Inspect Acceleration Pedal Operation; Check Coolant Level; Inspect Coolant Hoses; Inspect Battery System - Daewoo G420E Service Manual

Inspect Acceleration Pedal
Operation
Verify Acceleration Pedal travel is smooth
without sticking.

Check Coolant Level

The items below are a general guideline for
system checks. Refer to the engine
manufacturers specific recommendations for
proper procedures.
Engine must be off and cold.
WARNING
NEVER REMOVE THE PRESSURE CAP
ON A HOT ENGINE.
The coolant level should be equal to the "COLD"
mark on the coolant recovery tank.
Add approve coolant to the specified level if the
system is low.

Inspect Coolant Hoses

Visually inspect coolant hoses and clamps.
Remember to check the two coolant lines that
connect to the pressure regulator/converter.
Replace any hose that shows signs of swelling,
cracking, abrasion or deterioration.

Inspect Battery System

Clean battery outer surfaces with a mixture of
baking soda and water.
Inspect battery outer surfaces for damage and
replace as necessary.
Remove battery cable and clean, repair and/or
replace as necessary.
Tier
G420E/G424E LP Engine

Inspect Ignition System

Disconnect Battery Cables.
Remove and inspect the spark plugs. Replace as
required.
Test secondary cables with an Ohmmeter. If
maximum resistance is higher than 25 kOhms,
repair and/or replace.
Remove distributor cap and perform visual
inspection. Replace cap and rotor if corrosion is
found on the contacts.
Inspect the ignition coil for cracks and heat
deterioration. Visually inspect the coil heat sink
fins. If any fins are broken replace as required.
2
Figure 31
(1) Spark Plug Cables (2) Distributor Cap

Replace Spark Plugs

Disconnect Battery Cables.
Using a gentle twisting motion remove the high
voltage cables from the spark plugs. Replace
any damaged cables.
Remove the spark plugs.
Gap the new spark plugs to the proper
specifications.
Spark plug air gap : 0.7 - 0.8 mm
Apply anti-seize compound to the spark plug
threads and install.
Spark plug tightening torque : 25 N•m (18 lb•ft)
CAUTION
DO NOT OVERTIGHTEN THE SPARK
PLUGS.
Re-install the high voltage cables.
31
1
Maintenance Schedule