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80-96-list Digest Tue, 05 Dec 2000 Volume: 2000  Issue: 253

In This Issue:
Re: Brake Problems
brakes
Intro and Question
ADMIN: New FTE search feature

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

From: FULSZBRONC aol.com
Date: Mon, 4 Dec 2000 22:57:45 EST
Subject: Re: Brake Problems


It could be the flex lines are slightly "ballooning" when brake pressure is
applied.  The best way to test them is to pinch-off the lines to the calipers
and see if the pedal improves.  There is also a flex line at the differential
that feeds the rear brakes that can go bad.  This type of failure is fairly
common on older vehicles and inexpensive to replace.  Other possibilities
include improper push-rod setting at the master cylinder (sorry, I don't have
those specs available right now) or (rarely) excessive flex in the calipers.
Alex

> Hey folks, I need some help. I have an 82 Econoline E350 Van with a low
pedal.
>
>  It has new brakes all around as well as a new master cylinder. Even after
>  adjusting the rear brakes and bleeding the system numerous times, the
pedal
>  goes too far towards the floor. Does anyone have idea of what the problem
is?
>

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

From: "Sam Means" <smeans inetport.com>
Subject: brakes
Date: Tue, 5 Dec 2000 06:50:55 -0600


One possible solution to the brake problem mentioned would be to replace the
push rod behind the master cylinder. I don't know about the current model
for sure,but in the late 70's the push rod was adjustable in length. If it
has previously been shortened or ,more likely  replaced by one too short,
the result would be low pedal height. He can try lengthening the existing
rod, but must do so with caution. If it is made too long, the result will be
a gradual buildup of pedal height as the vehicle is driven..to the point
that the brakes are on all the time. When this occurs, the tubing attachment
nuts to the master cylinder must be temporarily loosened to release the
built-up pressure.
I learned of this problem shortly after replacing the master cylinder on my
1977 f150. It was a surprise to notice the truck slowing and hopping up and
down slightly. I was forced to stop beside the freeway and bleed the
pressure before continuing.
Sam Means
------------------------------

From: BanksRVA aol.com
Date: Mon, 4 Dec 2000 20:32:05 EST
Subject: Re: Brake Problems


Hey folks, I need some help. I have an 82 Econoline E350 Van with a low
pedal.
It has new brakes all around as well as a new master cylinder. Even after
adjusting the rear brakes and bleeding the system numerous times, the pedal
goes too far towards the floor. Does anyone have idea of what the problem
is?
Thank you in advance,
Joe



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

From: "D. L. Young" <dlyoung san.rr.com>
Subject: Intro and Question
Date: Tue, 5 Dec 2000 16:32:02 -0800


Hey All,
   Quick intro...My name is Don and I live in San Diego, CA. My truck is an
88 F150 ext cab with the 5.0 engine and AOD tranny. I am the second owner
having bought the truck 3 years ago from a family friend that unfortunately
passed away from cancer. She had 63k on her when I bought her and she has
95k now, been a good truck but I am having a bit of a pinging problem as
well as a strange shake when under load.
   I've included a snip from a message from a few days ago about the
routing of the spark plug wires. I was hoping someone could please elaborate
on this a bit as I have not heard of this problem causing pinging before.

> Check the routing of the spark plug wires and separate them as much as
> possible. Although this problem is more common on the V8's it can still
> cause knock problems on the 4.9L.
>
> Have you pulled the computer codes to see if anything is showing up?
>
> Have you tried a different grade of gas?  The 4.9L I drove before the
truck
> I own now did not like regular gas and pinged when I ran regular in it.  I
> don't have this problem with my 5.0, it runs fine on any gas as long as
the
> spark plug wires are routed correctly.

   Here's a little history on my problem and what I've done or had done to
try to fix it.
Several months ago I noticed my truck pinging more than usual on the roads I
drive daily and when climbing a hill the truck would not only ping but as
the engine loaded down the truck would start to shake until I either pulled
it out of OD or it downshifted itself. If the hill got steeper and the
engine continued to load down it would start shaking again until the tranny
downshifted to 2nd. Now when I climb a hill (and I'm not talking anything
steep here either) as soon as it starts to ping I just pull it out of OD and
let it run up in Drive.
   I have taken it to the dealer and they found some things wrong but
fixing them didn't fix my problem. They replaced the TPS, O2 sensor and a
couple of other emissions parts and added a spacer of some kind on the
throttle body. I had a vacuum leak that they fixed as well. They said I
needed a tune up so I did that myself and replaced the plugs, wires, cap and
rotor.
   One of my plugs (#2) the center electrode was partially destroyed and
the ceramic was a little blistered. I asked a couple of people, including an
Autolite spark plug rep at the drag races in Pamona, what would cause this
to happen and they both mentioned a lean mixture that was causing
detonation. With the exception of maybe an intake valve not opening properly
the only thing we could think of that would cause a lean mixture in just one
cylinder was a bad injector. I replaced that injector but it didn't fix it.
   I have had the tranny serviced and inspected and they did not find
anything wrong with it, no metal in the pan, nothing. I even changed out the
carrier bearing and made sure my u-joints were all good. I am aware that
Ford put out a service bulletin about the torque converters needing to be
drained on a service if there is a vibration problem but I was also told
that only pertained to the EAOD trannies that have the lockup type torque
converters, the AOD's don't have that type of converter.
   Just last week I took it over to Midas to have the exhaust system
checked out to see if maybe I had a plugged system causing to much back
pressure, and although the cats were suspect we replaced the muffler because
it was definitely bad. I may be taking it back to them to cut into the
system to visually inspect the cats and see if the insides are plugged up,
but that's another $300.00 bucks to replace the cats and I've already thrown
about $1500.00 at it with no luck yet.
   Things I haven't done yet is a compression check and to check the base
timing although I would've thought the dealer would have checked that and
adjusted it when they were doing all the work to it that they did. I know,
that's probably a bad assumption.
   Well, that about covers everything that I've done to it, any help is
greatly appreciated and I apologize for being long winded on my first post.
TIA
Speed Safe,
Don

88 F150 Ext Cab
96 VFR 750
San Diego,CA.



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

Date: Wed, 06 Dec 2000 18:38:44 -0500
From: Ken Payne <kpayne ford-trucks.com>
Subject: ADMIN: New FTE search feature


Check out:

http://www.ford-trucks.com/search/phod.php3

Its a new search feature of FTE that allows you to do an
Open Directory search of the entire Internet.

Ken Payne
Admin, Ford Truck Enthusiasts


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

End of 80-96-list Digest V2000 #253
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