Opel Frontera UBS. Service manual — part 1236
6E–310
ENGINE DRIVEABILITY AND EMISSIONS
Pedal Stroke Adjustment Procedure
1. Loosen the jam nut and rotate the kick-down switch
counterclockwise.
TS24039
2. Fully depress the pedal and hold it by hand. Rotate
the switch clockwise until the switch clicks.
3. Rotate the switch 1/2 turn further and lock it in this
position by tightening the jam nut.
TS24040
4. Step on the accelerator pedal and make sure there is
a clicking sound at the full-stroke position.
Fuel Filter Cap
General Description
The fuel filler cap includes a vacuum valve and a pressure
valve.
If high vacuum or high pressure occurs in the fuel tank,
each valve works to adjust the pressure in order to
prevent damage to the tank at the EGR valve.
TS23767
Inspection Procedure
NOTE: Replace the fuel filler cap with the same type of
filler cap that was originally installed on the vehicle.
D
Check the seal ring in the filler cap for any abnormality
and for seal condition.
D
Replace the filler cap if any abnormality is found.
Fuel Filter
Removal Procedure
1. Disconnect the negative battery cable.
2. Remove the fuel filler cap.
041RW005
6E–311
ENGINE DRIVEABILITY AND EMISSIONS
3. Disconnect the fuel line from the fuel filter on the
engine side.
4. Disconnect the fuel line from the fuel filter on the fuel
tank side.
041RW006
5. Remove the bolt on the fuel filter holder.
041RW007
6. Remove the fuel filter.
041RW008
Inspection Procedure
1. Replace the fuel filter when the following occur:
D
Fuel leaks from the fuel filter body.
D
The fuel filter body is damaged.
D
The fuel filter is clogged with dirt or sediment.
2. If the drain hole is clogged, clean the drain.
041RW009
6E–312
ENGINE DRIVEABILITY AND EMISSIONS
Installation Procedure
1. Install the fuel filter in the correct direction.
041RW008
2. Install the bolt on the fuel filter holder.
041RW007
3. Connect the fuel line on the engine side.
4. Connect the fuel line on the fuel tank side.
041RW006
5. Install the fuel filler cap.
041RW005
6. Connect the negative battery cable.
6E–313
ENGINE DRIVEABILITY AND EMISSIONS
Fuel Gauge Unit
Removal Procedure
1. Disconnect the negative battery cable.
2. Loosen the fuel filler cap.
3. Drain the fuel from the tank.
Tighten
D
Tighten the drain plug to 20 N·m (14 lb ft.).
TS22907
4. Disconnect the wiring connector from the fuel gauge
unit.
TS23771
5. Remove the fuel gauge unit retaining screws.
6. Remove the fuel gauge unit.
D
Cover or plug the fuel tank to prevent dust, dirt, or
debris from entering the tank.
TS22911
Installation Procedure
1. Install the fuel gauge unit.
2. Install the fuel gauge unit retaining screws.
TS22911
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