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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Nissan Maxima QX (1993 release)

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Nissan Maxima QX
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Nissan
Maxima QX
Introduction
Operating Instructions
Adjustment and routine maintenance
Engine
Engines SOHC
Engines DOHC
Total engine overhaul
general information
Checking oil pressure
Check the compression pressure in the cylinders
Diagnostics of the engine with vacuum gauge application
Alternative variants of schemes of regenerative repair of the engine
Removal of the power unit from the car - preparation and precautions
Removing and installing engine
An order of dismantling of the engine by its preparation for major repairs
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 status of the unit
Honing of cylinder bores
Checking the components connecting rod and piston group
Checking the status of the crankshaft
Check and selection of loose leaves main and connecting rod bearings of the crankshaft
Checking the camshafts, valve tappets and bearings
The order of assembly of the engine
Installation of the piston rings
Installation of a cranked shaft and check of working backlashes of radical bearings
Installing the crankshaft rear oil seal
Installing the connecting rod and piston assemblages and check of size of working backlashes in connecting rod bearings of the crankshaft
Test run and running the engine after major repairs
System of cooling, heating
The power supply system and release
Electric motor
Engine Control Systems
Transmission
Coupling and power shafts
Brakes
Suspension and steering
Body
Onboard electric
 


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Test run and running the engine after major repairs



When first starting the engine after completing its reconditioning hand it is obligatory to have a fire extinguisher class B!


PERFORMANCE ORDER

1. After installing the power unit on the vehicle, check the level of the motor oil and coolant in it.
2. At the turned out candles and temporarily disable the ignition and power (see. Section Checking compression pressure in the cylinder), turn the engine, raising the pressure of oil in it so that was triggering the appropriate warning lamp on the dashboard of the car.
3. Replace the spark plugs, plug wires, explosives and restore the functioning of the ignition system and power supply (see. Section Checking compression pressure in the cylinders).
4. Start the engine. Running can occur after a short delay, necessary for lifting the fuel pressure, but no special difficulties should arise.

In the event of outbreaks in the throttle case check the valve clearance adjustment and ignition timing.

5. After starting the engine should be warmed up to normal operating temperature is warming up, check for signs of oil leaks, coolant and ATF. Run the engine for 15 minutes to idle, which is especially important after replacing the connecting rod bearing.
6. Stop the engine and recheck the oil levels and the coolant in it.
7. Now you are ready for sea trials and running the engine. Bring the vehicle to the area where the intensity of traffic is minimal and rapidly disperse it to a speed of 50 ÷ 80 km / h (30 ÷ 50 miles / h). Then reset the speed to 50 km / h, completely closing the throttle for that. Repeat 10 ÷ 12 time - resulting cyclic loads help shrink piston rings relative to the walls of the cylinders. Once again, check the engine for leaks.
8. The first 800 km (500 miles), try to operate the engine in the power saving mode, regularly and frequently checking the engine oil level. Increased oil consumption in the engine break-in period is normal.
9. Approximately 800 ÷ 1000 km (500 ÷ 600 miles), change the engine oil and oil filter.
10. The next few hundred kilometers the car can be operated normally.
11. After 3200 km (2000 miles) again, change the engine oil and oil filter. Now the engine can be run-final.





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Installing the connecting rod and piston assemblages and check of size of working backlashes in connecting rod bearings of the crankshaft
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System of cooling, heating

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