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Home›Repair guides›Chrysler›Flushing the Cooling System

Chrysler — Flushing the Cooling System

Maintenance

From a Chrysler service manual covering: IND. 5, IND. 6, IND. 7, IND. 8. Check it applies to your exact model before use.

Before you start

  • Do not apply excessive pressure to the system because of damaging radiator.

Procedure

  1. Open radiator drain cock.
  2. Remove water hose from radiator inlet (top).
  3. Remove cylinder head water outlet elbow and thermostat; plug by-pass elbow with a cork.
  4. Remove water hose from radiator outlet (bottom).
  5. Attach hose or flushing gun to engine water outlet elbow at top of cylinder head.
  6. Force water downward through cylinder block until water jacket is cleaned.
  7. Move hose to radiator outlet and force water upward through radiator until cleaned.
  8. Assemble thermostat and hoses, removing cork from by-pass elbow, then check for leaks.

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Source: Chrysler service 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.

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