Thermostat change
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New User
Joined: Apr 2006
Posts: 19
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From: California
Thermostat change
I have a 96 7.3 TPSD and doing a Preventive Maintenance, it seems that Ford has changed the type thermostat for that year from this,
http://i12.tinypic.com/5zcqrnr.jpg
http://i8.tinypic.com/68k70ih.jpg
to this
http://i19.tinypic.com/54d5n3b.jpg
http://i17.tinypic.com/4utlpi0.jpg
if you look at the original it has a ridge on the body to hold the "O" ring in that area when the hose attachment goes back on to keep it from moving.
The newer one has a gasket molded around it and when installed it will leak not being thick enugh, has anybody run into this with there 96 - 7.3 and how did you solve the problem? I just reinstalled the original.
now if you remove the gasket on the new thermostat it looks like this.
http://i19.tinypic.com/4tjoq2s.jpg
nothing like the original and if I put it in the pocket where it fits and install the "O" Ring it does not have the lip on the body to keep the gasket from moving. I havent tried doing a install and check for leaks this way I dont want to chance it poping the "O"Ring and doing damage to the motor.
Any sugestions?????
Thanks Don
http://i12.tinypic.com/5zcqrnr.jpg
http://i8.tinypic.com/68k70ih.jpg
to this
http://i19.tinypic.com/54d5n3b.jpg
http://i17.tinypic.com/4utlpi0.jpg
if you look at the original it has a ridge on the body to hold the "O" ring in that area when the hose attachment goes back on to keep it from moving.
The newer one has a gasket molded around it and when installed it will leak not being thick enugh, has anybody run into this with there 96 - 7.3 and how did you solve the problem? I just reinstalled the original.
now if you remove the gasket on the new thermostat it looks like this.
http://i19.tinypic.com/4tjoq2s.jpg
nothing like the original and if I put it in the pocket where it fits and install the "O" Ring it does not have the lip on the body to keep the gasket from moving. I havent tried doing a install and check for leaks this way I dont want to chance it poping the "O"Ring and doing damage to the motor.
Any sugestions?????
Thanks Don
Last edited by trailer trash 2; May 24, 2007 at 12:18 PM.
Post Fiend
Joined: Oct 2003
Posts: 5,903
Likes: 1
From: MICHIGAN
I'm not sure if I see the difference in your picts but if it don't fit......must be the wrong part. Sorry, I'm not helping much. I do know that the therm housings are prone to leaking and rusting through. If you're having trouble sealing it up, maybe it's the housing?
Here's a link to a guaranteed fit, pricey.
http://www.dieselsite.com/index.asp?...ROD&ProdID=186
203F thermostat=a little more HP.
Scroll to the bottom of the page to see the different style housings. The billet one is nice but pricey too.
Here's a link to a guaranteed fit, pricey.
http://www.dieselsite.com/index.asp?...ROD&ProdID=186
203F thermostat=a little more HP.
Scroll to the bottom of the page to see the different style housings. The billet one is nice but pricey too.
Post Fiend
Joined: Apr 2004
Posts: 12,835
Likes: 3
From: Silver Lake Dunes, MI
I am not aware of any seal changes in the stats other than depending on who makes the stat. the only change I am aware of is the 94.5-95 us a 203* short stem and the 96-up use a 195* long stem.
Thread Starter
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New User
Joined: Apr 2006
Posts: 19
Likes: 0
From: California
Thanks for the information and web site, mine uses the long stem type thermostat, as for the Thermostat housing mine in in new condition no rust,dents, or greese, I get my cooling system flushed by Ford every two years and I use coolant rejuvinating liqued every other year between flushes, so my cooling system is a 10, and 10 being best.
I will probably order a new housing to have on the shelf, along with the new thermostat.
Again Thank you.
TT2
I will probably order a new housing to have on the shelf, along with the new thermostat.
Again Thank you.
TT2
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