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  1. #11

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    Quote Originally Posted by RayVoy View Post
    I think one of the differences is an engine oil cooler built into the rad. It is like the transmission cooler, one is on the left side of the rad, the other cooler is on the right side.

    I don't know if it's thicker. I can measure mine (I have the heavy duty trailer option), if someone wants to check the rad in a truck without HD.
    Ray, yeah, pls tell me the thickness of yours. I will compare to mine. It would be great if someone without the towing package could measure the thickness of theirs. Thanks in advance.

    Also, are you sure the engine oil cooler is built into the rad? I hope not... Would that mean that three different fluids are cooled via the rad (coolant, ATF and oil)? That's asking for trouble if it fails.

  2. #12

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    Quote Originally Posted by yogi799 View Post
    Also, are you sure the engine oil cooler is built into the rad? I hope not... Would that mean that three different fluids are cooled via the rad (coolant, ATF and oil)? That's asking for trouble if it fails.
    The oil cooler is a coil inside one of the side tanks of the rad. I think the transmission oil cooler is in the passenger side tank and the engine oil cooler is in the driver's side tank.

    Is it "asking for trouble if it fails"? One side may fail, but both would not, risk no higher than using a rad with one cooler. The rad is a very efficient method of cooling.
    Ray

    '09 Avalanche LTZ - Black
    '05 Envoy XL (sold)

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