Engine Compartment - Flutter Noise on Deceleration
NO: 18-27-95GROUP: Vehicle Performance
DATE: Aug. 18, 1995
SUBJECT:
Flutter Noise From
Engine Compartment
THIS BULLETIN SUPERSEDES TECHNICAL SERVICE BULLETIN 18-28-94, DATED DEC. 23, 1994, WHICH SHOULD BE NOTED IN THE 1994 TECHNICAL SERVICE BULLETIN MANUAL (81-699-95054). THE AIR FILTER HOUSING NO LONGER CONTAINS A GREEN MARK. THE CHANGE IS MARKED WITH **ASTERISKS**.
MODELS:
1994 - 1995 (BR) Ram Truck
NOTE:
THIS BULLETIN APPLIES TO VEHICLES EQUIPPED WITH AN 8.0L ENGINE.
SYMPTOM/CONDITION:
Flutter noise emitted from the engine compartment on closed throttle decelerations/light acceleration between 1500 to 1800 RPM.
DIAGNOSIS:
Test drive vehicle steadily accelerating. Take foot off throttle and listen for flutter or popping noise. If noise is found, perform repair procedure.
PARTS REQUIRED:
1 4324506 Air Pump - Air Filter Housing
REPAIR PROCEDURE:
This bulletin involves the replacement of the existing air pump. ** The air filter housing is no longer marked with a green mark on the main part label, all parts are the updated version.**
1. Remove the silencer tube at the housing.
2. Remove the air inlet tube at the housing.
3. Remove the rubber cap.
4. Remove the mounting bracket strap bolt.
5. Note the position of the tube fittings before removing filter housing assembly from bracket. Gently bend the strap and remove filter housing assembly.
6. Install the air filter housing assembly to the mounting bracket.
7. Install and tighten strap bolt.
8. Install air inlet tube, silencer tube and cap at filter housing.
POLICY: Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
Labor Operation No: 25-01-08-90 0.2 Hrs.
FAILURE CODE: P8 - New Part