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From: owner-small-list-digest ford-trucks.com (small-list-digest)
To: small-list-digest ford-trucks.com
Subject: small-list-digest V4 #7
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small-list-digest Sunday, January 9 2000 Volume 04 : Number 007



=======================================================================
Ford Truck Enthusiasts - Ranger, Explorer, Bronco 2 and Aerostar
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In this issue:

Re: FTE Small - Buildup inside of Fuel Injectors
Re: FTE Small - Ranger fuel filling problem
FTE Small - 2.9L cracked heads
Re: FTE Small - U joint Replacement Tool
FTE Small - Ranger fuel filling problem
Re: FTE Small - Ranger fuel filling problem
FTE Small - Fuel Injectors

=======================================================================

----------------------------------------------------------------------

Date: Sat, 08 Jan 2000 11:30:38 -0500
From: David Cooley bellsouth.net>
Subject: Re: FTE Small - Buildup inside of Fuel Injectors

At 06:46 PM 1/7/00 -0800, you wrote:
>If I disconnect one of my spark plug wires on my distributor, my engine
>will have a miss in it.
>
>
>
>If one of my fuel injectors has buildup in it, will the conditions be
>the same?


If it's enough buildup to limit the flow of fuel sufficiently to cause a
mixture so lean it cannot ignite, Yes. Usually what happens is the Pintle
gets crud built up on it so the spray pattern isn't a fine mist in a cone
shape. It becomes large drops that don't mix with the air and just "drip"
into the intake port when the valve opens and the injector sprays. This
makes the engine run rough and hard starting.


>Or, why does "Fuel Injector Cleaner" sell so well?

Mostly hype. Fuel injector cleaner in the gas is what, 1 pint to 20
gallons? Not much to clean with.
The proper way to clean injectors is to have them removed and
ultrasonically backflushed. This cleans the particulate screen on the
injectors inlet as well. 2nd best is pressure cleaning on the car... IE:
fuel pump disabled, Cleaning fluid (usually Xylene and some alcohols mixed)
under pressure pumped into the fuel rail and the engine started and ran on
it until the can of cleaner is almost empty (engine starts to run rough)
then shut off and let it sit for an hour for the cleaner to "soak" the
injectors etc. Re-enable the fuel pump, clear the EEC memory and start
normally.

===========================================================
David Cooley N5XMT Internet: N5XMT bellsouth.net
Packet: N5XMT KQ4LO.#INT.NC.USA.NA T.A.P.R. Member #7068
We are Borg... Prepare to be assimilated!
===========================================================

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------------------------------

Date: Sat, 08 Jan 2000 11:32:47 -0500
From: David Cooley bellsouth.net>
Subject: Re: FTE Small - Ranger fuel filling problem

At 04:58 PM 1/7/00 -0800, you wrote:

>I have a '90 Ranger that takes about ten minutes to fill up. The
>first few gallons go in ok while there is still some compressible
>air volume left in the tank but eventually the nozzle starts clicking
>off and raw fuel starts burping back out of the filler. Eventually
>I have to set the nozzle on the slowest setting (which won't click
>off) and wait until I see the fuel overflowing. I know it's
>a venting problem and before I start hunting for it I was wondering
>if anyone knows how the air is supposed to vent during filling.
>
>Is it through a small tube in the filler neck or maybe a line to
>the charcoal cannister? Or maybe something else?
>
>And since I'm in California, thanks to all of you guys whose gas
>caps are passing smog. You're covering for the quart of gas I'm
>spilling at every fill up.


I haven't looked at the ranger specifically, but the explorer has a
"fuel/vapor seperator" on the top of the tank (check ball and inverted
seat... if liquid comes up it pushes the check ball to the seat and plugs
the hole) that vents into the filler neck about 2/3 of the way to the top.

===========================================================
David Cooley N5XMT Internet: N5XMT bellsouth.net
Packet: N5XMT KQ4LO.#INT.NC.USA.NA T.A.P.R. Member #7068
We are Borg... Prepare to be assimilated!
===========================================================

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------------------------------

Date: Sat, 8 Jan 2000 08:48:20 -0800 (PST)
From: Dan Lee yahoo.com>
Subject: FTE Small - 2.9L cracked heads

Is there a known cure for cracking heads on a 2.9L? I
have heard about a redesigned head for these, if so
what is the source for these?

Dan Lee
'53 F100
400C-4V
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------------------------------

Date: Sat, 8 Jan 2000 11:39:16 -0600
From: "C R Blanchard" siue.edu>
Subject: Re: FTE Small - U joint Replacement Tool

Thanks for all the replies. It was a 12 point 12mm head. I had never seen
a 12 sided bolt so I had assumed it was some kind of star shape.

Thanks.

Rick

>C R Blanchard wrote:
>>
>> I tried to replace my U-Joints this last weekend and ran into a bit of a
>> problem.

>> The first step was to unbolt the joint from the rear diff so that I could
>> pull it free from the trans. We found that it has bolts with a head
style
>> I have never seen. They are kind of star shaped, but have more points
than
>> a torx. (I didn't count exactly how many).

>
>Rick,
>
> Try a 12 point 12 mm socket. Make sure you get a 1/2 inch
>drive as they allow you to apply more force.
>Regards


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------------------------------

Date: Sat, 08 Jan 2000 11:21:49 -0800
From: rgstein pacbell.net
Subject: FTE Small - Ranger fuel filling problem

Donald Paauw wrote:

I have a '90 Ranger that takes about ten minutes to fill up. The
first few gallons go in ok while there is still some compressible
air volume left in the tank but eventually the nozzle starts clicking
off and raw fuel starts burping back out of the filler.... I was
wondering if anyone knows how the air is supposed to vent during
filling.

My reply-------------------------------------

Your problem can be diagnosed using a Ranger Filler Tube Restriction
Device Analyzer (RFTRDA, Ford Rotunda part no. 10239897). Note: do not
mistakenly purchase the analyzer made for Aerostars: it will not work.
Alternatively, you are welcome to bring your Ranger to a California
certified smog test station, where they use the Universal Filler Pipe
Restriction Test Adaptor (UFPRTA), a module that plugs into the smog
test computer.

The State-approved test procedure is fairly simple, and you can help the
tester perform it. You start the engine, and immediately press the gas
pedal to the floor and hold it there while the engine stabilizes at the
highest possible RPM. When you are satisfied that the revs have
stabilized, yell as loud as you can (to be heard above your engine) to
the test technician (I always find that wordless yelling and screaming
works best). He then takes his flat, rectangular box and mashes it down
firmly on your filler pipe. If gasoline sprays out of every fitting on
the vehicle, you have passed the filler pipe test. However, if gasoline
fails to spray from at least one fitting, you need to have all the
fittings replaced.

To remove the old fittings, you need to purchase a Ford Ranger Fuel
Fitting Removal Tool ($195 from the dealer, or $79.95 at NAPA), which
destroys the special Chinese plastic fitting collars. You also need a
supply of new fitting collars (which the dealer doesn't sell), available
on special order from NAPA for $4.95 each. The Ranger uses 16 of them.
One of the fittings is located inside the transmission, which must be
removed and torn down to access it.

I have found it helpful to use the following publications for this job:
"'90 Ford Filler Pipe and Associated Lines and Fittings Manual", Helm,
$195, plus $5 shipping and $29.95 handling, and the pamphlet "Easy
replacement of dedicated self-destructing Ford fittings in the Mojave
Desert" (special order from Joe and Sam's Auto Parts, Tehachape, CA).

Good luck.

Richard

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------------------------------

Date: Sat, 8 Jan 2000 16:32:28 EST
From: ROlson1039 aol.com
Subject: Re: FTE Small - Ranger fuel filling problem

I had an F250 that did the same thing.. That truck had a similar problme and
it was the tank mounted fuel pump that was the culprit.. so i duuno if its a
same type system in the ranger or not....
Bob
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------------------------------

Date: Sat, 08 Jan 2000 21:01:29 -0800
From: Adam McLaughlin jps.net>
Subject: FTE Small - Fuel Injectors

Has anyone out there had any experience replacing the fuel injectors on
a 2.9? I am working on mine, and they are being an absolute hassle! I
must have had that fuel rail on and off about four times. Every time
that I put it back on and start the vehicle, it spurts gasoline!!

Yes, I am using brand new injectors and they all came with two sets of
new rubber o-rings. What's the trick here? I think that I have them
seated correctly, as I can put the retaining clips in that attach the
injector body to the rail, but it still spurts!!

What am I missing? Do I need a particular method of installation, or
what?

I'd like to find out soon, as I think I cross threaded a hole on the
lower intake towards the rear of the fuel rail by doing this so many
times.

Another question that I have, is about the black gunk that builds up on
the throttle body. I see more of this on the lower intake, but only at
teh back of the intake vents, and only in cylinders 3 and 4. Why would
this be? (I did wash it down with Holley Throttle Body Cleaner)

Frustrated,

Adam

....


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