- The fluid/pressure is too high.
- The crankcase ventilation system is malfunctioning.
- The seal bore is damaged, scratched, burred, or nicked.
- The seal is damaged or worn.
- Improper installation is evident.
- There are cracks in the component.
- The shaft surface is scratched, nicked, or damaged.
- A loose or worn bearing is causing excess seal wear.
Contents
Section: Mechanical- Fastener Tightening Specifications
- Engine Mechanical Specifications
- Diagnostic Starting Point - Engine Mechanical
- Strategy Based Diagnostics
- Visual/physical Inspection
- Intermittent
- Symptom List
- Oil Pressure Diagnosis and Testing
- Oil Leak Diagnosis
- Finding the Leak
- Powder Method
- Black Light and Dye Method
- Repairing the Leak
- Gaskets
- Seals
- Oil Consumption Diagnosis
- Coolant in Combustion Chamber
- Coolant in Engine Oil
- Engine Noise Under Load
- Engine Noise on Start-Up, but Only Lasting a Few Seconds
- Base Engine Misfire Without Internal Engine Noises
- Base Engine Misfire with Abnormal Internal Lower Engine Noises
- Base Engine Misfire with Abnormal Valve Train Noise
- Base Engine Misfire with Coolant Consumption
- Base Engine Misfire with Excessive Oil Consumption
- Upper Engine Noise, Regardless of Engine Speed
- Lower Engine Noise, Regardless of Engine Speed
- Engine Will Not Crank - Crankshaft Will Not Rotate
- Engine Compression Test
- Diagnostic Aids
- Test Description
- Drive Belt Tensioner Diagnosis
- Removal Procedure
- Installation Procedure
- Special Tools
- Timing Belt Replacement
- Adjustment Procedure
- Automatic Transmission Flex Plate Replacement
- Engine Flywheel Replacement
- Inspection Procedure
- Engine Replacement
- Camshaft Cleaning and Inspection
- Measurement
- Determine Replacement Tappet Size
- Valve Stem Oil Seal and Valve Spring Replacement
- Valve Spring Inspection and Measurement
- Valve Inspection Procedure
- Disassemble Procedure
- Assemble Procedure
- Abbreviations
- Airbag
- Anti-Lock/traction Control
- Automatic HVAC System
- Automatic Trans
- Basic Trouble Shooting
- Body Electrical
- Brakes
- Cabin Air Filter
- Charging System
- Check Lists
- Clutches Manual & Hydraulic
- Communication Devices
- Cooling System (Mechanical)
- Cruise Control Systems
- Diagnostic Connector Locations
- Differentials & Drive Axles
- Door Locks & Anti-Theft Systems
- Drive Cycles
- Driveline/axles
- DTC Index
- Electrical Component Locations
- Emission Applications
- Engine
- Engine Performance
- Entertainment Systems
- Exhaust
- Exterior Body Panels
- Exterior Lights
- Exterior/interior Trim
- Frames, Subframes & Crossmembers
- Fuses & Circuit Breakers
- Gauges & Instrument Panels
- Heated Glass/defoggers
- Hoist/jack
- Horns
- Identification
- Ignition Switch/steering Lock
- Lubrication System
- Manual & Power Steering
- Manual HVAC System
- Manual Trans
- MAP Guidelines
- Mechanical
- Mechanical - Hydraulic
- Memory Modules
- Metric Conversions
- Mirrors
- Mode 6
- Oem General Information
- Paint/coatings
- Parking Brake System
- Reset Procedures
- Restraints Control Systems
- Seats
- Specifications
- Steering
- Steering Column Switches
- Sun Roof/t-Top/convertible Top
- Suspension Front
- Suspension Rear
- Testing & Diagnostics
- Traction Control Disable
- Transmission
- Warning System
- Wheel & Tire System
- Wheel Alignment
- Wiper/washer Systems
- Wiring Systems and Power Management - Component Views (3 of 3) and Component Connector End Views
- Wiring Systems and Power Management - Introduction