Jeep Engines - Oljeep

CONTENTSiContentsIntroductionWELCOME .............................. 3OVERVIEW ............................. 3Chapter 1: Jeep HistoryJEEP HISTORY............ 7............ 7.................... 10The Great Out .................... 11Beyond the Quad ..................... 12Kaiser-Jeep .......................... 13Birth of the Sport Utility Vehicle ...... 15American Motor Corporation (A ...... 161984 Cherokee Redefines the SUV ........ 18Enter the Wrangler ..................... 20Chrysler Corporation Buys AMC ......... 21DaimlerChrysler and Beyond ............ 23Additional Jeep Information ............. 24Chapter 2: 2.5L Power Tech In-line 4IntroductionBlock2.5L ENGINE GENERALSPECIFICATIONS ............ ........ 27DISASSEMBLY AND ASSEMBLYPROCEDURES ........... 29Crankshaft........... 30Cylinder Bore Reconditioning ............ 31Short Block Assembly .................. 32INTRODUCTION ....................... 33CRANKSHAFT MAIN BEARINGS ......... 33Removal ........... . . 33............. 34.................... 34Main Bearing-to-Journal ClearanceCrankshaft Installed .................... 34Main Bearing Journal DiameterCrankshaft Removed ................... 35Installation ........ ......... 35Crankshaft End Play ................... 36ENGINE DAMPER ....................... 36Removal ............................ 36Installation ........................... 36VIBRATION DAMPER .................... 37Removal ............................ 37Installation .......................... 37TIMING CASE CRemoval ...Installation ........................... 38TIMING CHAIN AND SPROCKETS ......... 39Removal ............................ 39Installation .......................... 39TIMING CASE COVER OILSEAL REPLACEMENT ................... 40Timing Case Cover Removed ............ 40Timing Case Cover Installed ............. 41REAR MAIN OIL SEAL ................... 41Removal ...... .................. 41Installation ........................... 41Connecting RodsINTRODUCTION ........................ 42BASIC PREPARATION ................... 42RODRATIO . . ............ 42INSPECTION ........................... 42MEASURING BEARING-TO-JOURNALMEASURING SIDE CLEARANCE ........... 44Pistons and RingsPISTONS ................ ........... 45Piston Fitting (Non-Coated PPiston Fitting (Coated Pistons Only) ....... 45PISTON AND CONNECTING RODASSEMBLY ............................ 46Removal ............................ 46Installation .......................... 47Piston Ring Fitting(Non-Coated Pistons Only) .............. 48Piston Ring Fitting (Coated Pistons Only) . . SORing Gap Orientation ................ soPISTON PIN ........................... 51Removal . ................... 51Inspection ........................... 51Installation ........................... 5244.. ..T ..ll 1.