Chrysler — Radiator Cleaning
Maintenance
From a Chrysler operator's manual covering: IND. 30, IND. 31, IND. 32, IND. 33, IND. 908A, IND. 931. Check it applies to your exact model before use.
Procedure
- Drain cooling system and refill with clean SOFT water and Mopar Cooling System Cleaner (No. 1 Top-Compartment).
- Run engine at fast idle for 1/2 to 3/4 hour.
- Drain and refill with clean water.
- Pour conditioner (No. 2 bottom-compartment) into radiator and run engine at least ten minutes.
- Flush until soft water runs clean.
- Refill radiator with clean SOFT water.
- Use Mopar Radiator Rust Inhibitor during summer months.
Source: Chrysler operator's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.