Engine Lubricating System - Dodge D250 1990 Service Manual

Base Engine Components Engine Lubricating System
DODGE Turbo Diesel Page 9B-1
Engine Lubricating System
Section 9B
Contents
Subject Page
Lubricating System Row 9B-2
Lubricating Oil Pump 9B-2
Pressure Regulating Valve — . . . . — . . . 9B-2
Lubrication for the Turbocharger — . . 9B-3
Oil Coolers 9B-3
Oil Filters 9B-3
Oil Filter Bypass Valve 9B-3
Lubrication for the Power Components . . . . . 9B-4
General Description of Oil Flow — 9B-4
Lubrication for the Overhead • — . . 9B-5
Diagnosing Lubricating System Malfunctions 9B-6
High Oil Pressure 9B-6
Oil Pressure Regulating Valve 9B-6
Low Oil Pressure 9B-6
OilLevel 9B-6
Oil Filter 9B-7
Oil Gauge 9B-7
Oil Suction Tube 9B-7
Bearings and Oil Pump — 9B-7
Oil Dilution 9B-8
Coolant Diluted Oil 9B-8
Fuel Diluted Oil 9B-9
Injection Pump Shaft Seal 9B-10
Fuel Leakage by the Rings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9B-11
Lift Pump Leakage 9B-12
Cylinder Head Leakage 9B-12
Oil Leaks 9B-12
Lubricating Oil Level - Check 9B-13
Lubricating Oil and Filter - Change . . . . . — 9B-14
Lubricating System Replacement Procedures 9B-16
Oil Pressure Regulator Valve and/or Spring - Replacement 9B-16
Oil Pressure Regulator Spring 9B-17
Replacement of the Filter Bypass Valve 9B-17
Oil Cooler Element and/or Gasket - Replacement — . . . . . 9B-18
Oil Pan, Suction Tube and/or Gaskets - Replacement 9B-20
Oil Pump - Replacement 9B-22
Remove the Lubricating Oil Pump 9B-23
Installing the Lubricating Oil Pump . . . . 9B-26
Gear Cover - Installation — 9B-27
Cup Plugs - Replacement — . — 9B-30
Lubricating Oil Viscosity Recommendations — 9B-32
Lubricating Oil, Arctic Operation 9B-32
Lubrication System Specifications - Dodge Ram 5.9 Liter Diesel 9B-32