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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Nissan Primera (from 1990 to 1992, the year of issue)

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Nissan Primera
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Primera
Introduction
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Removing and installing engine
Disassembly of the engine
Build Engine
The cylinder head and the timing
The pistons and connecting rods
Crankshaft and crankshaft bearings
Cylinder block
Compression Test
Engine lubrication system - general information
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Compression Test



If it is assumed that the cylinder does not create the required pressure can be checked using the compression tester. To check, unscrew the spark plug, plug in the corresponding hole compressometer candles and turn on the starter. The indicator provides a compression device. Due to this detected leaking valves, pistons and piston rings. If the engine is still fairly new, a compression must lie within the range of the Specifications.

Determine the limits of wear should not be discounted. If the compression is low, you should consider installing another engine or repair. Also very important one cylinder has insufficient compression or anything. If, for instance, compression in one cylinder is different by 1.0 bar, it may be that the cylinder valve stuck and requires repair only the cylinder head, ie. E. Valves. It may also be that lay piston rings and gases along the piston goes into the crankcase. If adding a small amount of oil in the compression cylinder is improved, it is a sign of wear of the piston rings. When uniform compression loss in most cases worn cylinders.





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