1990 Chrysler LeBaron Service & Repair Manual

ENGINE page page page page Crankshaft Sprocket Bolt Access Plug .......... 2 Engine Performance ....................... 2 Form-In-Place Gaskets ..................... 1 Honing Cylinder Bores ..................... 2 Hydrostatic Locked Engine .................. 5 Lash Adjuster (Tappet) Noise Diagnosis ........ 4 Measuring Main Bearing Clearance and Connecting Rod Bearing Clearance ................... 3 Repair of Damaged or Worn Threads .......... 4 

CAUTION: Do not overspeed the engine. The higher engine speed may help clean out valve seat deposits which can prevent accurate compression readings. 

CAUTION: Be sure all abrasive are removed from engine parts after honing. It is recommended that a solution of soap and hot water be used with a brush and the parts then thoroughly dried. The bore can be considered clean when it can be wiped clean with a white cloth and cloth remains clean. Oil the bores after cleaning to prevent rusting.  • • • • • Fig. 2 Plastigage Placed in Lower Shell Fig. 3 Clearance Measurement Fig. 1 Cylinder Bore Cross-Hatch Pattern 

CAUTION: Be sure that the tapped holes maintain the original centerline. CAUTION: Do Not Use Starter Motor To Rotate En- gine, severe damage may occur. CAUTION: Squirt approximately 1 teaspoon of oil into cylinders, rotate engine to lubricate the cylinder walls to prevent damage on restart. 

page page Balance Shafts .......................... 45 Camshaft and Crankshaft Timing Procedure .... 34 Camshaft, Crankshaft and Intermediate Shafts Timing Procedure ....................... 20 Camshafts Service ....................... 36 Checking Engine Oil Pressure ............... 60 Crankshaft Oil Seals Service ................ 42 Crankshaft Service ....................... 43 Crankshaft, Intermediate and Balance Shaft Service ............................... 41 Cylinder Block, Piston and Connecting Rod Assembly Service ....................... 49 Cylinder Head ........................... 26 Cylinder Head and Valve Assembly Service—Except Turbo III ................. 22 Cylinder Head and Valve Assembly Service—Turbo III ...................... 31 Cylinder Head Components—In-Vehicle Service . 23 Engine Assembly ......................... 13 Engine Core Plugs ....................... 55 Engine Lubrication System ................. 56 Engine Mounts .......................... 12 Engine Specifications ...................... 62 General Information ........................ 8 Intermediate Shaft Service .................. 47 Lash Adjuster (Tappet) Noise ............... 37 Oil Filter ............................... 61 Oil Pan ................................ 58 Oil Pump Service ........................ 58 Solid Mount Compressor Bracket Service ...... 14 Timing System and Seals Service— Except Turbo III ........................ 18 Valve Components Replace—Cylinder Head Not Removed .......................... 37 Valve Service—Cylinder Head Removed ....... 27 Valve Springs and Valve Stem Seals ......... 38 

Fig. 1 Engine Identification 

1990 Chrysler LeBaron Service & Repair Manual

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