Engine - Oil Leak From The Oil Separator

09-022

August 27, 2009

Applies To:
2008 Civic 2-Door - ALL Except Si
2008 Civic 4-Door - ALL Except Hybrid and Si

Engine Oil Leak From the Oil/Air Separator

(Supersedes 09-022, dated March 26, 2009, to revise the information marked by the black bars and asterisks)

*REVISION SUMMARY

Under PARTS INFORMATION, the part number for the Set Ring (Axle Clip) (M/T) was changed.*

SYMPTOM

The oil/air separator is leaking engine oil.

PROBABLE CAUSE

There is inadequate sealant on the oil/air separator.

CORRECTIVE ACTION

Remove the oil/air separator, clean its sealing surfaces, then reseal and reinstall it.

REQUIRED MATERIALS

Hondabond HT Silicone Gasket:
P/N 08718-0004, H/C 8263386
(One tube repairs about 15 vehicles.)





PARTS INFORMATION

WARRANTY CLAIM INFORMATION

In warranty:
The normal warranty applies.

Operation Number: 1110A5

Flat Rate Time: 1.7 hours

Failed Part: P/N 11850-RNA-A00
H/C 8045239

Defect Code: 07407

Symptom Code: 05101

Skill Level: Repair Technician

Out of warranty:
Any repair performed after warranty expiration may be eligible for goodwill consideration by the District Parts and Service Manager or your Zone Office. You must request consideration, and get a decision, before starting work.

DIAGNOSIS

Clean the leakage area with a shop towel. Start the engine, and look for a new leak in the area.

^ If you see a new oil leak, go to REPAIR PROCEDURE.

^ If you see no signs of leakage, what looked like a leak may have been excess residue from a previous repair on another part. Continue with normal troubleshooting.

REPAIR PROCEDURE

1. Remove the right driveshaft:

NOTE:
The transmission fluid does not need to be drained.

^ Refer to page 16-4 of the 2006-2009 Civic Service Manual, or

^ Online, enter keyword DRIVESHAFT, and select Driveshaft Removal from the list.





2. Remove the intake manifold bracket.





3. Remove the oil/air separator from the side of the engine block.

4. Carefully clean the oil/air separator and the block surfaces of old sealant, and allow the surfaces to dry.

5. Apply Hondabond HT to the oil/air separator following the time limits in the directions on the tube.

6. Reinstall the oil/air separator.

7. Reinstall the intake manifold bracket.

8. Reinstall the right driveshaft.

NOTE:
Wait 3 hours before starting the engine to allow time for the Hondabond HI to cure.

9. Check the transmission fluid level, and add more if needed.