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Old 08-09-2009, 03:16 PM   #1
univmd
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Join Date: May 2009
Posts: 62
Default How much does YOUR engine temperature fluctuate?

Newbie here and am wondering if it is normal for engine temperature on diesel pusher to fluctuate more than a car.

On my DP, the engine temp guage is divided into 4 quarters rather than having actual temperatures stamped on. The needle fluctuates between 1/2 and 3/4 on my DP. (On my car, the needle stays still in the center)

At 3/4, I can hear the radiator fan turn on until the needle goes back down to 1/2. The needle then climbs back up to 3/4 (over about 10 minutes) before the fan cycles on again. This is at 65 mph. Is this normal, how much does YOUR engine temp fluctuate-cycle?

With warm regards, James
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