Attachment IIIA - A-Coolant Test Instructions

SERVICE PROCEDURE

1. Open hood.

2. Remove coolant recovery bottle cap.

3. Run engine until normal operating temperature (thermostat open) is reached.

4. Insert supplied glycol tester (Thexton 106) into coolant recovery bottle.





5. Fill tester to level shown in Figure 1.





^ If five (5) or less discs float, refer to Figure 2, no service action is needed. Return vehicle to customer.

^ If all six (6) discs float, indicating "NOT SAFE" glycol condition, see Figure 2, call Recall Hotline at 1-800-325-5621 to order cylinder head kit. Perform cylinder head replacement, when kit arrives.