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LP Engine G430(3.0L) Base Engine Service Procedure
4. Remove the drive gear (2) and the driven gear (1)
Matchmark the gear teeth for assembly.
5. Remove the following items:
• The retaining pin (1).
• The Pressure relief valve spring (3).
• The pressure relief valve (2).
Oil Pump Clean and Inspect
IMPORTANT : The internal parts of the oil pump are
not serviced separately. If the oil pump components
are worn or damaged, replace the oil pump as an
assembly.
The oil pump pipe and screen are to be serviced as an
assembly.
Do not attempt to repair the wire mesh portion of the
pipe and screen assembly.
1. Clean all of the parts in cleaning solvent.
CAUTION : Wear safety glasses in order to avoid eye
damage.
2. Dry the parts with compressed air.
3. Inspect the following areas:
• The oil pump housing and cover for cracks, scoring,
casting imperfections and damaged threads.
• The drive gear shaft (If the shaft is loose in the oil
pump housing, replace the oil pump).
• The pressure relief valve for scoring and sticking
(Burrs may be removed with a fine oil stone).
• The pressure relief valve spring for loss of tension.
• The oil pump screen for broken wire mesh or
looseness (If the pipe is loose or has been removed
from the screen, the oil pump screen must be
replaced).
• The gears for chipping, galling and wear.
IMPORTANT: If the drive gear and driveshaft are
worn, replace the entire oil pump.
• The drive gear and driveshaft for looseness and
wear.
VE086-3L
VE085-3L
VE084-3L
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