Engine - Excessive Oil Pressure
NO: 09-12-95GROUP: Engine
DATE: Jun. 16, 1995
SUBJECT:
Excessive Engine Oil Pressure
MODELS:
1995 (AB) Ram Van/Wagon
1995 (AN) Dakota/Dakota Cab & Chassis
1995 (BR) Ram Truck
1995 (ZJ) Grand Cherokee
NOTE:
THIS BULLETIN APPLIES TO VEHICLES EQUIPPED WITH 3.9L, 5.2L AND 5.9L ENGINES.
SYMPTOM/CONDITION:
The engine may exhibit excessively high oil pressure at cold start up. This may lead to distortion of the oil filter casing.
DIAGNOSIS:
Inspect the oil filter case for any signs of distortion. if the case is distorted, perform the repair procedure. Connect an oil pressure gauge to the engine and start the engine while observing the readings. if the pressure reads above 80 psi, perform the repair procedure. This test must be performed with a cold engine. The vehicle must be left over night to allow it to cool completely.
PARTS REQUIRED:
1 53009295 Oil Pump
1 53005646 Oil Pan Gasket (3.9L)
1 53005650 Oil Pan Gasket (5.2L)
1 53008610 Oil Pan Gasket (5.9L)
1 5281090 Oil Filter
REPAIR PROCEDURE:
This bulletin involves replacing the oil pump.
1. Using the procedures outlined in the appropriate Service Manual, replace the oil pump.
2. Replace the oil filter.
3. Add oil to the engine as required.
3. Start the engine and verify correct oil pressure.
POLICY: Reimbursable within the provisions of the warranty.
TIME ALLOWANCE:
Labor Operation No: 09-65-01-92 Inspect Oil Filter 0.2 Hrs.
09-65-01-93 Oil Pressure Test (AB,AN,BR,ZJ) 0.2 Hrs.
(AB) 0.3 Hrs.
09-65-01-94
Oil Pump-Replace (AB) 1.7 Hrs.
Oil Pump-Replace (AN) 2WD 1.9 Hrs.
Oil Pump-Replace (BR) 2WD/4WD 1.1 Hrs.
Oil Pump-Replace (ZJ) 2.0 Hrs.
OPTIONAL EQUIPMENT
4X4 (AN) 1.5 Hrs.
Skid Plate (ZJ) 0.3 Hrs.
3.9L (AB) 1.1 Hrs.
FAILURE CODE: P8 - New Part