1988 Jeep Cherokee Engine Overhaul Procedures

Appeals Procedures – General Information. 1988 Jeep Cherokee. The engine overhaul procedures – General Information. All engines PISTON BLOOD ….

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1988 Jeep Cherokee ENGINE OVERHAUL PROCEDURES, contents:

  • ENGINE IDENTIFICATION
  • INSPECTION PROCEDURES: MAGNETIC PARTICLE INSPECTION, PENETRANT INSPECTION, ULTRASONIC INSPECTION, X-RAY INSPECTION, PRESSURE TESTING
  • CLEANING PROCEDURES: BEAD BLASTING, CHEMICAL CLEANING
  • COMPONENT CLEANING: SHEET METAL PARTS, INTAKE & EXHAUST MANIFOLDS
  • CYLINDER HEAD REPLACEMENT: removal, replacement, VALVE ADJUSTMENT
  • CYLINDER HEAD OVERHAUL: DISASSEMBLY, CLEANING & INSPECTION, VALVE SPRINGS, VALVES & VALVE SEATS, REASSEMBLY, VALVE STEM OIL SEALS, VALVE SPRING INSTALLED HEIGHT, ROCKER ARMS & ASSEMBLIES
  • PISTONS, CONNECTING RODS & BEARINGS: RIDGE REMOVAL, PISTON & CONNECTING ROD REMOVAL, PISTON & CONNECTING ROD, PISTON & CYLINDER BORE FIT, ASSEMBLING PISTON & CONNECTING ROD, CHECKING PISTON RING CLEARANCES, PISTON & CONNECTING ROD INSTALLATION, CONNECTING ROD SIDE CLEARANCE, MAIN & CONNECTING ROD BEARING CLEARANCE
  • CRANKSHAFT & MAIN BEARINGS: REMOVAL, CLEANING & INSPECTION, INSTALLATION, CRANKSHAFT END PLAY
  • CYLINDER BLOCK:BLOCK CLEANING, BLOCK INSPECTION, CYLINDER BORE INSPECTION, CYLINDER HONING, DECK WARPAGE, DECK HEIGHT, MAIN BEARING BORE & ALIGNMENT, EXPANSION PLUG REMOVAL & INSTALLATION, OIL GALLERY PLUG REMOVAL & INSTALLATION
  • CAMSHAFT: CLEANING & INSPECTION, CAMSHAFT BEARINGS, CAMSHAFT INSTALLATION, CAMSHAFT END PLAY
  • TIMING CHAINS & BELTS: TIMING CHAINS, TIMING BELTS, TENSION ADJUSTMENTS
  • TIMING GEARS:TIMING GEAR BACKLASH & RUNOUT
  • REAR MAIN OIL SEAL:INSTALLATION
  • OIL PUMP: ROTOR-TYPE, GEAR TYPE
  • BREAK-IN-PROCEDURE: ENGINE PRE-OILING, INITIAL START-UP, CAMSHAFT, PISTON RINGS, FINAL ADJUSTMENTS

Figures in this manual:

  1. Typical Cylinder Head Tightening or Loosening Sequence
  2. Exploded View of Intake & Exhaust Valve Assemblies
  3. Checking Cylinder Head for Warpage
  4. Checking Valve Spring Squareness
  5. Checking Valve Spring Pressure
  6. Measuring Valve Stem-to-Guide Clearance
  7. Reaming Valve Guides
  8. Typical Valve Guide Remover & Installer
  9. Measuring Valve Head Margin
  10. Adjusting Valve Seat Width
  11. Measuring Valve Stem Installed Height
  12. Measuring Valve Spring Installed Height
  13. Typical Hydraulic Valve Lifter Assemblies
  14. Piston Pin Installation
  15. Checking Piston Ring End Gap
  16. Typical Piston Ring End Gap Positioning
  17. Installing Piston & Connecting Rod Assembly
  18. Measuring Connecting Rod Side Clearance
  19. Measuring Bearing Clearance
  20. Measuring Crankshaft Journal
  21. Measuring Crankshaft Main Bearing Journal Runout
  22. Checking Crankshaft End Play
  23. Measuring Timing Chain Stretch
  24. Timing Gear Mark Alignment
  25. Timing Belt Sprocket Alignment
  26. Timing Belt Tension Adjustment
  27. Installing Typical One-Piece Oil Seal
  28. Typical Rope Seal Installation
  29. Typical Split-Rubber Seal Installation
  30. Typical Rotor Type Oil Pump
  31. Measuring Rotor Clearance
  32. Typical Gear Type Oil Pump
  33. Measuring Oil Pump Gear Cavity
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