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

general info. full specifications. diagnostics. hints. tips. tricks
Nissan Primera
Home
 
Nissan
Primera
Introduction
Routine maintenance and servicing
Engine
Cooling and heating
The power supply system and exhaust
The power supply system of carburettor engines
The power supply system injection engines
Exhaust
Electrical system motor
Manual transmission, differential and the main transfer
Automatic Transmission
Coupling and power shafts
Brakes
Suspension and steering
Body
Onboard electric
Applications
 


Hit Counter by Digits


print page printable version

The power supply system and exhaust



Specifications

Separate characteristics are resulted also in the text of the Head and in case of compulsion of their performance are highlighted in bold.

Injection engine

Engine SR20DE

Pressure regulator
  • The fuel pressure at idle speed:
    • vacuum hose connected
2.5 bar
    • vacuum hose off
3.0 bar
  • Idle (not adjustable)
    • air conditioning is turned off
850 ? 50 rev / min
    • with the air conditioner
850 ? 50 rev / min
Air flow meter
  • Electrical power
battery voltage, from 11 to 14
Coolant temperature:
  • at 20 ? C
resistance of 2.1 - 2.9 kW
  • at 50 ? C
Resistance 0.68 - 1.00 kW
  • at 80 ? C
Resistance 0.30 - 0.33 kW
Various data
  • The resistance of the fuel pump
about 0.7 ohms
  • The resistance of the valve of additional air
about 10.0 ohms
  • The resistance of the injection valve
10-14 ohms
  • The resistance of the throttle position sensor:
    • the gas pedal is released
about 2 ohms
    • pedal partially released
from 2 to 11 kW
    • pedal depressed
about 11.0 ohms

Engine SR20Di

Pressure regulator
The fuel pressure at idle speed:
vacuum hose connected 2.5 bar
vacuum hose off 2.5 bar
Idle (not adjustable)
without air conditioning 850 ? 50 rev / min
with the air conditioner 850 ? 50 rev / min
Air flow meter
Electrical power battery voltage, from 11 to 14
Output voltage 1.4-1.9 V, the engine is warm, idling
Coolant temperature cm. The engine SR20DE
Various data
The resistance of the fuel pump about 0.7 ohms
The resistance of the valve of additional air about 10.0 ohms
The resistance of the injection valve 1-2 Ohms
The resistance of the throttle position sensor:
the gas pedal is released about 1 ohm
pedal partially released from 1 to 9 kW
pedal depressed about 9.0 kW

Carbureted engines

Fuel pump:
  • Design
mechanical diaphragm pump
Feed pressure 0.21 - 0.35 bar
The number and design of the carburettor 1 two-chamber carburettor
These carburettor
  • Type of carburetor:
    • without catalyst
21L 304-05
    • catalyst
21L304-06

The diameter of the jets - without catalyst 1st Camera 2nd camera
carb hole 30.0 mm 34.0 mm
diameter air diffuser 22.0 mm 30.0 mm
main jet Number 100 Number 135
air correction jet Number 80 Number 60
jet of idling Number 40 Number 80
air jet idling 80 80

high power jet Number 55
level float cm.
Adjustment of fast idling (starting valve clearance) Mm 0.63 ? 0.07
fast idling 2300 ? 200 rev / min
idle speed 750 ? 200 rev / min
CO 1.5% ? 0.5%

These carburettor - engine with a catalyst 1st Camera 2nd camera
carb hole see above see above
diameter air diffuser see above see above
main jet Number 92 Number 135
air correction jet Number 70 Number 60
jet of idling Number 50 Number 80
air jet idling Number 80 Number 80
high power jet -
level float cm.
Adjustment of fast idling as the absence of a catalyst
fast idling as the absence of a catalyst
idle speed as the absence of a catalyst
CO 1.0% ? 0.5%

Efforts of a tightening of carving connections

Fastener tightening torques are given in the text of the Head and on some graphics *.

* Highlighted text in bold torques are subject to exact observance; no bold efforts resulted only roughly.





« previos page
Thermostat
next page »
The power supply system of carburettor engines

Copyright © 2010 AutoManuals.biz. Trademarks belong to their respective owners. All rights reserved.