1998 OPEL FRONTERA battery

6E–302
ENGINE DRIVEABILITY AND EMISSIONS
2. Connect the TP electrical connector.
3. Install the negative battery cable.
Vehicle Speed Sensor (VSS)
Removal Procedure
CAUTION: The VSS is located on the right side of
the transfer case just ahead of the rear propeller
shaft and very close to the exhaust pipes. Be sure
that the exhaust pipes are cool enough to touch
before trying to remove the VSS. If the pipes are hot,
you could be burned.
1. Disconnect the negative battery cable.
2. Disconnect the VSS electrical connector.
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3. Remove the bolt and the clamp securing the VSS in
place.
IMPORTANT:H a v e a c o n t a i n e r r e a d y t o c a t c h a n y f l u i d
that leaks out when the VSS is removed from the transfer
case.
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4. Remove the VSS from the transfer case by wiggling it
slightly and pulling it straight out.
Inspection Procedure
1. Inspect the electrical connector for signs of corrosion
or warping. Replace the VSS if the electrical
connector is corroded or warped.
2. Inspect the VSS driven gear for chips, breaks, or worn
condition. Replace the VSS if the driven gear is
chipped, broken or worn.
3. Inspect the O-ring for wear, nicks, tears, or
looseness. Replace the O-ring if necessary.
Installation Procedure
1. Install the VSS in the transfer case with the notch for
the connector facing the rear.
2. Secure the VSS in place with the clamp and the bolt.
Tighten
Tighten the bolt to 16 Nꞏm (12 lb ft.).
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3. Connect the VSS electrical connector.
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6E–303 ENGINE DRIVEABILITY AND EMISSIONS
4. Check the transfer case oil level. Add fluid if
necessary.
5. Connect the negative battery cable.
Air Cleaner/Air Filter
Removal Procedure
1. Loosen the clamp between the air cleaner lid and the
mass air flow sensor.
2. Release the four latches securing the lid to the air
cleaner housing.
3. Remove the air cleaner lid.
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4. Remove the air filter element.
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5. Remove the retaining bolts and the air cleaner
housing from the vehicle.
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Installation Procedure
1. Install the air cleaner housing in the vehicle with the
retaining bolts.
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6E–304
ENGINE DRIVEABILITY AND EMISSIONS
2. Install the air filter element in the air cleaner housing.
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3. Install the air cleaner lid on the MAF sensor and the air
cleaner housing.
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4. Tighten the clamp and secure the four latches
between the lid and the air cleaner housing.
Idle Air Control (IAC) Valve
Removal Procedure
1. Disconnect the negative battery cable.
2. Disconnect the IAC electrical connector.
3. Remove the bolts and the IAC valve from the throttle
body.
NOTE: Do not clean the IAC valve by soaking it in
solvent. The valve will be damaged as a result.
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Cleaning, Inspection, and
Measurement Procedure
Clean the IAC valve O-ring sealing surface, pintle
valve seat and air passage.
– Use carburetor cleaner and a parts cleaning brush to
remove carbon deposits. Do not use a cleaner that
contains methyl ethyl ketone. This is an extremely
strong solvent and not necessary for this type of
deposit.
– Shiny spots on the pintle are normal and do not
indicate misalignment or a bent pintle shaft.
– If the air passage has heavy deposits, remove the
throttle body for complete cleaning.
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Inspect the IAC valve O-ring for cuts, cracks, or
distortion. Replace the O-ring if damaged.

6E–305 ENGINE DRIVEABILITY AND EMISSIONS
In order to install a new IAC valve, measure the
distance between the tip of the pintle and the
mounting flange. If that measurement is 28 mm (1.1
in.) or less, the valve needs no adjustment. If the
measurement is greater than 28 mm (1.1 in.), apply
finger pressure and retract the valve. The force
required to retract the pintle on a new valve will not
damage the valve, shaft, or pintle.
NOTE: Do not push or pull on the IAC valve pintle on IAC
valves that have been in service. The force required to
move the pintle may damage it.
IMPORTANT:Use an identical replacement part in
order to replace a valve. IAC valve pintle shape and
diameter are designed for the specific application.
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Installation Procedure
1. Install the IAC valve on the throttle body with the bolts.
Tighten
Tighten the bolts to 1 Nꞏm (9 lb in.).
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2. Connect the IAC valve electrical connector.
3. Install the negative battery cable.
Common Chamber
Removal and Installation Procedure
Refer to Common Chamber in Engine Mechanical.
Accelerator Cable Assembly
Removal Procedure
1. Remove the engine cover.
2. Loosen the adjusting nut on the cable bracket
mounting on the common chamber.
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3. Remove the accelerator control cable (on the throttle
valve end).
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6E–310
ENGINE DRIVEABILITY AND EMISSIONS
Pedal Stroke Adjustment Procedure
1. Loosen the jam nut and rotate the kick-down switch
counterclockwise.
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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.
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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.
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Inspection Procedure
NOTE: Replace the fuel filler cap with the same type of
filler cap that was originally installed on the vehicle.
Check the seal ring in the filler cap for any abnormality
and for seal condition.
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.
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6E–312
ENGINE DRIVEABILITY AND EMISSIONS
Installation Procedure
1. Install the fuel filter in the correct direction.
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2. Install the bolt on the fuel filter holder.
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3. Connect the fuel line on the engine side.
4. Connect the fuel line on the fuel tank side.
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5. Install the fuel filler cap.
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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
Tighten the drain plug to 20 Nꞏm (14 lb ft.).
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4. Disconnect the wiring connector from the fuel gauge
unit.
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5. Remove the fuel gauge unit retaining screws.
6. Remove the fuel gauge unit.
Cover or plug the fuel tank to prevent dust, dirt, or
debris from entering the tank.
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Installation Procedure
1. Install the fuel gauge unit.
2. Install the fuel gauge unit retaining screws.
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6E–314
ENGINE DRIVEABILITY AND EMISSIONS
3. Connect the wiring connector to the fuel gauge unit.
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4. Fill the fuel tank with fuel.
Tighten the fuel filler cap.
Check for leaks at the fuel gauge unit gasket.
5. Connect the negative battery cable.
Fuel Injectors
Removal Procedure
NOTE: If the fuel injectors are leaking, the engine oil may
be contaminated with fuel. Check the oil for signs of
contamination and change the oil and the filter if
necessary.
NOTE: Use care in removing the fuel injectors in order to
prevent damage to the fuel injector electrical connector
pins or the fuel injector nozzles. The fuel injector is an
electrical component and should not be immersed in any
type of cleaner as this may damage the fuel injector.
IMPORTANT:Fuel injectors are serviced as a complete
assembly only.
1. Disconnect the negative battery cable.
2. Remove the upper intake manifold. Refer to
Common Chamber in Engine Mechanical..
3. Remove the fuel rail. Refer to
Fuel Rail.
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4. Remove the injector retainer clip.
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5. Remove the fuel injector assembly.
6. Remove the O-ring from the fuel injector.
7. Remove the O-ring backup from the fuel injector .
Inspection Procedure
1. Inspect the O-rings for cracks or leaks.
2. Replace worn or damaged O-rings.
3. Lubricate the new O-rings with engine oil before
installation.