80-96-list-digest Monday, May 4 1998 Volume 02 : Number 157



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Ford Truck Enthusiasts - 1980-1996 Trucks and Vans
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In this issue:

FTE 80-96 - Re: antifreeze leak
FTE 80-96 - re: Ford Enthusiasts Gathering?
FTE 80-96 - First digest after switch
Re: FTE 80-96 - First digest after switch
FTE 80-96 - Re: Antifreeze Leak
FTE 80-96 - Diesel Cooling System Tips
FTE 80-96 - ADMIN: Web chat back up
FTE 80-96 - Re: Antifreeze Leak
Re: FTE 80-96 - Re: Antifreeze Leak

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Date: Sat, 2 May 1998 21:30:05 -0800
From: "Casey Vandor"
Subject: FTE 80-96 - Re: antifreeze leak

All right, I will head in to Napa on Monday and see if they got one. I will
let you know what I find out.

Thanks
Casey

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Date: Sun, 03 May 1998 11:48:18 -0400
From: Ken Payne
Subject: FTE 80-96 - re: Ford Enthusiasts Gathering?

Gary Callahan wrote:

>I live in southern California and have been a member of this list for
>over six months now. I have enjoyed it very much. I have posted
>questions and replied to other postings. I have an idea I'd like to pu
>forth for concideration. I think it would be great fun to get together
>with other members of this list for a weekend outing. I think we could
>pick one of the trips from Harry Lewellyn's "glovebox" book on backroad
>trips in southern California or if anyone knows of another good day trip
>in the area. I think it would be best to limit it to a one-day event
>for now. We could all meet at a predetermined location, drive the
>scenic backroads to a nice spot for a potluck lunch, then home a
>different route. Let me know what you all think of this idea. After
>all the Jeep owners have their Jeep Jamboree. Why can't we have a
>gathering as well. Send (or post) your thoughts to me soon, the summer
>will be over before you know it. For quickest response reply to my
>e-mail at work.

>Gary Callahan
>'81 F-150 Custom 4x4 (400cid I-6 w/4-speed)


Gary,

Hope my last email about this didn't come across wrong. I think its
a great idea. Probably want to give it a month or two so it can be
planned and you can get some firm commitments to show up. We had a
few people on the 61-79 list who were supposed to meet up about a month
ago and only 1 person (I think) showed up.

Ken

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Date: Sun, 3 May 1998 08:51:57 -0800
From: "Casey Vandor"
Subject: FTE 80-96 - First digest after switch

I was having a little trouble subscribing to the list. Does anybody have a
copy of the first digest after the switch? (unless I didn't miss it) I had a
post that was being answered and didn't want to miss the explanation of it.

Thanks
Casey Vandor cvandor eagle.ptialaska.net

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Date: Sun, 03 May 1998 13:01:02 -0400
From: Ken Payne
Subject: Re: FTE 80-96 - First digest after switch

At 08:51 AM 5/3/98 -0800, you wrote:
>I was having a little trouble subscribing to the list. Does anybody have a
>copy of the first digest after the switch? (unless I didn't miss it) I had a
>post that was being answered and didn't want to miss the explanation of it.
>
>Thanks
>Casey Vandor cvandor eagle.ptialaska.net
>

You shouldn't have to subscribe. I moved all the names over.

Ken Payne
CoAdmin, Ford Truck Enthusiasts
http://www.ford-trucks.com
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Date: Sun, 3 May 1998 10:37:53 -0800
From: "Casey Vandor"
Subject: FTE 80-96 - Re: Antifreeze Leak

I went to Napa and they had one model of a pressure tester, -for $125.00-
so That is out of the question. My next question is: I know that the
radiator and hoses, along with the hoses to the core, do not leak, so is it
possible to remove the casing around the heater core without disconnecting
the two hoses, to see if there is evidence of a leak in there? (without
draining all the coolant out of the system) The only thing that appears in
the way is the crank to turn the temperature door, and the fact that the
tubes ends are at 90 degrees and would probably stop the case from coming
completely out of the way. Should I take the time to take off the case, or
look around for somebody who has a tester I can borrow? If the core is bad,
how much am I looking at to replace it?

Thanks
Casey

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Date: Sun, 03 May 1998 12:53:41 -0700
From: Sheldon Belinkoff
Subject: FTE 80-96 - Diesel Cooling System Tips

Spring is upon us, and the hot summer months are not too far away. It's
time to be looking forward to cranking up our Diesels and hitting the
open road. Spring is also the time to be thinking about cooling system
maintenance, so lets talk a little about that.

If you're planning to change your antifreeze and flush your cooling
system, be sure to use a proper mixture of coolant and don't forget to
add a couple of pints of FW-15 additive, or its equivalent. The
additive prevents "cavitation," the pitting and possible subsequent
leaking of coolant into the cylinders.

Another concern is the thermostat. The Navistar engine uses a poppet
type thermostat that is similar to aftermarket units. However, using an
aftermarket unit that does not meet the Ford or Navistar spec can cause
overheating problems. Most thermostats have some sort of bypass built
into them that allows coolant to flow past or through them when the
'stat is closed. This reduces pressure in the system, provides for
longer water
pump life, and allows coolant flow through the system when the
thermostat is closed.

However, the Navistar engine does not use such a thermostat, although
many aftermarket thermostats "will fit." In the Navistar engine water
flow is completed through a bypass passage at the front of the engine,
and does not run through the 'stat. The correct thermostat has a rubber
or neoprene sleeve, or gasket, around the thermostat body. This sleeve
provides a
positive seal and allows the coolant to follow the correct path through
the engine bypass. Further, many aftermarket thermostats have a flat
washer type of valve which opens to allow passage of the coolant when
the proper temperature is reached. The correct thermostat does not have
this design
"feature." This aftermarket design can actually restrict the flow in
our engines, and contribute to higher operating temperatures.
Therefore, be sure to use the correct Ford or Navistar thermostat. I
believe the part numbers are E5TZ-8575-C for Ford and 1807945-C1 for
Navistar. Double check these numbers as they sometimes change. If you
are experiencing higher than ideal engine temperatures, the wrong
thermostat could be the problem.

The next cooling system tip concerns the radiator. Often, after a few
years, the radiator tubes become restricted by chemical deposits. It's
not my intention to go into why that is at this time. However, when the
tubes are restricted by these deposits, the radiator needs to be
cleaned, and sometimes that's done by removing the radiator and "rodding
it out." This is not a good idea with the radiators in our Diesel
trucks. These radiators have turbulators in the tubes, the purpose of
which is to break up the water flow and allow for better cooling. I
won't go into the details here, but needless to say, if an inexperienced
technician tries to rod out a Diesel radiator, damage could occur to
these turbulators, and the radiator could be ruined. The only
acceptable way to clean the core is via chemical
means, and there are a couple of options available.

Well, that's all for today folks. Happy Dieseling ...

- --

Sheldon Belinkoff
belinkoff earthlink.net

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Date: Sun, 03 May 1998 19:56:32 -0400
From: Ken Payne
Subject: FTE 80-96 - ADMIN: Web chat back up

Web chat is back up. This new chat is simpler than the last
chat engine and will hopefully give us less trouble.

Enjoy,
Ken Payne
CoAdmin, Ford Truck Enthusiasts
http://www.ford-trucks.com

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Date: 3 May 1998 20:03:58 EDT
From: Hawk sktc.net
Subject: FTE 80-96 - Re: Antifreeze Leak

80>I went to Napa and they had one model of a pressure tester, -for $125.00-
80>so That is out of the question. My next question is: I know that the
80>radiator and hoses, along with the hoses to the core, do not leak, so is it
80>possible to remove the casing around the heater core without disconnecting
80>the two hoses, to see if there is evidence of a leak in there? (without
80>draining all the coolant out of the system) The only thing that appears in
80>the way is the crank to turn the temperature door, and the fact that the
80>tubes ends are at 90 degrees and would probably stop the case from coming
80>completely out of the way. Should I take the time to take off the case, or
80>look around for somebody who has a tester I can borrow? If the core is bad,
80>how much am I looking at to replace it?

80>Thanks
80>Casey

Yeah, I got sticker shock on a tool this weekend, too. I'm not sure
what year/model we are talking about and I am not a heater expert, but
it has been my experience that most heaters come out from the passenger
compartment. Rangers and some mid 80's full size are real easy, take
out the glove box and a plate and they are right there. Earier model
full size are, well lets just say that Ford started with a heater core
and built a pickup around it. On some models, the A/C evaporator needs
removed for access. You might look around the bottom of the firewall
passenger side for a rubber vent/drain tube to see if coolant is in it.
This would be on the outside of the floor boards where it might drip on
the tranny. If so, it probably is a heater. Cost is model specific,
but I would think less than $50 for an after market core. Probably more
from Ford.

Good Luck,
Buck Shoff

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Date: Sun, 03 May 1998 19:25:24 -0700
From: Robert Kennedy
Subject: Re: FTE 80-96 - Re: Antifreeze Leak

At 10:37 AM 5/3/98 -0800, you wrote:
>I went to Napa and they had one model of a pressure tester, -for $125.00-

Casey,

The pressure tester is a good idea, but not the only one.
Heater Core leaks:
1. very seldom do they show up on the outside of the passenger compartment,
unless the heater hose connections have been messed with.
2. usually, you end up with a steamy winshield and the distinct odor of
anti-freeze in the cab with a core leak. Sometimes you may even get
anti-freeze in the floor board as the leak worsens.(86 Bronco experience)
3. Buck was right about the removal, it's about 8 to 10 bolts after you
take the glove box out. The heater core sits in a box that is only
accessible from the cab (again, 86 Bronco exp)

The other post you mentioned seeing the anti-freeze on the aluminum
inspection plate that bolts to the front bottom portion of the transmission
bell housing. If you remove this plate you may see an accumulation of
anti-freeze at the bottom of the bell housing. This has told me (66
Fairlane 390 V-8), that a freeze plug on the back of the engine was
leaking. Pain in the butt drop the C-6 time.

You don't really need the pressure tester, you can determine these after a
good warm up period. The tester would give you the ability to test without
the engine being so hot.

If you wish to persue the tester, try calling around to equipment rental
places, here in Wahington they rent automotive test tools as well...I'm
sure that would come in cheaper than $125.

Sorry to eat up the list space...

Hope this helps..

Bob (a definite shade-treer in not so sunny Olympia, Wa)


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