If your Torque Converter is unlocked, you are going to get higher TFT readings than you will with it locked. If the higher readings were observed during your "playing" at the parking lot, I'd say this was normal. You're spending a lot of time in low gears with the transmission doing quit a bit of shifting. This is more stressful than a "cruise" condition to the parking lot. And, it will take a bit of time for the TFT to come up if you start out with a cold truck.
When I had my smaller truck, I could see the engine temp really go up quickly if I spent any time mucking around in low gears doing any "backing and forthing". Since there's little forward speed, there's nothing except the radiator fan to cool things off.
- Jack
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Mon, July 13th, 2009, 10:48 AM
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