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#1
11-29-2006, 03:54 PM
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m103 cooling question
i have a 93' 190E m103 2.6, i just flushed and changed the coolant not more than 3 months ago i used zerex g-05. The car get to operating temp 80C no problem...it stays at 80 most of the time when im driving it, maybe going 5C above or below..however when i am stuck in traffic or at a drive thru the engine likes to warm up to 100C..it doesnt get any hotter it just goes to 100C, as soon as im back on the road it drops to 80C relativly quickly...
is this normal or is somthing wrong here and if so, what can i check? thanks kris
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Cruise Control not working? Send me PM or email (jamesdean59@gmail.com). I might be able to help out. Check here for compatibility, diagnostics, and availability! (4/11/2020: Hi Everyone! I am still taking orders and replying to emails/PMs/etc, I appreciate your patience in these crazy times. Stay safe and healthy!) 82 300SD 145k 89 420SEL 210k 89 560SEL 118k 90 300SE 262k RIP 5/25/2010 90 560SEL 154k 91 300D 2.5 Turbo. 241k 93 190E 3.0 235k 93 300E 195k 
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#2
11-29-2006, 03:58 PM
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It could be your fan clutch is not working properly and engaging the fan when it get hot. Or it might be the radiator. I had one clog up enough that it could not remove the heat from the coolant unless it was at high freeway speeds. Same symptoms as you describe.
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I got too many cars!! Insurance eats me alive. Dave 78 Corvette Stingray - 3k 82 242 Turbo Volvo - Manual - 270k 86 300e 5 speed manual - 210k 87 420sel - 240k 89 560sl - 78k 91 420sel - 205k 91 560sel - 85k 94 GMC Suburban - 90k 97 Harley Davidson Heritage Softail - 25k 00 GMC Silverado 1 ton 30k
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#3
11-29-2006, 03:59 PM
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What T-stat is in there?
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I'm not a doctor, but I'll have a look.  '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]
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#4
11-29-2006, 08:39 PM
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a t-stat...i think... i have no idea...
__________________
Cruise Control not working? Send me PM or email (jamesdean59@gmail.com). I might be able to help out. Check here for compatibility, diagnostics, and availability! (4/11/2020: Hi Everyone! I am still taking orders and replying to emails/PMs/etc, I appreciate your patience in these crazy times. Stay safe and healthy!) 82 300SD 145k 89 420SEL 210k 89 560SEL 118k 90 300SE 262k RIP 5/25/2010 90 560SEL 154k 91 300D 2.5 Turbo. 241k 93 190E 3.0 235k 93 300E 195k
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#5
11-29-2006, 09:42 PM
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I mean what temp?
__________________
I'm not a doctor, but I'll have a look. '85 300SD 245k '87 300SDL 251k '90 300SEL 326k Six others from BMW, GM, and Ford. Liberty will not descend to a people; a people must raise themselves to liberty.[/IMG]
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#6
11-29-2006, 10:02 PM
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100deg in heavy trafic is totally normal.
Don't loose any sleep about this and doN,t spend any money trying to fix a non-existant problem.. This is how the car has been designed. I have the same 2.6 in my car, which acts exactly like your....been doing that since 1991 and 18K when I bought it.
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#7
11-29-2006, 11:39 PM
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Quote:
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#8
11-30-2006, 04:26 AM
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my 500sec had been doing that for a year or so. for some reason i decided it was a little low on coolant and added a quart or two and presto!
it was fixed. i was thinking i needed a radiator soon! tom w
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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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#9
11-30-2006, 02:04 PM
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my coolant is fine last i checked. ill give it another check later today..
__________________
Cruise Control not working? Send me PM or email (jamesdean59@gmail.com). I might be able to help out. Check here for compatibility, diagnostics, and availability! (4/11/2020: Hi Everyone! I am still taking orders and replying to emails/PMs/etc, I appreciate your patience in these crazy times. Stay safe and healthy!) 82 300SD 145k 89 420SEL 210k 89 560SEL 118k 90 300SE 262k RIP 5/25/2010 90 560SEL 154k 91 300D 2.5 Turbo. 241k 93 190E 3.0 235k 93 300E 195k
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