Specifications of the four-cylinder engine General information Cylinder compression pressure 6 atm (101 psi) minimum Oil pressure (hot at 2000 rpm.) 3.47-4.76 atm (55-70 psi) Cylinder head and valves Maximum...
3.0LV6 engine specifications General information Cylinder compression pressure 6.9 atm (101 psi) minimum Oil pressure (hot at 2000 rpm) 2.72-4.08 atm (40-60 psi) Cylinder head and valves Maximum...
3.8LV6 engine specifications General information Cylinder compression pressure 6.87 atm (101 psi) Oil pressure (hot at 2500 rpm) 2.72-4.08 atm (40-60 psi) Cylinder head and valves Maximum allowable...
General information This part of chapter 2 includes information related to the overhaul of the head (heads) cylinder block internal parts of the engine. The following sections are written...
Cylinder compression test Note: During the test, the normal operating temperature of the engine, the oil level and the full charge of the battery must be ensured. 1. Before removing spark plugs,...
General information about overhaul It is not easy to determine the proper time for a complete engine overhaul, since in this case a number of factors must be taken into account. High mileage doesn't...
Engine — removal and installation Warning: No part of your body should be under the engine when it is on a hoist or other supporting device. Withdrawal 1. On vehicles equipped with air conditioning....
Engine Overhaul — Disassembly Sequence 1. The engine is much easier to disassemble and work with if it is mounted on a portable stand. Note: when removing external parts from the engine, pay close attention...
Dismantling of a head of the block of cylinders 1. Disassembly of the cylinder head includes the removal of the intake and exhaust valves and related components. Unscrew the fastenings of the valve levers, the hinge...
Cylinder heads — cleaning and inspection 1. Thorough head cleaning (wok) cylinder block and remaining valve components, together with a detailed inspection, will help you determine the amount of valve...
Bulkhead of a head of the block of cylinders 1. Install new seals on each rail. Using a hammer, socket or seal installation tool, carefully and completely seat each seal on the guide (see picture). Do not twist or...
Removing and installing flywheel or drive plate Withdrawal 1. Remove the engine ( section 5 ). Remove the clutch and clutch pressure plate. 2 Paint marks on the crankshaft and flywheel or drive plate (see drawing). 3....
Replacement of crankshaft oil seals Front oil seal of a four-cylinder engine Note: This procedure is carried out on a removed engine. Replacing the front oil seals on V6 engines, see chapter 2B . 1. After...
Front cover, camshaft drive chain and sprocket Withdrawal 1. To carry out these works, the engine must be removed ( section 4 ). 2. Remove the oil pan ( see chapter 2A ). 3. Remove the crankshaft pulley ( see section...
Camshaft, balancer shaft and bearings 1. Camshaft wear can be determined by checking the cam lift with the engine not removed ( chapter 2A ). If the camshaft lobe lift is less than the specification, the...
Removing pistons and connecting rods Note: before removing the piston + connecting rod combination, disconnect the head (-And) cylinder block, oil pan and pump, as recommended in the relevant sections of...
Removing the crankshaft Note: The crankshaft can only be removed with the engine removed from the vehicle. It is assumed that the flywheel or drive plate has already been removed vibration...
Cleaning the engine block Note: plugs (also known as soft plugs and freeze plugs» it can be very difficult or even impossible to remove if they are installed in the cooling channels of the unit....
Checking the engine block 1. Before starting to check the block, it should be cleared as described in section 16 . Be sure to remove the tabs at the top of each cylinder at least twice. 2. Check...
Cylinder honing 1. Before assembling the engine, the cylinders should be honed to fit the piston rings tightly and ensure the tightness of the combustion chamber. 2. Before honing the...
Checking pistons and connecting rods 1. Before checking, it is necessary to clean the assembly of pistons with connecting rods and remove the rings from the pistons. Note: When overhauling an engine, always...
Checking the crankshaft 1. Clean crankshaft with solvent and dry with compressed air. Treat oil holes with a stiff brush and rinse with solvent. Check main bearing and connecting rods for wear,...
Checking the main and connecting rod bearings 1. Carefully inspect old bearings, as their condition will tell a lot about the condition of the entire engine (see picture). 21.1. Bearing failure diagnostics. 1...
Engine Assembly Sequence Assemble the engine again in the following sequence: new camshaft bearings (and on engines 3.8LV6 and balance shaft bearings); piston rings; crankshaft and main...
Installation of piston rings 1. Before installing new piston rings, check the piston ring cut clearance. It is assumed that the ring backlash has already been measured and set correctly ( section 19...
Starting and running in the engine after overhaul 1. After installing the engine in the car, check the oil and coolant levels again. 2. Removing the candles and turning off the ignition system ( see section 2 ), turn...