eot at 236 ect at 220 is this to high?
Senior User
Joined: Apr 2006
Posts: 345
Likes: 0
From: Oregon
To tell you the truth, they did the flush when she got the Oil/EGR cooler/EGR Valve replaced. So i cant tell you how long the flush took. No new T Stat install. And Whats the difference of using mineral water vs distilled water in a cooling system? (dumb quest lmao)
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Thread Starter
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Freshman User
Joined: Mar 2011
Posts: 47
Likes: 0
Man sense I have black floaties in the coolant now you got me wondering if the tech did mine right. aaaaaaaahhhhhh what should I do flush it and try to get the black specks out before I put on the filter or what?
Senior User
Joined: Apr 2006
Posts: 345
Likes: 0
From: Oregon
The name of the game is fliter-filter-filter
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Post Fiend
Joined: Sep 2005
Posts: 5,955
Likes: 9
From: Ohio
Im gonna have to go up to my dealership when im not workin. The truck tows 5-7k daily. EOT/ECT are between 200-208 empty with a spread no more then 5 deg. Towin EOT/ECT are 208-215 with a spread no more then 5 or 6 deg. 75 deg outside humid temps and thats all city driven. Just checkd my degas bottle and its full with no black specks in the coolant
Senior User
Joined: Apr 2006
Posts: 345
Likes: 0
From: Oregon
Im gonna have to go up to my dealership when im not workin. The truck tows 5-7k daily. EOT/ECT are between 200-208 empty with a spread no more then 5 deg. Towin EOT/ECT are 208-215 with a spread no more then 5 or 6 deg. 75 deg outside humid temps and thats all city driven. Just checkd my degas bottle and its full with no black specks in the coolant
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Junior User
Joined: Feb 2010
Posts: 59
Likes: 0
I'm going to this: Ocean State Oil Inc. A case of 6 gal Delo ELC for $95.42 can be picked up at that time. Any one else want to go just call and make a reservation.
Senior User
Joined: Apr 2006
Posts: 345
Likes: 0
From: Oregon
I'm going to this: Ocean State Oil Inc. A case of 6 gal Delo ELC for $95.42 can be picked up at that time. Any one else want to go just call and make a reservation.
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Post Fiend
Joined: Sep 2005
Posts: 5,955
Likes: 9
From: Ohio
I know my spread doesnt look bad. But im just worried about my temps. ECT are past servere. lol
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Lead Driver
Joined: Nov 2007
Posts: 5,139
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Your temps look great for the conditions.
I've seen 232* ECT while pulling into a headwind, during the summer.
Senior User
Joined: Apr 2006
Posts: 345
Likes: 0
From: Oregon
89*c and 104*c this comes out to
89*c=192.2*F starts to open 104*c=219.2*F fully open
so most of the time the t/statis not fully opened
These numbers are right off the stock t/stat
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Senior User
Joined: Jun 2004
Posts: 216
Likes: 0
From: Gig Harbor, WA
So, I am pretty much with everyone else. Temp spread is such that flush is in order and new t-stat with elc. In reading about Restore it states to "back-flush" the system which, I would think, might help the oil cooler if not completely blocked? How does one back-flush this cooling system? thx, gm.