DeVille DTS V8-4.6L VIN 9 (2002)
Coolant Reservoir: All Technical Service Bulletins
Cooling System - `Low Coolant Level' Message Displayed
File In Section: 06 - Engine/Propulsion System
Bulletin No.: 02-06-123-001
Date: March, 2002
TECHNICAL
Subject:
"Check Coolant Level" Message Appears on Driver Information Center (DIC) and/or Reduced Heating Performance (Add Engine Coolant)
Models:
2001-2002 Cadillac DeVille Built Prior To VIN Breakpoint 2U159731
Condition
Some customers may comment on the following conditions:
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Illumination of the "Check Coolant Level" message on the DIC during a cold start.
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Reduced HVAC performance (the heater is not providing enough heat).
Cause
This condition may be due to an underfill condition of the engine coolant during the vehicle assembly process.
Correction
Caution:
Do not remove the coolant recovery reservoir (surge tank) cap while the cooling system is hot. Serious personal injury may result. Only remove the
cap from a cool engine.
1.
If the vehicle cooling system is NOT leaking and the coolant level is NOT at the proper level:
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Fill the surge tank with a 50/50 mixture of DEX-COOL(TM) coolant and clean drinkable or distilled water until the coolant level is 6.4 cm
(2.5 in) below the base of the surge tank till neck.
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Refer to Engine Coolant in the Service and Appearance Care section of the Owner's Manual.
2.
If the vehicle cooling system coolant level is leaking, perform the standard diagnostic procedures in the Service Manual.
Warranty Information
For vehicles repaired under warranty, use the table.
Disclaimer
