Downloaded from www.Manualslib.com manuals search engine ENGINE FUEL 6C-1
6F1
7A
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6G
6C
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SECTION 6C
ENGINE FUEL
CONTENTS
General Description ....................................... 6C-2
Fuel System ................................................. 6C-2
Fuel Tank ..................................................... 6C-2
Fuel Pump Assembly ................................... 6C-3
Fuel Filler Cap .............................................. 6C-3
On-Vehicle Service......................................... 6C-4Fuel Lines .................................................... 6C-4
Fuel Filler Cap.............................................. 6C-4
Fuel Tank ..................................................... 6C-4
Fuel Pump Assembly ................................... 6C-7
Tightening Torque Specification ................ 6C-10
Special Tool .................................................. 6C-10
CAUTION:
For vehicles with a catalytic converter, be sure to use unleaded fuel only. Use of leaded and/or low
lead fuel can result in engine damage and reduce the effectiveness of the emission control system.
Downloaded from www.Manualslib.com manuals search engine 6C-4 ENGINE FUEL
On-Vehicle Service
Before work, refer to “Precaution on Fuel System Service” in Sec-
tion 6.
Fuel Lines
Due to the fact that fuel feed line is under high pressure, use spe-
cial care when servicing it.
INSPECTION
Visually inspect fuel lines for evidence of fuel leakage, hose crack
and deterioration, or damage. Make sure all clamps are secure.
Replace parts as needed.
Fuel Filler Cap
Remove cap (1) and check gasket (2) for even filler neck imprint
and deterioration or any damage. If gasket is in malcondition,
replace cap.
Fuel Tank
REMOVAL
1) Relieve fuel pressure in fuel feed line referring to “Fuel Pres-
sure Relief Procedure” in Section 6.
2) Disconnect negative cable at battery.
3) Remove fuel filler cap.
NOTE:
If cap requires replacement, only a cap with the same fea-
tures should be used. Failure to use correct cap can
result in critical malfunction of system.
WARNING:
Before starting the following procedure, be sure to
observe “Precaution on Fuel System Service” in Sec-
tion 6.
Keep fuel tank horizontally and stably when removing
it. Fuel may come out if tank is tilted. Also, fuel tank
may drop and cause personal injury.
Downloaded from www.Manualslib.com manuals search engine 6H-8 CHARGING SYSTEM
UNDERCHARGED BATTERY
This condition, as evidenced by slow cranking or indicator clear
with red dot can be caused by one or more of the following condi-
tions even though indicator lamp may be operating normal.
Following procedure also applies to cars with voltmeter and
ammeter.
1) Make sure that undercharged condition has not been caused
by accessories left on for extended period of time.
2) Check drive belt for proper tension.
3) If battery defect is suspected, refer to BATTERY section.
4) Inspect wiring for defects. Check all connections for tight-
ness and cleanliness, battery cable connections at battery,
starting motor and ignition ground cable.
5) Connect voltmeter and ammeter as shown in the figure.
6) Measure current and voltage.
No-load Check
1) Run engine from idling up to 2,000 rpm and read meters.
Standard current
10 A maximum
Standard voltage
14.4 – 15.0 V (at 20 °C, 68 °F)
Higher Voltage
If voltage is higher than standard value, check ground of brushes.
If brushes are not grounded, replace IC regulator.
Lower Voltage
If voltage is below or in standard value, increase engine speed up
to 2,000 – 2,500 rpm soon after starting engine, and read maxi-
mum value on ammeter immediately.
If current is less than 49 A, repair or replace generator.NOTE:
Use fully charged battery.
1. Generator
2. Ammeter (between generator (B) terminal and battery (+) terminal)
3. Voltmeter (between generator (B) terminal and ground)
4. Battery
5. Load
6. Switch
NOTE:
Turn off switches of all accessories (wiper, heater etc.).
NOTE:
Consideration should be taken that voltage will differ
somewhat with regulator case temperature as shown in
the graph.
