2012 Maxforce 7 - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 6 (permalink) Old 04-18-2019, 12:56 AM Thread Starter
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2012 Maxforce 7

Hi everyone. I'm new to the forum and have a few questions about my Terrastar. Great Truck but I have noticed the temp gauge keeps going from 180 to 220. Had a forced regeneration done today but did not help. If I'm going uphill with a load warning light comes on everytime. It is the triangle light. If I'm pulling a trailer i can hear cooling fan come on every 5 minutes or so. Any help would be greatly appreciated. Thanks in Advance. Forgot to mention once I slow down to 60 or so truck will stay at 190 degrees. Faster i go the hotter it gets.
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post #2 of 6 (permalink) Old 04-21-2019, 02:34 PM Thread Starter
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Need Help

Anybody have any ideas?
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post #3 of 6 (permalink) Old 04-22-2019, 09:16 AM
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Check to see if your cooling stack is clean and the condition of your coolant.
When driving on a flat, what temp are you holding? Should be around 190
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post #4 of 6 (permalink) Old 04-25-2019, 01:14 AM Thread Starter
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Holding at 190 on flat road. Go uphill and beats up fast to around 220. Go downhill and cools off to 190 in a minute. Can't figure this one out.
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post #5 of 6 (permalink) Old 04-25-2019, 01:15 AM Thread Starter
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Radiator is clean.
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post #6 of 6 (permalink) Old 05-03-2019, 10:35 AM
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I just noticed your above mention of a forced regen. Your DPF could be getting clogged. What percent is it reading?
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