KNOWN INFO - TM-9-2320-365-34-1

/.5tonv1-2/TM-9-2320-365-34-1 M1078 Series 2-1/2-Ton 4x4 Light Medium Tactical Vehicles (LMTV) Manual
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TM 9-2320-365-34-1 2-16 NO YES NO YES Oil pressure may be low if there is suction loss or air leakage into oil pump. Is oil pickup tube bolted securely to engine block and free from restrictions or damage? Oil Pump Pickup Tube Inspection Oil Pressure Relief Valve Inspection Oil pressure may be low if plunger inside relief valve is sticking or oil pump is damaged. 2. Engine oil level OK. Oil pressure gage OK. Engine oil filter and oil lines OK. Sending unit OK. Rocker arms and push rods OK. Plugged, damaged or loose oil pickup tube. Faulty oil pressure relief valve. Faulty oil pump. 3. Engine oil level OK. Oil pressure gage OK. Engine oil filter and oil lines OK. Sending unit OK. Rocker arms and push rods OK. Oil pump pickup tube OK. Faulty oil pressure relief valve. Faulty oil pump. Is oil pressure relief valve functioning properly or oil pump free of damage? KNOWN INFO POSSIBLE PROBLEMS TEST OPTIONS REASON FOR QUESTION Secure oil pump pickup tube if loose, clear restrictions and replace oil pump pickup tube if damaged (para 3-17). KNOWN INFO POSSIBLE PROBLEMS TEST OPTIONS REASON FOR QUESTION Replace oil pump (para 3-17). Replace engine (para 3-3). a1. LOW ENGINE OIL PRESSURE (CONT)

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