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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Jeep Grand Cherokee (from 1993 to 1999, the year of issue)

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Jeep Grand Cherokee
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Jeep
Grand Cherokee
Introduction
Adjustment and routine maintenance
The straight six-cylinder engine
The V8 engine
Procedure of the general and engine major repairs
general information
Overhaul of the engine - the general information
Check the compression pressure in the cylinders
Diagnostic Tests produced using gauge
Methods for removal of the engine and the necessary precautions
Removing and installing engine
Recovery Options Engine
An order of dismantling of the engine
Dismantling of a head of cylinders
Cleaning and checking the status of a head of cylinders
Service valves
Assembling the cylinder head
Removing the connecting rod and piston assembly
Removing the crankshaft
Cleaning the engine block
Checking the engine block
Honing cylinders
Checking the connecting rod and piston assembly
Checking the status of the crankshaft
:20. Checking the main and connecting rod bearings
The order of assembly of the engine after completing its overhaul
Installation of a cranked shaft and check of backlashes of radical bearings
Installation of the piston rings
Installing the connecting rod and piston assembly and check of backlashes in the connecting rod bearing
The first start of the engine after major repairs
Systems of cooling, heating and air conditioning
The power supply system and exhaust
The system of electric motor
Systems of decrease in toxicity of the fulfilled gases and engine management
Manual box of a gear change
Automatic Transmission
Transfer Case
Clutch and transmission line
Brakes
Suspension and steering
Body
The system of on-board electrical equipment
Controls and operation receptions
 


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Recovery Options Engine



At independent performance of procedures of major repairs of the engine mechanic-fan will face the possibility of implementing it in several different ways. The first of the criteria by which determined the need for replacement of an engine block, connecting rod and piston assembly and the crankshaft is the state of the cylinder. Among other factors include material costs, access to machinery equipment, the definition of the list of necessary spare parts and the possibility of their acquisition. Moreover, the necessary condition is the presence of free time and expertise of independent performance of mechanical work.

The cost of the following alternatives to engine overhaul may vary depending on the quality of purchased parts, a broad spectrum of necessary machining and quality required to perform the procedures of special tools and equipment. Many repair shops in addition to the repair of the individual components are taken for the implementation of the complete assembly of the engine (with the installation of a full or abbreviated dialing). Consult in nearby garages on the spectrum of their work and their prices.

The main engine of the recovery options are:

Replacing individual components - If the preliminary analysis of the engine revealed that the engine block and most of the engine components are fit for further use condition, the acquisition and installation of a single defective component can be the most reasonable and economical way out. In this condition of the block, crankshaft and connecting rod and piston assembly must be checked very carefully. Even with the slight degree of wear in the block should be made mandatory honing cylinders.

Setting Abbreviated Dialing unit - Abridged set consists of the complete engine with the crankshaft and connecting rod and piston assembly. This should be a new set bearings and exhibited all gaps. In such a block after a minor (if required) machining set the old camshaft, valve train components, the head (s) of cylinders and hinged units.

Setting of the full set of unit - full set includes a reduced set, plus the oil pump, an oil pan, head (s) of the cylinder cover (s) of the head, camshaft and valve train components, electrical sprocket with chain or gear and timing cover (chains). All components are mounted with new bearings, seals and gaskets, and all you need to do is install the intake manifold, exhaust manifold (s) and ancillaries.

Carefully weigh the pros and cons when you select the recovery engine, consult your local dealer or service center shop office and only then proceed to purchase the necessary spare parts.





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An order of dismantling of the engine

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