2011 Nissan crew cab 4.4 with towing package. A years ago I was advised to change the radiator because the trans cooler was in the radiator. Saying that cooler would eventually leak and put water in the transmission. So, I ordered what was supposed to be an upgrade to fix that problem. It failed and put water in the transmission. Just picked my truck up today, bill was 4235.00. The truck has an external cooler so the transmission shop only hooked it up. Kept my fluid out of the radiator. Imagine that, someone thought a good idea to cool xmission fluid in a hot radiator. Would warm the xmission up fast, but look at the problem it caused. And no recall even though Nissan knew about the problem.