Engine Controls - Oil Temperature Sensor Oil Leaks

Group
ENGINE MECHANICAL

Number
09-EM-005

Date
JULY, 2009

Model
2006-2009 3.3L SONATA (NF)
2007-2009 3.3L SANTA FE (CM)

Subject
ENGINE OIL TEMPERATURE SENSOR LEAK DIAGNOSIS

This Technical Service Bulletin supersedes 08-EM-003 to revise the Warranty Information section.

DESCRIPTION:

If a vehicle equipped with a 3.3L engine exhibits an oil leak at the oil temperature sensor, follow the repair procedure outlined in this bulletin.

APPLICABLE VEHICLES:
Models: Santa Fe and Sonata models equipped with the 3.3L V6 engine

INSPECTION PROCEDURE:





Verify the oil leak is from the oil temperature sensor threaded area. Use of florescent dye or baby powder can be used to isolate the source of the leak.

TOOLS & MATERIALS REQUIRED:

^ 19MM Deep Socket

^ Torque Wrench

^ Permatex(R) High Temperature Thread Sealant (#56521) or equivalent

SERVICE PROCEDURE:

IMPORTANT:
Allow the engine to cool down enough to prevent injury.

1. Remove oil temperature sensor following the appropriate service manual.

2. Clean off any loose residue from the sealing threads of the oil temperature sensor.

3. Wipe clean the oil port and surrounding areas of the cylinder head.

4. Apply a small amount of Permatex(R) High Temperature Thread Sealant (#56521) or equivalent to the oil temperature sensor threads.

NOTE:
Follow the appropriate application directions of the sealant product to allow sufficient curing time before reassembly.

5. Reassemble the oil temperature sensor and torque to 22 lb-ft (30Nm).

6. Start engine to verify repair.





WARRANTY INFORMATION