Isuzu 4JB1 User Manual

00 – 24 SERVICE INF
ORMATION
3) EXCESSIVE OIL CONSUMPTION
Checkpoi
nt Trouble Cause Countermeasure
Air
breather
R
estricted
Clean
Boos
t compensator
(Injection pump)
Def
ective
Repair
or replace
T
urbocharger oil seal
Leak
age
Replac
e
T
urbocharger oil drain pipe
R
estricted
Clean or
replace
T
urbine wheel
Im
pact damage
Replac
e
Com
pressor wheel
Im
pact damage
Replac
e
O
il pressure
E
xcessive
Repair
Continued on the nex
t page
OKOK
OK
OK
OK
OK
OK
NG
NG
NG
NG
NG
NG
NG

Isuzu 4JB1 Specifications

General

Displacement	2.8 L (2771 cc)
Bore x Stroke	93 mm x 102 mm
Compression Ratio	18.4:1
Fuel System	Indirect Injection
Aspiration	Naturally Aspirated
Cooling System	Water-cooled
Engine Type	Inline 4-cylinder diesel
Max Power	85 hp (63 kW) at 3600 rpm
Valve Train	OHV