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Coolant Leak at Upper Radiator Hose (Replace Hose)

Subject:Coolant Leak At Upper Radiator Hose (Replace Hose)

Models:2006 Cadillac DTS



Condition

Some customers may comment on a coolant leak. Technicians may find a coolant leak at the radiator inlet (upper) hose where the hose attaches to the radiator.

Cause

This condition may be caused by a nylon tracer thread inside the hose that may cut through the inner layer of the hose during the hose manufacturing process.

Correction

Do This

Don't Do This

Replace the radiator inlet hose.

Don't replace or reposition the radiator hose clamps.

Technicians are to replace the radiator inlet hose with P/N 21999689. Refer to the Radiator Inlet Hose Replacement procedure in the Engine Cooling section of SI for more information.

Parts Information

Part Number

Description

Qty

21999689

Hose Assembly - Radiator Inlet

1

Warranty Information

For vehicles repaired under warranty, use:

Labor Operation

Description

Labor Time

J3362

Hose, Engine Coolant - Upper -- Replace

Use Published Labor Operation Time