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#1
10-26-2008, 06:02 PM
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Bad T-stat?
The T-stat I have was replaced about 12 -16 mo ago. It was purchased from the local MB dealer parts counter. I just replaced my water pump today, used the *old* T-stat then filled the system with ZEREX G05 coolant/distilled water. Part of that procedure was to take the upper hose loose and pour it full - trying to rid it of trapped air.
The "problem": temp gauge needle parks between 80C and the next higher mark (100C?) - somewhat closer to the higher side. The upper hose is *hot* and all the heater related hoses are *hot* BUT the lower radiator hose is very *cool*. Anything to be concerned about? First thought I had was that the T-stat must be bad? 
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Dale 1995 E320 Wagon 185K [SOLD] 1988 260e Sedan 165K 2007 F-150 XLT 188K [SOLD] 2003 Harley Davidson FLTRI Anniversary 26K ----------------------------- 2006 BMW 330Ci 110K - [SOLD]
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#2
10-26-2008, 06:20 PM
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ARe you sure you got it back in the right way and got all the air out of the system?
It seems as if it worked fine before it should work fine now.....otoh if you got the engine hot it could damage the stat too.
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.  [SIGPIC]..I also have a 427 Cobra replica with an aluminum chassis.
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#3
10-26-2008, 06:27 PM
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Quote:
__________________
Dale 1995 E320 Wagon 185K [SOLD] 1988 260e Sedan 165K 2007 F-150 XLT 188K [SOLD] 2003 Harley Davidson FLTRI Anniversary 26K ----------------------------- 2006 BMW 330Ci 110K - [SOLD]
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#4
10-26-2008, 10:08 PM
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It still could be air in the system.
__________________
[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual. [SIGPIC]..I also have a 427 Cobra replica with an aluminum chassis.
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#5
10-26-2008, 10:45 PM
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Quote:
I have driven it some this evening and still the temp never got to the 100C mark and the lower hose was very cool and top one pretty hot?  If it is trapped air, will it work its way out on its own?
__________________
Dale 1995 E320 Wagon 185K [SOLD] 1988 260e Sedan 165K 2007 F-150 XLT 188K [SOLD] 2003 Harley Davidson FLTRI Anniversary 26K ----------------------------- 2006 BMW 330Ci 110K - [SOLD]
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#6
10-26-2008, 10:49 PM
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Loosen the cap about 30 min after shutdown to burp it. Top it off as needed. After 2 or 3 days most of the air will work its way out.
__________________
Palangi 2004 C240 Wagon 203.261 Baby Benz 2008 ML320 CDI Highway Cruiser 2006 Toyota Prius, Saving the Planet @ 48 mpg 2000 F-150, Destroying the Planet @ 20 mpg TRUMP .......... WHITEHOUSE HILLARY .........JAILHOUSE BERNIE .......... NUTHOUSE 0BAMA .......... OUTHOUSE
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