Dexcool coolant booling temp8/6/2023 ![]() This cleaner is in powder form and contains a neutralizer. Save it after performing the repair, as it is reusable.ġ each *Prestone® Heavy Duty Cooling System Cleaner, GM P/N 12346500 - 1 per vehicle. ![]() This kit can be obtained from your local parts supplier and can be used on all vehicles repaired under this procedure. Parts and equipment required/suggested for this correction are listed below.ġ each *Prestone® Flush and Fill Kit #AF-KITP U.S. Vehicles equipped with DEX-COOL® coolant, which may have been operated for extended periods of time with a low coolant level, usually in excess of 32,000 km (20,000 mi), may be susceptible to the formation of a rust-like material in the cooling system.įlush the cooling system using the repair procedures that follow. Some customers may comment that the heater is inoperative, blows cold air, engine may exhibit an overheat condition or the coolant reservoir has rust in it. Please discard Corporate Bulletin Number 99-06-02-012C (Section 06 - Engine). This bulletin is being revised to include additional model years. With 4.3L V6 Engine (VINs W, X - RPOs 元5, LF6) Rust in Cooling System, Heater Inoperative, Blows Cold Air, Engine Overheats (Flush Cooling System)ġ996-2000 Chevrolet and GMC S/T Models (Blazer, Jimmy, Sonoma, S10 Pickup) Rust in Cooling System, Heater Inoperative, Blows Cold Air, Engine Overheats (Flush Cooling System) #99-06-02-012D
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