel filter. 9365 is the Basic PN for a fuel filter element (cartridge). His particular application is not in the MPC. I doubt it is in any FORD Service Literature other than possibly a TSB or older guys memories such as in this instance.

Where we messed up with this thread is not asking the OP to post the Engineering No. from the reservoir when he had it off.

EDIT -

And while we are on the subject.

I clearly stated (I thought) that the particular illustration shown was an Engineering Illustration and not a Service Parts Illustration. Basic Nos are different. An Aerostar application has no bearing in this discussion. The Ill clearly shows a frame rail. It has to be understood also that Assembly Parts and Part Nos may be different from Service Part Nos, especially if the assembly part has been redesigned.

 

What the heck is an off-shoot assembly?

The filter on the OP's truck may have an ID engineering number marked on it that can be crossed over to the Ford part number.

But the filter I see in the pic is a canister type, which may have the ID number, may not have.

The ID number may be stenciled on or printed on a paper tag that was glued on, but...

When you consider where this canister is located, by now...the stenciled number may be unreadable or the paper tag may have fallen off.

 

Prime example is this gentleman's truck. It is a one-off assembly that was not catalogued in the MPC.

FOMOCO did not/does not revolve around the MPC. You must have come across numerous instances of non-catalogued/mis-catalogued assemblies. I know I did.

I made a late edit to my previous post. Please re-read.

 

Glad you got all of this straightened out. Wish I had asked for an Engineering No. or Component I.D. No on the reservoir while you were under there. WIX makes a first class product.

Did the bowl come off fairly easily?