Fuel Systems - Rattle
NO.: 14-14-94GROUP: Fuel
EFFECTIVE DATE 1993 M.Y.: Aug. 15, 1994
1994 M.Y.: Jul. 8, 1994
SUBJECT:
Fuel System Rattle
MODELS:
1993 - 1994 (LH) Concorde/Intrepid/Vision
NOTE:
THIS BULLETIN APPLIES TO VEHICLES EQUIPPED WITH A 3.3L ENGINE.
SYMPTOM/CONDITION:
Rattle sound on passenger side at instrument panel that begins at engine start-up and may last up to 3 minutes; may also be intermittent. Sounds like fuel lines rattling against body, even though lines are properly secured. Condition primarily present on cold starts with ambient temperatures below 70 degrees F. This noise will disappear when engine warms up.
Noise is actually hydraulic sounds from the fuel system being transmitted into the body at the dash panel area.
DIAGNOSIS:
Verify that the fuel line bundle is securely clipped to the body. Clips are located at the steering gear crossmember (passenger side) and under the body along the fuel lines. Proceed with the repair procedure.
PARTS REQUIRED:
1 4796515 Fuel Rail Assembly 1993 Models
1 4778215 Bracket 1993 Models
1 4663929 Fuel Rail Assembly 1994 Models
1 4765016 Bracket 1994 Models
1 4483619 Intake Plenum Gasket
1 5277723 EGR Tube Gasket
1 4418903 Pressure Regulator "O" Rings
REPAIR PROCEDURE:
This bulletin involves replacing the fuel rail assembly.
Replace the fuel rail assembly as described on page 14-67 of the 1994 Concorde/Intrepid/Vision/LHS/New Yorker Service Manual (Publication No. 81-270-4140).
NOTE:
THE APPROPRIATE NEW MOUNTING BRACKET MUST BE USED WHEN INSTALLING A NEW FUEL RAIL
IF THE FUEL PRESSURE REGULATOR AND O-RINGS ARE NOT PROPERLY TRANSFERRED TO THE NEW FUEL RAIL, A LOSS OF FUEL PRESSURE WILL RESULT. WHEN REMOVING THE FUEL PRESSURE REGULATOR, THE O-RINGS MAY REMAIN ATTACHED TO THE REGULATOR. THEY MUST BE REMOVED FROM THE REGULATOR AND SEPARATELY INSTALLED INTO THE FUEL RAIL CAVITY. WHEN INSTALLING O-RINGS, APPLY A LIGHT COAT OF CLEAN ENGINE OIL AND SEAT THEM INTO THE CAVITY BEFORE INSERTING THE REGULATOR.
POLICY: Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
Labor Operation No: 14-70-14-93 1.1 Hrs.
FAILURE CODE: P8 - New Part