Engine Removal and Installation — Early Models 1. Open the hood. 2. Cover both fenders with protective mats. 3. Move the hood to the service position: A) Turn away bolts (1) hood hinges. b) Raise the hood...
Removal and installation of the engine — late models 1. Open the hood. 2. Remove the nut securing the ground cable to the hood stud. Tightening torque 9 Nm. 3. Remove the ground cable from the stud. 4. Pick up...
Engine disassembly Note: Procedures for removing individual parts not covered here are described in the relevant sections above " Car repair ". Ignore the preliminary operations...
Cylinder block — check Note: Do not use caustic soda to clean an aluminum alloy cylinder block. Attention: when washing the unit in a thermal bath, do not exceed the temperature of...
Cylinder boring and honing 1. Before boring, measure the diameters of the NEW pistons to determine the bore diameter of the cylinder. The piston diameter is measured at a distance of 43...
Crankshaft — check Attention: when repairing the crankshaft, be careful. Avoid damage to the running surfaces of the crankpins, main journals or timing ring teeth (1) crankshaft...
Crankshaft pulley — washing and checking 1. Wash the crankshaft pulley with solvent. 2. Use a wire brush to clean the grooves of the pulley under the accessory drive belt. 3. Dry the crankshaft pulley...
Automatic transmission clutch — washing and checking 1. Wash the automatic transmission clutch with solvent. 2. Dry the coupling with compressed air. 3. Check the condition of the ring gear teeth (1). 4. Check...
Piston, connecting rod and connecting rod bearing Disassembly Piston pin floating type 1. Remove the connecting rod cap and remove the connecting rod bearing shells. 2. Using a piston ring remover, remove the...
Replacing camshaft bearings Note: The loss of tension in the installation of camshaft bearings is mainly determined by a change in the geometry of the bearing beds in the cylinder block....
Camshaft — washing and checking 1. Wash the shaft with solvent. 2. Dry the shaft with compressed air. 3. Check the condition of the necks (1) shaft, look for signs of scuffing or excessive...
Timing chain and sprockets — washing and checking 1. Clean chain and sprockets with solvent. 2. Dry parts with compressed air. 3. Check the timing chain (1) for bending or wear. 4. Check the condition of the...
Coupling system variable valve timing Caution: Read the precautions for removing and installing the coupling in this chapter. 1. Secure the coupling with a plastic tie (1), if you haven't already...
Solenoid valve for variable valve timing Caution: Do not apply 12 V voltage to the solenoid valve from a self-contained power source. 1. Inspect the valve, look for: damage to the wiring connector;...
Valve for variable valve timing Attention: it is not recommended to reinstall the valve, always install a new valve after removal. The test procedure described below is for diagnostic...
Rocker arms and push rods — washing and checking Attention: parts that can be used again must be marked so that they can be installed in the old place. 1. Wash parts with solvent. 2. Dry parts with compressed...
Pushers and their guides — washing and checking Attention: parts that can be used again must be marked so that they can be installed in the old place. Conventional pushers 1. Wash parts with solvent. 2. Dry...
Cylinder head — disassembly Attention: mark the parts so that they can be put in the old places, do not confuse the parts of different kits. 1. Turn out spark plugs. 2. Using a valve...
Cylinder head — check Attention: when washing the cylinder head in an oven, do not allow the temperature to rise above 200°C. when cleaning, do not scratch the walls of the...
Checking valves, valve guides and valve seats Note: Excessive clearance between the stem and valve guide can cause noise in the valve train, premature wear of the valve stem seal and consequently increased...
Valve and valve seat reconditioning Reconditioning of the valve and valve seat is carried out by conventional methods on available equipment. Attention: never restore the locking chamfer of the...
Cylinder Head — Assembly 1. Clean the valve spring shim installation area. Attention: install the valves in their original places. 2. Install valves (228). 3. Install the oil seal...
Oil pump — disassembly and assembly 1. Remove the bolts (408) fixing the oil pump cover. Tightening torque 12 Nm. 2. Remove the cover (409) oil pump. Attention: mark the relative position of the...
Oil collector (since 2007 of release) — check Attention: do not allow dirt to enter the oil channels of the manifold. do not remove electrical components from the manifold. do not immerse electrical...
Intake manifold — check 1. Remove and discard gasket (514) intake manifold. 2. Remove the absolute air pressure sensor (714). 3. Remove the solenoid valve for cleaning the fuel vapor...
Exhaust manifold — check Caution: Do not reinstall the exhaust manifold gasket. An improperly installed or poorly sealed gasket can affect the operation of the OBD II system. 1. Clean...
Engine assembly Note: Installation procedures for individual parts not covered here are described above in the relevant sections. Ignore the final operations that are...
Engine Repair Specifications General information Engine type - V8 Working volume: LM7, L59 - 5.3 L LGM, LY5, LC9 - 5.3 l LQ9, LQ4, L76, LY6 - 6.0 L L92 - 6.2 l Cylinder diameter: L59, LM7...