in hose thermostat -(no housing)

yes · **Joined:** Mon Sep 26, 2011 11:32 pm **Posts:** 28

Good idea i never thought of looking into fail safe option, it should work the same as all others, the members using the housing should also use a fail safe option. I noticed they also have the 180 degree option if we want it. Renault was not listed so i used Eagle Medallion 2.2 and there it was so if you want it ask for eagle medallion which was a renault medallion in 1988. I will change mine in a year or so with one of these.
this further improves this idea. thanks.

chillmobil · **Joined:** Sun Jul 10, 2011 5:46 pm **Posts:** 34

I just installed my Stant yesterday and it works like a charm. It was really cold (about 25F) so I started the engine and warmed it up for 5 minutes so I could actually pull the rad hose off the thermostat. Engine cold and hose cold, I yanked and yanked and couldn't pull it off. I drilled a 3/32" hole and my temp gauge sits just a tiny bit left of 12 o clock. I hope this helps with my mileage as I was previously a tick right of 1/4 on the temp gauge and couldn't get better than 21 mpg on long smooth highway trips.

I am also slightly uneasy about not having a "fail to open" thermostat and look forward to the report on the Renault installation. Thanks for all the help. I went from $250 for OEM Thermostat + 2 hours @ $80/h for OEM replacement to $15 part + 30 mins of my time. Neat!

yes · **Joined:** Mon Sep 26, 2011 11:32 pm **Posts:** 28

Another satisfied customer !! Who ever gets the motorad fail safe one let us know if anything is different i cannot see why it would be any different.

chillmobil · **Joined:** Sun Jul 10, 2011 5:46 pm **Posts:** 34

I have been wondering about summer operation though. The opening through the Stant thermostat is quite small relative to the Interior Diameter of the 2" radiator hose. Do you guys think this will cause a severe enough restriction to reduce our flow to radiator and thus heat rejection capacity?

yes · **Joined:** Mon Sep 26, 2011 11:32 pm **Posts:** 28

this should be no less a restriction as the members using the housing style, you could always get the 180 degree if necessary that is what i got just in case.

DOC4444 · **Posted:** Mon Dec 12, 2011 8:56 am

I plan to remove it for heavy towing in the summer.

DOC

Quiksilver · **Posted:** Tue Dec 13, 2011 3:53 am

Installed mine last night - so far so good.
:JEEPIN:

Edit: 100KM done - no problems, does what it says on the box

falcn · **Posted:** Wed Dec 14, 2011 11:29 am

Was there never an update on the Fail Safe (open) inline thermostat option?

ATXKJ · **Posted:** Wed Dec 14, 2011 10:10 pm

If you watch the video on Fail-safe - I'm not sure it's very helpful.

It protects from an overheat - i.e. the valve has to open too wide - and then it'll lock open
but the Thermostat fails I've seen - are the expansion/spring weakening over time and cycles and not opening enough, doesn't look like it would do anything for those.

Quiksilver · **Posted:** Tue Dec 27, 2011 8:28 am

Drove the Jeep with the 195 degree in line t Stat yesterday in 95 degree weather, up steep hills, down hills, traffic, air con going, you name it.

Temp stayed exactly where it should be... :JEEPIN:

CATCRD · **Posted:** Thu Dec 29, 2011 3:36 pm

Quiksilver wrote:

Drove the Jeep with the 195 degree in line t Stat yesterday in 95 degree weather, up steep hills, down hills, traffic, air con going, you name it.

Temp stayed exactly where it should be... :JEEPIN:

Did you drill an extra hole in it? I got one for my wife's jeep and it already had a really small hole, so I didn't drill it out. Just dropped it in and ran it. No hot temp or mountain driving yet, but it stays 1/2 tick left of center, and no temp spikes.

jws84_02 · **Posted:** Fri Dec 30, 2011 12:07 am

This may be a dumb question. I just ordered the stant 195 degree option. Do u do anything to the stock tstat or just let it be. Currently my gauge is the common 1/4 location

CRD05il · **Posted:** Fri Dec 30, 2011 2:29 am

You just let it be. It is stuck open so it no big deal.

Quiksilver · **Posted:** Fri Dec 30, 2011 6:36 am

CATCRD wrote:

Quiksilver wrote:

Drove the Jeep with the 195 degree in line t Stat yesterday in 95 degree weather, up steep hills, down hills, traffic, air con going, you name it.

Temp stayed exactly where it should be... :JEEPIN:

Did you drill an extra hole in it? I got one for my wife's jeep and it already had a really small hole, so I didn't drill it out. Just dropped it in and ran it. No hot temp or mountain driving yet, but it stays 1/2 tick left of center, and no temp spikes.

Yes, 1/8th hole.

ibedonc · **Joined:** Mon Feb 12, 2007 2:40 pm **Posts:** 236

my 06 has the stant 195 now and it is work great , my 05 is next , wife took the 06 to kalamazoo, mi 1400 miles no problem

i put a 1/32 hole in mine

SC RIGGR · **Posted:** Sun Jan 15, 2012 11:05 pm

I tried to find a stant locally. One store crossed to a Federated (MotoRad) 237-192 and had it in stock. The thermostat and clamp were under 15$. This has a jiggler already installed so no drilling was needed! Our CRD has been running cool, around the quarter mark. Now on my test drive it goes to just left of center, and has a nice toasty heater. The mileage has been 21-22, it has a full tank and I will monitor to check for improvement. I think the fan is the next project as it seems to grumble and squeal a bit on startup. Here is the pic link: http://imageshack.us/photo/my-images/21/1013026.jpg/ [IMG=http://img21.imageshack.us/img21/8193/1013026.jpg][/IMG]

Uploaded with ImageShack.us

Update: Mileage has come up to solid 24mpg w in town driving

MainstreaM · **Posted:** Mon Jan 16, 2012 3:42 am

Just to give an update on mine. I drove down to the Florida Keys after Christmas and stayed a week there and a week in Sarasota (mom's house). Had absolutely no issues through 2500 miles of driving with a wide range of temperatures anywhere from just above freezing when I left to 88 degrees when I got there. It gets to the halfway mark, which is around 190 degrees on torque, and stays there. I left work the other day and it was 19 degrees out, heated up to 190ish about half mile from the plant despite the frigid temps.

Kane

MRausch82 · **Posted:** Mon Jan 16, 2012 3:08 pm

$10.84/shipped from Rock Auto after a 5% discount... worth it to try for me. My wife's CRD has been running cool for a while, and with her driving 120 miles a day, I am sure the MPG has been affected. This will hold me until I can get the funds to replace the thermostat assy. Does anyone have pictures of the install or where they drilled the hole?

MRausch82 · **Posted:** Thu Jan 19, 2012 12:51 pm

My thermostat arrived today from RA! :BANANA:

It is an interesting looking thing that was made in France. I'll try to get it installed tonight when the wife gets home, if not, it'll be Saturday. I drilled a 1/16" hole in it as that was the best I had. Hopefully that'll be enough. I am thinking about changing the coolant as well since its never been done to my knowledge. Any suggestions or instructions on how to change it? Is there a petcock? I did a search, but did not find much info... perhaps I am missing it. Thanks!

papaindigo · **Posted:** Thu Jan 19, 2012 1:06 pm

Read thru my posts at viewtopic.php?f=5&t=64339&p=711030&hilit=coolant#p711030 and the links those posts point to including secondary links. Should cover all you need to know and more.

in hose thermostat -(no housing)

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