Pontiac 10170152 Reservoir Assembly, Coolant Recovery

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One of the most common problems associated with trailer towing is engine overheating. If you have a cooling system without a coolant reservoir, you'll definitely need to get an aftermarket expansion tank kit, preferably one with at least a 2 quart capacity. Another helpful accessory for vehicles using a belt-driven radiator fan is a flex fan. These fans are large diameter units designed to provide more airflow at low speeds, by using fan blades that have deeply cupped surfaces. Aftermarket engine oil coolers are helpful for prolonging engine oil life and reducing overall engine temperatures. An automatic transmission is usually recommended for trailer towing. It is essential, therefore, that you install an automatic transmission cooler. Select a cooler of at least adequate capacity, based upon the combined gross weights of the vehicle and trailer. Cooler manufacturers recommend that you use an aftermarket cooler in addition to, and not instead of, the present cooling tank in your radiator. A transmission cooler can, sometimes, cause slow or harsh shifting in the transmission during cold weather, until the fluid has a chance to come up to normal operating temperature.