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Page Title:
Table 1. Engine Troubleshooting Procedures - continued |
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 TM 9-2320-361-24-1
0008 00
MECHANICAL SYSTEMS TROUBLESHOOTING - DIRECT SUPPORT (Contd)
Table 1. Engine Troubleshooting Procedures (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. If one or more cylinders have
Repair or replace defective
11. EXHAUST COLOR
an 810% or greater loss in
components (WP 0027 00 and
BLUE DURING
both wet and dry tests then
TM 9-2815-210-34-2-2).
NORMAL
compression loss is on top of
OPERATION
engine. Remove head(s) and
(Contd)
inspect valves, valve seats
and guides, and cylinder
head gasket(s).
4. If steps 2 and/or 3 do not
Repair or replace defective parts
sufficiently restore engine to
normal operation, remove
TM 9-2815-210-34-2-2).
rocker arm covers
camshaft, tappets, and
pushrod defects.
5. If compression test readings
Remove cylinder head (WP 0027 00)
are within limits for all
and replace valve seals and guides
cylinders and engine
(WP 0443 00).
develops normal power but
still shows blue exhaust.
Test 3. Perform engine oil
consumption test.
1. Operate vehicle and closely
1. If engine oil consumption remains
check engine oil level unit
less than 60 mi. (96 km) for one
until oil level reaches one
quart of oil, check all seals.
quart low. Stop vehicle
operation.
2. If there are no leaks, proceed to
step 3 of test 3.
2. Record vehicle mileage.
1. If engine oil consumption remains
Calculate engine oil
less than 60 mi (96 km) for one
consumption by subtracting
quart of oil, check all seals.
mileage when engine oil level
was topped off from current
2. If engine oil consumption is
mileage recorded when
greater than or equal to 60 mi
engine oil level is one quart
(96 km) for one quart of oil, oil
low. The difference is the
consumption is acceptable. No
mileage using one quart of
further action required.
oil.
3. Repeat steps 1 and 2 of
1. If engine oil consumption remains
engine oil consumption test.
less than 60 mi (96 km) for one
If oil consumption is not
quart of oil, check all seals.
acceptable.
2. If engine oil consumption is
greater than or equal to 60 mi
(96 km) for one quart of oil, oil
consumption is acceptable. No
0008 00-7
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