Repair of Engine Oil Leaks from Upper to Lower Crankcase Joint (Refer to Corporate Bulletin Number 03-06-01-027). Cadillac Concours 1994

For 1990-2009 cars

# Repair of Engine Oil Leaks from Upper to Lower Crankcase Joint (Refer to Corporate Bulletin Number 03-06-01-027)

Subject: | Repair of Engine Oil Leaks From Upper to Lower Crankcase Joint (Refer to Corporate Bulletin Number 03-06-01-027)

Models: | 1993 Cadillac Allante

| 1994-1996 Cadillac Concours, Eldorado, Seville

| 1996 Cadillac DeVille

| 1995-1996 Oldsmobile Aurora

| with 4.0L or 4.6L Engine (VINs C, Y, 9 -- RPOs L47, LD8, L37)

This bulletin is being revised to update the Correction information. Please discard Corporate Bulletin Number 99-06-01-019 (Section 06 - Engine).

### Condition

Some engines may exhibit engine oil leaks along the upper to lower crankcase joint.

### Cause

This condition may be caused by scratches, nicks and imperfections in the upper and/or lower crankcases

### Correction

If the vehicle exhibits the condition listed above, refer to Corporate Bulletin Number 03-06-01-027 for the repair procedure.