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Isuzu 4JB1 User Manual

Isuzu 4JB1
60 pages
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00 – 26 SERVICE INF
ORMATION
4) EXCESSIVE TURBOCHARGER NOISE
Checkpoi
nt Trouble Cause Countermeasure
Intak
e and exhaust
system joints
R
estricted
Repair
Intak
e and exhaust system
gaskets
Dam
aged
Replac
e
T
urbocharger rotating parts
Rough r
otation
Replac
e
Rubbing agains
t housing
Repair
or replace
Dam
aged
Replac
e
Rubbing agains
t housing
Repair
or replace
Dam
aged
Replac
e
Continued on the nex
t page
OKOK
OK
OK
NG
NG
NG
NG
NG
NG
NG
Com
pressor wheel
T
urbine wheel
Car
bon deposits
Clean or
replace
NG

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Isuzu 4JB1 Specifications

General IconGeneral
Displacement2.8 L (2771 cc)
Bore x Stroke93 mm x 102 mm
Compression Ratio18.4:1
Fuel SystemIndirect Injection
AspirationNaturally Aspirated
Cooling SystemWater-cooled
Engine TypeInline 4-cylinder diesel
Max Power85 hp (63 kW) at 3600 rpm
Valve TrainOHV

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