Category: Cars, DIY & Crafts, Technology

The most effective approach targets three areas: the radiator, the water pump, and airflow management. Start by replacing the factory radiator—which features plastic tanks prone to cracking—with a high-quality all-aluminum unit. Options from Mishimoto and Cold Case have proven track records, with owners reporting dramatically lower temperatures even in extreme conditions . One XJ owner in Miami saw his overheating issues vanish completely after installing a Cold Case two-row aluminum radiator . Pair this with a high-performance water pump like the Flowkooler, which uses a billet impeller designed to move more coolant at low engine speeds—precisely when your XJ needs it most during off-road crawling .