Do you have a question about the AMC 4.0L 243 CID and is the answer not in the manual?
Specifies additions for cylinder head bolt torque for 1987 models.
Provides instructions for the cylinder head bolt tightening sequence.
Lists and describes specialized tools required for engine service.
Lists service set-to and re-check torque specifications for various engine components.
Continues listing torque specifications for various engine components.
Detailed specifications for the 4.0L engine, including general, camshaft, and crankshaft data.
Continues detailed specifications for the 4.0L engine, covering cylinder head, valves, and lubrication.
Detailed specifications for the 4.2L engine, including general, camshaft, and crankshaft data.
Continues detailed specifications for the 4.2L engine, covering cylinder head, valves, and lubrication.
Instructions and diagrams for removing the intake manifold on 4.0L and 4.2L engines.
Instructions and diagrams for removing the exhaust manifold on 4.0L and 4.2L engines.
Details the procedure for removing the cylinder head cover on 4.0L and 4.2L engines.
Step-by-step guide for removing the cylinder head from the engine.
Instructions for removing hydraulic valve tappets using specialized tools.
Steps for removing valves, including spring compression.
Steps for disassembling hydraulic valve tappets and cleaning components.
Explains how to remove the oil pump assembly and its gasket.
Steps for removing connecting rod and piston assemblies.
Instructions for installing crankshaft upper and lower bearing inserts.
Details measuring main bearing-to-journal clearance using Plastigage.
Chart for selecting main bearing inserts based on journal and bore color codes.
Steps for installing connecting rods, including squirt hole orientation.
Details measuring connecting rod bearing-to-journal clearance using Plastigage.
Chart for selecting connecting rod bearing inserts based on journal color codes.
Steps for installing the camshaft, sprockets, and timing chain.
Steps for installing the cylinder head, gasket, and bolts with torque sequence.